/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 15:52:25,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 15:52:25,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 15:52:25,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 15:52:25,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 15:52:25,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 15:52:25,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 15:52:25,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 15:52:25,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 15:52:25,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 15:52:25,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 15:52:25,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 15:52:25,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 15:52:25,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 15:52:25,906 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 15:52:25,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 15:52:25,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-07 15:52:25,925 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Lockstep.epf [2021-06-07 15:52:25,959 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 15:52:25,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 15:52:25,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 15:52:25,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 15:52:25,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 15:52:25,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 15:52:25,962 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 15:52:25,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 15:52:25,963 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 15:52:25,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 15:52:25,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 15:52:25,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 15:52:25,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 15:52:25,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 15:52:25,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 15:52:25,965 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 15:52:25,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 15:52:25,965 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 15:52:25,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 15:52:25,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 15:52:25,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 15:52:25,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 15:52:25,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 15:52:25,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 15:52:25,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 15:52:25,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 15:52:25,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 15:52:25,966 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 15:52:25,967 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 15:52:25,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 15:52:25,967 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 15:52:25,967 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 15:52:25,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 15:52:25,967 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 15:52:25,968 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 15:52:26,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 15:52:26,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 15:52:26,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 15:52:26,287 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 15:52:26,288 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 15:52:26,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr.wvr.bpl [2021-06-07 15:52:26,289 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr.wvr.bpl' [2021-06-07 15:52:26,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 15:52:26,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 15:52:26,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 15:52:26,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 15:52:26,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 15:52:26,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:52:26" (1/1) ... [2021-06-07 15:52:26,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:52:26" (1/1) ... [2021-06-07 15:52:26,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 15:52:26,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 15:52:26,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 15:52:26,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 15:52:26,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:52:26" (1/1) ... [2021-06-07 15:52:26,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:52:26" (1/1) ... [2021-06-07 15:52:26,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:52:26" (1/1) ... [2021-06-07 15:52:26,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:52:26" (1/1) ... [2021-06-07 15:52:26,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:52:26" (1/1) ... [2021-06-07 15:52:26,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:52:26" (1/1) ... [2021-06-07 15:52:26,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:52:26" (1/1) ... [2021-06-07 15:52:26,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 15:52:26,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 15:52:26,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 15:52:26,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 15:52:26,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:52:26" (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 [2021-06-07 15:52:26,437 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 15:52:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 15:52:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 15:52:26,437 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 15:52:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 15:52:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 15:52:26,438 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 15:52:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 15:52:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 15:52:26,439 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 15:52:26,646 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 15:52:26,646 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 15:52:26,648 INFO L202 PluginConnector]: Adding new model nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 03:52:26 BoogieIcfgContainer [2021-06-07 15:52:26,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 15:52:26,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 15:52:26,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 15:52:26,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 15:52:26,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:52:26" (1/2) ... [2021-06-07 15:52:26,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2335aa24 and model type nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 03:52:26, skipping insertion in model container [2021-06-07 15:52:26,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 03:52:26" (2/2) ... [2021-06-07 15:52:26,654 INFO L111 eAbstractionObserver]: Analyzing ICFG nonblocking-cntr.wvr.bpl [2021-06-07 15:52:26,663 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 15:52:26,664 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 15:52:26,664 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 15:52:26,665 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 15:52:26,737 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-07 15:52:26,772 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 15:52:26,905 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 15:52:26,905 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 15:52:26,905 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 15:52:26,905 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 15:52:26,905 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 15:52:26,905 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 15:52:26,906 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 15:52:26,906 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 15:52:27,001 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:27,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:27,008 INFO L82 PathProgramCache]: Analyzing trace with hash -520896393, now seen corresponding path program 1 times [2021-06-07 15:52:27,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:27,016 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043501626] [2021-06-07 15:52:27,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:27,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 15:52:27,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:52:27,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043501626] [2021-06-07 15:52:27,148 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043501626] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 15:52:27,149 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 15:52:27,149 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 15:52:27,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363945805] [2021-06-07 15:52:27,155 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 15:52:27,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:52:27,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 15:52:27,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-07 15:52:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:27,177 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:52:27,179 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2021-06-07 15:52:27,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:27,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:27,227 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 15:52:27,227 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:27,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:27,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1246890361, now seen corresponding path program 1 times [2021-06-07 15:52:27,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:27,228 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555059329] [2021-06-07 15:52:27,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 15:52:27,288 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:52:27,288 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555059329] [2021-06-07 15:52:27,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555059329] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:27,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227848735] [2021-06-07 15:52:27,289 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 [2021-06-07 15:52:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:27,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-07 15:52:27,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:52:27,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 15:52:27,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227848735] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 15:52:27,433 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-07 15:52:27,433 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2021-06-07 15:52:27,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580538453] [2021-06-07 15:52:27,434 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 15:52:27,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:52:27,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 15:52:27,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-06-07 15:52:27,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:27,436 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:52:27,436 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-06-07 15:52:27,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:27,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:27,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:27,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:27,689 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:27,689 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:27,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:27,690 INFO L82 PathProgramCache]: Analyzing trace with hash -25100487, now seen corresponding path program 1 times [2021-06-07 15:52:27,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:27,690 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914410116] [2021-06-07 15:52:27,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:27,846 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-07 15:52:27,846 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:52:27,846 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914410116] [2021-06-07 15:52:27,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914410116] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:27,847 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770064567] [2021-06-07 15:52:27,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:27,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-07 15:52:27,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:52:28,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-07 15:52:28,002 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770064567] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:28,003 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:52:28,003 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 6 [2021-06-07 15:52:28,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943470841] [2021-06-07 15:52:28,004 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-07 15:52:28,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:52:28,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-07 15:52:28,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-07 15:52:28,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:28,006 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:52:28,006 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 15:52:28,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:28,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:28,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:28,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:28,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:28,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:28,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:28,293 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:28,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:28,293 INFO L82 PathProgramCache]: Analyzing trace with hash 816526007, now seen corresponding path program 2 times [2021-06-07 15:52:28,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:28,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613429554] [2021-06-07 15:52:28,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:28,423 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-07 15:52:28,424 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:52:28,424 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613429554] [2021-06-07 15:52:28,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613429554] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:28,427 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340435905] [2021-06-07 15:52:28,427 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:28,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 15:52:28,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 15:52:28,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-07 15:52:28,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:52:28,797 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 15:52:28,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340435905] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:28,797 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:52:28,798 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 19 [2021-06-07 15:52:28,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249018306] [2021-06-07 15:52:28,799 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-07 15:52:28,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:52:28,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-07 15:52:28,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-07 15:52:28,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:28,809 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:52:28,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.15) internal successors, (43), 19 states have internal predecessors, (43), 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) [2021-06-07 15:52:28,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:28,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:28,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:28,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:29,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:29,388 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:29,389 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:29,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:29,389 INFO L82 PathProgramCache]: Analyzing trace with hash 48687545, now seen corresponding path program 3 times [2021-06-07 15:52:29,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:29,389 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929253446] [2021-06-07 15:52:29,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 15:52:29,573 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:52:29,573 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929253446] [2021-06-07 15:52:29,573 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929253446] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:29,573 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111955288] [2021-06-07 15:52:29,573 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:29,605 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-07 15:52:29,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 15:52:29,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-07 15:52:29,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:52:29,896 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 15:52:29,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111955288] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:29,897 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:52:29,897 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2021-06-07 15:52:29,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573910848] [2021-06-07 15:52:29,897 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-07 15:52:29,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:52:29,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-07 15:52:29,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2021-06-07 15:52:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:29,905 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:52:29,905 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.1818181818181817) internal successors, (48), 21 states have internal predecessors, (48), 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) [2021-06-07 15:52:29,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:29,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:29,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:29,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:29,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:30,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:30,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:30,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:30,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:30,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:30,738 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:30,738 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:30,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:30,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1463472389, now seen corresponding path program 4 times [2021-06-07 15:52:30,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:30,739 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525987176] [2021-06-07 15:52:30,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:30,898 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-06-07 15:52:30,898 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:52:30,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525987176] [2021-06-07 15:52:30,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525987176] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:30,899 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386417377] [2021-06-07 15:52:30,899 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:30,949 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 15:52:30,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 15:52:30,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-07 15:52:30,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:52:31,110 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-07 15:52:31,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386417377] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:31,111 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:52:31,111 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 12 [2021-06-07 15:52:31,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833172541] [2021-06-07 15:52:31,111 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-07 15:52:31,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:52:31,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-07 15:52:31,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-06-07 15:52:31,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:31,112 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:52:31,112 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 15:52:31,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:31,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:31,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:31,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:31,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:31,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 15:52:31,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:31,457 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:31,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:31,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1123257031, now seen corresponding path program 5 times [2021-06-07 15:52:31,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:31,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611394299] [2021-06-07 15:52:31,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:31,618 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-07 15:52:31,619 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:52:31,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611394299] [2021-06-07 15:52:31,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611394299] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:31,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769817771] [2021-06-07 15:52:31,619 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:31,655 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-07 15:52:31,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 15:52:31,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-07 15:52:31,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:52:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 15:52:32,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769817771] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:32,047 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:52:32,047 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 27 [2021-06-07 15:52:32,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521485573] [2021-06-07 15:52:32,048 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-06-07 15:52:32,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:52:32,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-06-07 15:52:32,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=644, Unknown=0, NotChecked=0, Total=756 [2021-06-07 15:52:32,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:32,049 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:52:32,050 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.1785714285714284) internal successors, (61), 27 states have internal predecessors, (61), 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) [2021-06-07 15:52:32,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 15:52:32,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:33,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:33,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:33,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:33,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:33,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:33,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 15:52:33,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:33,370 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:33,371 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:33,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:33,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1535449723, now seen corresponding path program 6 times [2021-06-07 15:52:33,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:33,372 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936916619] [2021-06-07 15:52:33,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:33,507 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 1 proven. 65 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-06-07 15:52:33,507 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:52:33,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936916619] [2021-06-07 15:52:33,507 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936916619] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:33,507 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690021625] [2021-06-07 15:52:33,508 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:33,547 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-07 15:52:33,548 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 15:52:33,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-07 15:52:33,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:52:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 61 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-06-07 15:52:33,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690021625] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:33,681 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:52:33,681 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 13 [2021-06-07 15:52:33,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528180099] [2021-06-07 15:52:33,681 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 15:52:33,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:52:33,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 15:52:33,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-06-07 15:52:33,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:33,682 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:52:33,682 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 13 states have internal predecessors, (43), 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) [2021-06-07 15:52:33,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:33,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:33,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:33,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:33,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:33,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 15:52:33,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:33,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 15:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:33,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:34,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-07 15:52:34,033 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:34,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:34,033 INFO L82 PathProgramCache]: Analyzing trace with hash -2028674631, now seen corresponding path program 7 times [2021-06-07 15:52:34,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:34,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517750164] [2021-06-07 15:52:34,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:34,206 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 26 proven. 76 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-06-07 15:52:34,206 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:52:34,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517750164] [2021-06-07 15:52:34,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517750164] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:34,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011727730] [2021-06-07 15:52:34,206 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:34,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-07 15:52:34,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:52:34,764 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 16 proven. 96 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 15:52:34,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011727730] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:34,765 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:52:34,765 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19] total 32 [2021-06-07 15:52:34,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928713828] [2021-06-07 15:52:34,766 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-07 15:52:34,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:52:34,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-07 15:52:34,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=916, Unknown=0, NotChecked=0, Total=1056 [2021-06-07 15:52:34,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:34,767 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:52:34,767 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.212121212121212) internal successors, (73), 32 states have internal predecessors, (73), 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) [2021-06-07 15:52:34,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:34,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:34,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:34,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:34,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:34,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 15:52:34,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:34,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:34,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 15:52:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:36,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:36,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:52:36,643 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-07 15:52:36,643 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:36,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:36,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1917606149, now seen corresponding path program 8 times [2021-06-07 15:52:36,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:36,644 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98767335] [2021-06-07 15:52:36,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:36,805 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 1 proven. 111 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-06-07 15:52:36,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:52:36,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98767335] [2021-06-07 15:52:36,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98767335] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:36,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959822361] [2021-06-07 15:52:36,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:36,842 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 15:52:36,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 15:52:36,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 42 conjunts are in the unsatisfiable core [2021-06-07 15:52:36,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:52:36,948 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 11 proven. 100 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-06-07 15:52:36,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959822361] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:36,948 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:52:36,948 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 12 [2021-06-07 15:52:36,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022745749] [2021-06-07 15:52:36,949 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-07 15:52:36,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:52:36,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-07 15:52:36,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-06-07 15:52:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:36,949 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:52:36,949 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 15:52:36,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:36,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:36,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:36,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:36,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:36,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 15:52:36,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:36,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:36,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:52:36,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:37,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:37,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:37,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 15:52:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:52:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:37,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:37,269 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:37,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:37,269 INFO L82 PathProgramCache]: Analyzing trace with hash 529755961, now seen corresponding path program 9 times [2021-06-07 15:52:37,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:37,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373668061] [2021-06-07 15:52:37,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 46 proven. 113 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-06-07 15:52:37,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:52:37,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373668061] [2021-06-07 15:52:37,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373668061] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:37,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716630035] [2021-06-07 15:52:37,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:37,526 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-07 15:52:37,526 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 15:52:37,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 49 conjunts are in the unsatisfiable core [2021-06-07 15:52:37,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:52:38,180 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 25 proven. 155 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 15:52:38,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716630035] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:38,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:52:38,180 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 24] total 39 [2021-06-07 15:52:38,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791044656] [2021-06-07 15:52:38,181 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-06-07 15:52:38,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:52:38,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-06-07 15:52:38,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1376, Unknown=0, NotChecked=0, Total=1560 [2021-06-07 15:52:38,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:38,182 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:52:38,182 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.125) internal successors, (85), 39 states have internal predecessors, (85), 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) [2021-06-07 15:52:38,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:38,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:38,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:38,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:38,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:38,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 15:52:38,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:38,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:38,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:52:38,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:38,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 15:52:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:52:40,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:40,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:52:40,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-06-07 15:52:40,897 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:40,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:40,899 INFO L82 PathProgramCache]: Analyzing trace with hash -434891653, now seen corresponding path program 10 times [2021-06-07 15:52:40,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:40,899 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9709359] [2021-06-07 15:52:40,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:41,028 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 1 proven. 169 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-06-07 15:52:41,028 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:52:41,028 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9709359] [2021-06-07 15:52:41,028 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9709359] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:41,028 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471271490] [2021-06-07 15:52:41,028 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:41,072 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 15:52:41,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 15:52:41,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 53 conjunts are in the unsatisfiable core [2021-06-07 15:52:41,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:52:42,233 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 17 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 15:52:42,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471271490] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:42,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:52:42,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 30] total 39 [2021-06-07 15:52:42,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632985157] [2021-06-07 15:52:42,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-07 15:52:42,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:52:42,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-07 15:52:42,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1350, Unknown=0, NotChecked=0, Total=1482 [2021-06-07 15:52:42,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:42,236 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:52:42,236 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.3846153846153846) internal successors, (93), 39 states have internal predecessors, (93), 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) [2021-06-07 15:52:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 15:52:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:52:42,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:52:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:44,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:44,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:44,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:44,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:44,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:44,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:44,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:44,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:44,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:52:44,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:44,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:52:44,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:52:44,436 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:44,437 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:44,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:44,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1634450631, now seen corresponding path program 11 times [2021-06-07 15:52:44,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:44,437 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828403453] [2021-06-07 15:52:44,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:44,592 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 58 proven. 199 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-06-07 15:52:44,593 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:52:44,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828403453] [2021-06-07 15:52:44,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828403453] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:44,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933872175] [2021-06-07 15:52:44,593 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:44,649 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2021-06-07 15:52:44,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 15:52:44,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-07 15:52:44,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:52:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 58 proven. 399 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 15:52:45,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933872175] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:45,551 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:52:45,551 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 34] total 46 [2021-06-07 15:52:45,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275939217] [2021-06-07 15:52:45,552 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-07 15:52:45,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:52:45,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-07 15:52:45,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=1918, Unknown=0, NotChecked=0, Total=2162 [2021-06-07 15:52:45,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:45,553 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:52:45,553 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.1914893617021276) internal successors, (103), 46 states have internal predecessors, (103), 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) [2021-06-07 15:52:45,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:45,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:45,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:45,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:45,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:45,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:45,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:45,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:45,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:52:45,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:45,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:52:45,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:52:45,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:46,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:46,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:46,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:46,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:46,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:46,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:46,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:46,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:46,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:52:46,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:46,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:52:46,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:52:46,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 15:52:46,340 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable85 [2021-06-07 15:52:46,341 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:46,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:46,341 INFO L82 PathProgramCache]: Analyzing trace with hash -722871221, now seen corresponding path program 12 times [2021-06-07 15:52:46,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:46,341 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124846676] [2021-06-07 15:52:46,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:46,532 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 58 proven. 291 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-06-07 15:52:46,532 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:52:46,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124846676] [2021-06-07 15:52:46,532 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124846676] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:46,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904093143] [2021-06-07 15:52:46,532 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:46,585 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-06-07 15:52:46,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 15:52:46,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 69 conjunts are in the unsatisfiable core [2021-06-07 15:52:46,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:52:47,600 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 58 proven. 452 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-07 15:52:47,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904093143] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:47,600 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:52:47,600 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 35] total 49 [2021-06-07 15:52:47,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383116422] [2021-06-07 15:52:47,601 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-07 15:52:47,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:52:47,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-07 15:52:47,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=2181, Unknown=0, NotChecked=0, Total=2450 [2021-06-07 15:52:47,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:47,603 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:52:47,603 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 2.22) internal successors, (111), 49 states have internal predecessors, (111), 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) [2021-06-07 15:52:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:52:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:47,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:52:47,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:52:47,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 15:52:47,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:48,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:48,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:48,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:48,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:48,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:48,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:48,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:48,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:48,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:52:48,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:48,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:52:48,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:52:48,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 15:52:48,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 15:52:48,604 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:48,605 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:48,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:48,605 INFO L82 PathProgramCache]: Analyzing trace with hash 907278675, now seen corresponding path program 13 times [2021-06-07 15:52:48,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:48,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946052058] [2021-06-07 15:52:48,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:48,992 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 58 proven. 462 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-06-07 15:52:48,992 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:52:48,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946052058] [2021-06-07 15:52:48,993 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946052058] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:48,993 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471942676] [2021-06-07 15:52:48,993 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:49,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 79 conjunts are in the unsatisfiable core [2021-06-07 15:52:49,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:52:50,103 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 126 proven. 486 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-06-07 15:52:50,103 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471942676] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:50,104 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:52:50,104 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 31] total 50 [2021-06-07 15:52:50,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872764114] [2021-06-07 15:52:50,104 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-06-07 15:52:50,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:52:50,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-06-07 15:52:50,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=2322, Unknown=0, NotChecked=0, Total=2550 [2021-06-07 15:52:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:50,105 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:52:50,106 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 2.2745098039215685) internal successors, (116), 50 states have internal predecessors, (116), 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) [2021-06-07 15:52:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:52:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:52:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:52:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 15:52:50,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 15:52:50,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:53,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:53,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:53,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:53,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:53,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:53,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:53,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:53,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:53,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:52:53,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:53,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:52:53,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:52:53,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 15:52:53,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 15:52:53,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-07 15:52:53,711 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2021-06-07 15:52:53,712 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:53,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:53,712 INFO L82 PathProgramCache]: Analyzing trace with hash 2003921369, now seen corresponding path program 14 times [2021-06-07 15:52:53,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:53,712 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095722395] [2021-06-07 15:52:53,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:52:53,962 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 58 proven. 613 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-06-07 15:52:53,962 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:52:53,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095722395] [2021-06-07 15:52:53,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095722395] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:53,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500639276] [2021-06-07 15:52:53,963 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:54,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 15:52:54,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 15:52:54,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 100 conjunts are in the unsatisfiable core [2021-06-07 15:52:54,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:52:55,111 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 58 proven. 687 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-07 15:52:55,112 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500639276] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:52:55,112 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:52:55,112 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 35] total 52 [2021-06-07 15:52:55,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017381452] [2021-06-07 15:52:55,112 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-07 15:52:55,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:52:55,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-07 15:52:55,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=294, Invalid=2462, Unknown=0, NotChecked=0, Total=2756 [2021-06-07 15:52:55,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:55,114 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:52:55,114 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 2.2830188679245285) internal successors, (121), 52 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 15:52:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:52:55,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:55,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:52:55,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:52:55,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 15:52:55,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 15:52:55,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-06-07 15:52:55,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:52:58,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:52:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:52:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:52:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:52:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:52:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:52:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:52:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:52:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:52:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:52:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 15:52:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 15:52:58,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-07 15:52:58,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-07 15:52:59,069 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:52:59,070 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:52:59,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:52:59,070 INFO L82 PathProgramCache]: Analyzing trace with hash 482125965, now seen corresponding path program 15 times [2021-06-07 15:52:59,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:52:59,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886568020] [2021-06-07 15:52:59,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:52:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:53:00,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1165 backedges. 25 proven. 1110 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-06-07 15:53:00,642 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:53:00,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886568020] [2021-06-07 15:53:00,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886568020] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:53:00,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399647848] [2021-06-07 15:53:00,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:53:00,721 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2021-06-07 15:53:00,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 15:53:00,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 115 conjunts are in the unsatisfiable core [2021-06-07 15:53:00,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:53:03,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1165 backedges. 37 proven. 1110 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-07 15:53:03,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399647848] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:53:03,551 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:53:03,551 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 48] total 90 [2021-06-07 15:53:03,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182317569] [2021-06-07 15:53:03,551 INFO L462 AbstractCegarLoop]: Interpolant automaton has 91 states [2021-06-07 15:53:03,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:53:03,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2021-06-07 15:53:03,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=370, Invalid=7820, Unknown=0, NotChecked=0, Total=8190 [2021-06-07 15:53:03,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:53:03,553 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:53:03,553 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 91 states, 91 states have (on average 2.0549450549450547) internal successors, (187), 90 states have internal predecessors, (187), 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) [2021-06-07 15:53:03,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:03,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:03,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:53:03,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:53:03,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:53:03,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:53:03,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:53:03,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:03,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:53:03,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:03,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:53:03,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:53:03,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 15:53:03,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 15:53:03,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-06-07 15:53:03,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-06-07 15:53:03,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:53:14,767 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2021-06-07 15:53:18,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:18,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:18,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:53:18,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:53:18,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:53:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:53:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:53:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:53:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:53:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:53:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 15:53:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 15:53:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-07 15:53:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-07 15:53:18,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-07 15:53:18,272 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:53:18,273 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:53:18,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:53:18,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1683098817, now seen corresponding path program 16 times [2021-06-07 15:53:18,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:53:18,273 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379198848] [2021-06-07 15:53:18,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:53:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:53:19,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4297 backedges. 0 proven. 1668 refuted. 0 times theorem prover too weak. 2629 trivial. 0 not checked. [2021-06-07 15:53:19,445 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:53:19,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379198848] [2021-06-07 15:53:19,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379198848] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:53:19,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990460675] [2021-06-07 15:53:19,445 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:53:19,578 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 15:53:19,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 15:53:19,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 113 conjunts are in the unsatisfiable core [2021-06-07 15:53:19,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:53:20,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4297 backedges. 330 proven. 2351 refuted. 0 times theorem prover too weak. 1616 trivial. 0 not checked. [2021-06-07 15:53:20,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990460675] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:53:20,246 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:53:20,246 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13] total 25 [2021-06-07 15:53:20,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577974840] [2021-06-07 15:53:20,246 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-07 15:53:20,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:53:20,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-07 15:53:20,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2021-06-07 15:53:20,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:53:20,247 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:53:20,247 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 3.04) internal successors, (76), 25 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 15:53:20,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:20,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:20,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:53:20,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:53:20,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:53:20,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:53:20,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:53:20,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:20,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:53:20,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:20,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:53:20,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:53:20,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 15:53:20,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 15:53:20,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-06-07 15:53:20,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-06-07 15:53:20,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-07 15:53:20,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:53:20,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:20,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:20,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:53:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:53:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:53:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:53:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:53:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:53:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:53:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:53:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 15:53:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 15:53:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-07 15:53:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-07 15:53:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-07 15:53:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 15:53:20,767 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:53:20,767 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:53:20,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:53:20,768 INFO L82 PathProgramCache]: Analyzing trace with hash -945899843, now seen corresponding path program 17 times [2021-06-07 15:53:20,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:53:20,768 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767934051] [2021-06-07 15:53:20,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:53:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:53:23,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4397 backedges. 76 proven. 4184 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-06-07 15:53:23,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:53:23,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767934051] [2021-06-07 15:53:23,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767934051] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:53:23,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081294127] [2021-06-07 15:53:23,147 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:53:23,511 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 42 check-sat command(s) [2021-06-07 15:53:23,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 15:53:23,521 WARN L261 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 253 conjunts are in the unsatisfiable core [2021-06-07 15:53:23,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:53:27,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4397 backedges. 63 proven. 4182 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2021-06-07 15:53:27,230 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081294127] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:53:27,230 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:53:27,230 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 57] total 111 [2021-06-07 15:53:27,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830509541] [2021-06-07 15:53:27,230 INFO L462 AbstractCegarLoop]: Interpolant automaton has 112 states [2021-06-07 15:53:27,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:53:27,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2021-06-07 15:53:27,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=11881, Unknown=0, NotChecked=0, Total=12432 [2021-06-07 15:53:27,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:53:27,233 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:53:27,233 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 112 states, 112 states have (on average 2.2410714285714284) internal successors, (251), 111 states have internal predecessors, (251), 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) [2021-06-07 15:53:27,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:27,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:27,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:53:27,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:53:27,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:53:27,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:53:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:53:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:53:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:53:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:53:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 15:53:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 15:53:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-06-07 15:53:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-06-07 15:53:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-07 15:53:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 15:53:27,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:53:40,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-07 15:53:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 15:53:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-06-07 15:53:40,901 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:53:40,901 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:53:40,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:53:40,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1230257921, now seen corresponding path program 18 times [2021-06-07 15:53:40,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:53:40,902 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595025302] [2021-06-07 15:53:40,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:53:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:53:41,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4825 backedges. 76 proven. 2030 refuted. 0 times theorem prover too weak. 2719 trivial. 0 not checked. [2021-06-07 15:53:41,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:53:41,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595025302] [2021-06-07 15:53:41,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595025302] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:53:41,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038201422] [2021-06-07 15:53:41,682 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:53:42,108 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 45 check-sat command(s) [2021-06-07 15:53:42,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 15:53:42,113 WARN L261 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 256 conjunts are in the unsatisfiable core [2021-06-07 15:53:42,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:53:44,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4825 backedges. 76 proven. 4590 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-06-07 15:53:44,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038201422] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:53:44,487 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:53:44,487 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 58] total 78 [2021-06-07 15:53:44,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607929183] [2021-06-07 15:53:44,487 INFO L462 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-06-07 15:53:44,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:53:44,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-06-07 15:53:44,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=5765, Unknown=0, NotChecked=0, Total=6162 [2021-06-07 15:53:44,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:53:44,489 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:53:44,489 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 79 states, 79 states have (on average 2.2531645569620253) internal successors, (178), 78 states have internal predecessors, (178), 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) [2021-06-07 15:53:44,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:44,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:44,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:53:44,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:53:44,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:53:44,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:53:44,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:53:44,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:44,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:53:44,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:44,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:53:44,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:53:44,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 15:53:44,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 15:53:44,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-06-07 15:53:44,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-06-07 15:53:44,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-07 15:53:44,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 15:53:44,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-06-07 15:53:44,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:53:54,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:54,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:54,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:53:54,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:53:54,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:53:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:53:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:53:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:53:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:53:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:53:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 15:53:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 15:53:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-07 15:53:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-06-07 15:53:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2021-06-07 15:53:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 15:53:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-06-07 15:53:54,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2021-06-07 15:53:54,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:53:54,596 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 15:53:54,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 15:53:54,596 INFO L82 PathProgramCache]: Analyzing trace with hash 287658821, now seen corresponding path program 19 times [2021-06-07 15:53:54,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 15:53:54,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109776190] [2021-06-07 15:53:54,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 15:53:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:53:56,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5273 backedges. 10 proven. 3952 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2021-06-07 15:53:56,406 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 15:53:56,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109776190] [2021-06-07 15:53:56,407 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109776190] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:53:56,407 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281708701] [2021-06-07 15:53:56,407 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 15:53:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 15:53:56,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 136 conjunts are in the unsatisfiable core [2021-06-07 15:53:56,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 15:53:57,134 INFO L134 CoverageAnalysis]: Checked inductivity of 5273 backedges. 232 proven. 3379 refuted. 0 times theorem prover too weak. 1662 trivial. 0 not checked. [2021-06-07 15:53:57,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281708701] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 15:53:57,134 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 15:53:57,134 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 15] total 43 [2021-06-07 15:53:57,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714923942] [2021-06-07 15:53:57,135 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-07 15:53:57,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 15:53:57,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-07 15:53:57,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=1541, Unknown=0, NotChecked=0, Total=1806 [2021-06-07 15:53:57,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:53:57,136 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 15:53:57,136 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 2.6744186046511627) internal successors, (115), 43 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) [2021-06-07 15:53:57,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:57,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:53:57,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:53:57,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 15:53:57,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:53:57,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 15:53:57,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 15:53:57,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:57,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-07 15:53:57,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:53:57,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-06-07 15:53:57,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-06-07 15:53:57,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 15:53:57,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 15:53:57,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-06-07 15:53:57,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-06-07 15:53:57,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2021-06-07 15:53:57,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 15:53:57,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2021-06-07 15:53:57,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2021-06-07 15:53:57,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 15:54:16,614 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2021-06-07 15:54:22,360 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 15 [2021-06-07 15:54:25,338 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 16 [2021-06-07 15:54:29,994 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 14 [2021-06-07 15:54:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:54:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 15:54:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 15:54:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 15:54:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-07 15:54:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 15:54:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-07 15:54:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 15:54:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2021-06-07 15:54:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 15:54:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2021-06-07 15:54:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-06-07 15:54:32,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2021-06-07 15:54:32,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2021-06-07 15:54:32,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-06-07 15:54:32,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2021-06-07 15:54:32,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2021-06-07 15:54:32,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-07 15:54:32,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2021-06-07 15:54:32,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2021-06-07 15:54:32,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-07 15:54:32,792 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable210 [2021-06-07 15:54:32,804 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 15:54:32,806 INFO L202 PluginConnector]: Adding new model nonblocking-cntr.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 03:54:32 BasicIcfg [2021-06-07 15:54:32,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 15:54:32,806 INFO L168 Benchmark]: Toolchain (without parser) took 126485.26 ms. Allocated memory was 335.5 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 315.4 MB in the beginning and 1.1 GB in the end (delta: -748.2 MB). Peak memory consumption was 946.3 MB. Max. memory is 16.0 GB. [2021-06-07 15:54:32,806 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 335.5 MB. Free memory is still 316.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 15:54:32,807 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.16 ms. Allocated memory is still 335.5 MB. Free memory was 315.3 MB in the beginning and 313.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 15:54:32,807 INFO L168 Benchmark]: Boogie Preprocessor took 16.54 ms. Allocated memory is still 335.5 MB. Free memory was 313.8 MB in the beginning and 312.9 MB in the end (delta: 935.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 15:54:32,807 INFO L168 Benchmark]: RCFGBuilder took 278.30 ms. Allocated memory is still 335.5 MB. Free memory was 312.9 MB in the beginning and 301.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-07 15:54:32,807 INFO L168 Benchmark]: TraceAbstraction took 126156.46 ms. Allocated memory was 335.5 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 301.3 MB in the beginning and 1.1 GB in the end (delta: -762.2 MB). Peak memory consumption was 931.6 MB. Max. memory is 16.0 GB. [2021-06-07 15:54:32,807 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 0.15 ms. Allocated memory is still 335.5 MB. Free memory is still 316.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 28.16 ms. Allocated memory is still 335.5 MB. Free memory was 315.3 MB in the beginning and 313.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.54 ms. Allocated memory is still 335.5 MB. Free memory was 313.8 MB in the beginning and 312.9 MB in the end (delta: 935.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 278.30 ms. Allocated memory is still 335.5 MB. Free memory was 312.9 MB in the beginning and 301.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 126156.46 ms. Allocated memory was 335.5 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 301.3 MB in the beginning and 1.1 GB in the end (delta: -762.2 MB). Peak memory consumption was 931.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 53460, positive: 45108, positive conditional: 45108, positive unconditional: 0, negative: 8352, negative conditional: 8352, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 45675, positive: 45108, positive conditional: 45108, positive unconditional: 0, negative: 567, negative conditional: 567, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 45675, positive: 43441, positive conditional: 0, positive unconditional: 43441, negative: 2234, negative conditional: 0, negative unconditional: 2234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45675, positive: 43419, positive conditional: 0, positive unconditional: 43419, negative: 2233, negative conditional: 0, negative unconditional: 2233, unknown: 23, unknown conditional: 0, unknown unconditional: 23] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976, SemanticConditionEliminator.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27565, positive: 1667, positive conditional: 1667, positive unconditional: 0, negative: 25898, negative conditional: 18922, negative unconditional: 6976, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 275, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 229, negative conditional: 228, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 663, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 597, negative conditional: 546, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27565, positive: 1621, positive conditional: 1621, positive unconditional: 0, negative: 25670, negative conditional: 18694, negative unconditional: 6976, unknown: 274, unknown conditional: 274, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 297, Positive cache size: 68, Positive conditional cache size: 46, Positive unconditional cache size: 22, Negative cache size: 229, Negative conditional cache size: 228, Negative unconditional cache size: 1, Eliminated conditions: 6976 ], Maximal queried relation: 21, Independence queries for same thread: 7785 - PositiveResult [Line: 50]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 32 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 126000.8ms, OverallIterations: 21, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.9ms, PartialOrderReductionTime: 91023.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1507, 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: 170.2ms SsaConstructionTime, 3369.5ms SatisfiabilityAnalysisTime, 26479.6ms InterpolantComputationTime, 3287 NumberOfCodeBlocks, 3287 NumberOfCodeBlocksAsserted, 210 NumberOfCheckSat, 3246 ConstructedInterpolants, 0 QuantifiedInterpolants, 30238 SizeOfPredicates, 67 NumberOfNonLiveVariables, 3920 ConjunctsInSsa, 1494 ConjunctsInUnsatCore, 41 InterpolantComputations, 2 PerfectInterpolantSequences, 13083/46632 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...