/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-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 18:28:14,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 18:28:14,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 18:28:14,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 18:28:14,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 18:28:14,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 18:28:14,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 18:28:14,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 18:28:14,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 18:28:14,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 18:28:14,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 18:28:14,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 18:28:14,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 18:28:14,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 18:28:14,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 18:28:14,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 18:28:14,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 18:28:14,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 18:28:14,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 18:28:14,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 18:28:14,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 18:28:14,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 18:28:14,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 18:28:14,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 18:28:14,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 18:28:14,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 18:28:14,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 18:28:14,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 18:28:14,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 18:28:14,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 18:28:14,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 18:28:14,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 18:28:14,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 18:28:14,382 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-Sleep-NoLbe-New_States.epf [2021-03-12 18:28:14,409 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 18:28:14,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 18:28:14,410 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 18:28:14,410 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 18:28:14,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 18:28:14,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 18:28:14,413 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 18:28:14,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 18:28:14,413 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 18:28:14,413 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 18:28:14,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 18:28:14,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 18:28:14,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 18:28:14,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 18:28:14,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 18:28:14,415 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 18:28:14,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 18:28:14,415 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 18:28:14,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 18:28:14,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 18:28:14,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 18:28:14,415 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 18:28:14,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 18:28:14,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 18:28:14,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 18:28:14,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 18:28:14,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 18:28:14,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 18:28:14,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 18:28:14,416 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 18:28:14,417 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 18:28:14,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 18:28:14,417 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 18:28:14,417 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 18:28:14,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 18:28:14,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 18:28:14,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 18:28:14,728 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 18:28:14,730 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 18:28:14,731 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl [2021-03-12 18:28:14,731 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl' [2021-03-12 18:28:14,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 18:28:14,776 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 18:28:14,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 18:28:14,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 18:28:14,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 18:28:14,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:28:14" (1/1) ... [2021-03-12 18:28:14,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:28:14" (1/1) ... [2021-03-12 18:28:14,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 18:28:14,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 18:28:14,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 18:28:14,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 18:28:14,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:28:14" (1/1) ... [2021-03-12 18:28:14,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:28:14" (1/1) ... [2021-03-12 18:28:14,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:28:14" (1/1) ... [2021-03-12 18:28:14,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:28:14" (1/1) ... [2021-03-12 18:28:14,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:28:14" (1/1) ... [2021-03-12 18:28:14,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:28:14" (1/1) ... [2021-03-12 18:28:14,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:28:14" (1/1) ... [2021-03-12 18:28:14,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 18:28:14,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 18:28:14,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 18:28:14,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 18:28:14,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:28:14" (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 [2021-03-12 18:28:14,902 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 18:28:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 18:28:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 18:28:14,902 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 18:28:14,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 18:28:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 18:28:14,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 18:28:14,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 18:28:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 18:28:14,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-12 18:28:14,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-12 18:28:14,904 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-12 18:28:14,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-12 18:28:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-12 18:28:14,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-12 18:28:14,905 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 18:28:15,127 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 18:28:15,127 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 18:28:15,128 INFO L202 PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 06:28:15 BoogieIcfgContainer [2021-03-12 18:28:15,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 18:28:15,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 18:28:15,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 18:28:15,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 18:28:15,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:28:14" (1/2) ... [2021-03-12 18:28:15,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44eb4bf2 and model type buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 06:28:15, skipping insertion in model container [2021-03-12 18:28:15,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 06:28:15" (2/2) ... [2021-03-12 18:28:15,134 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-series.wvr.bpl [2021-03-12 18:28:15,138 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 18:28:15,138 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 18:28:15,141 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 18:28:15,141 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 18:28:15,185 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-12 18:28:15,198 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 18:28:15,243 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 18:28:15,243 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 18:28:15,243 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 18:28:15,243 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 18:28:15,243 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 18:28:15,243 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 18:28:15,243 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 18:28:15,243 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 18:28:15,432 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:28:15,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:28:15,442 INFO L82 PathProgramCache]: Analyzing trace with hash -2015520107, now seen corresponding path program 1 times [2021-03-12 18:28:15,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:28:15,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659915428] [2021-03-12 18:28:15,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:28:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:15,621 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 18:28:15,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659915428] [2021-03-12 18:28:15,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 18:28:15,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 18:28:15,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109365886] [2021-03-12 18:28:15,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 18:28:15,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:28:15,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 18:28:15,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 18:28:15,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:15,641 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:28:15,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2021-03-12 18:28:15,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:15,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:15,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 18:28:15,750 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:28:15,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:28:15,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1237188589, now seen corresponding path program 2 times [2021-03-12 18:28:15,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:28:15,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084589167] [2021-03-12 18:28:15,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:28:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-12 18:28:15,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084589167] [2021-03-12 18:28:15,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 18:28:15,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 18:28:15,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338533509] [2021-03-12 18:28:15,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 18:28:15,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:28:15,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 18:28:15,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 18:28:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:15,807 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:28:15,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 18:28:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:15,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:15,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:15,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:15,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 18:28:15,884 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:28:15,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:28:15,884 INFO L82 PathProgramCache]: Analyzing trace with hash 354457354, now seen corresponding path program 3 times [2021-03-12 18:28:15,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:28:15,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993728103] [2021-03-12 18:28:15,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:28:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:16,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:28:16,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993728103] [2021-03-12 18:28:16,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805739555] [2021-03-12 18:28:16,196 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 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 [2021-03-12 18:28:16,238 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-12 18:28:16,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:28:16,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 18:28:16,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:28:16,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-03-12 18:28:16,385 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:28:16,405 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:28:16,407 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 18:28:16,407 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2021-03-12 18:28:16,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-03-12 18:28:16,460 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:28:16,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:28:16,462 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 18:28:16,462 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:7 [2021-03-12 18:28:16,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:28:16,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:28:16,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-03-12 18:28:16,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784897332] [2021-03-12 18:28:16,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 18:28:16,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:28:16,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 18:28:16,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-12 18:28:16,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:16,551 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:28:16,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 18:28:16,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:16,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:16,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:16,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:16,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:16,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:17,013 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:17,014 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:28:17,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:28:17,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1850719302, now seen corresponding path program 1 times [2021-03-12 18:28:17,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:28:17,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750182153] [2021-03-12 18:28:17,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:28:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:17,055 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 18:28:17,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750182153] [2021-03-12 18:28:17,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438529515] [2021-03-12 18:28:17,056 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 [2021-03-12 18:28:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:17,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 18:28:17,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:28:17,215 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 18:28:17,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:28:17,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-12 18:28:17,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891744508] [2021-03-12 18:28:17,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-12 18:28:17,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:28:17,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-12 18:28:17,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-12 18:28:17,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:17,216 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:28:17,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 9 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 18:28:17,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:17,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:17,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:17,217 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:17,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:17,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:17,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:17,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 18:28:17,527 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:17,527 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:28:17,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:28:17,528 INFO L82 PathProgramCache]: Analyzing trace with hash 2146914099, now seen corresponding path program 4 times [2021-03-12 18:28:17,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:28:17,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689083806] [2021-03-12 18:28:17,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:28:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 18:28:17,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689083806] [2021-03-12 18:28:17,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100321517] [2021-03-12 18:28:17,663 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 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 [2021-03-12 18:28:17,697 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 18:28:17,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:28:17,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 18:28:17,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:28:17,854 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-03-12 18:28:17,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:28:17,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 19 [2021-03-12 18:28:17,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420069719] [2021-03-12 18:28:17,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-12 18:28:17,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:28:17,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-12 18:28:17,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2021-03-12 18:28:17,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:17,856 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:28:17,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 3.65) internal successors, (73), 19 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) [2021-03-12 18:28:17,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:17,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:17,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:17,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 18:28:17,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:18,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:18,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:18,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:18,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 18:28:18,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:18,332 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:18,332 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:28:18,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:28:18,333 INFO L82 PathProgramCache]: Analyzing trace with hash 637963307, now seen corresponding path program 5 times [2021-03-12 18:28:18,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:28:18,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247290312] [2021-03-12 18:28:18,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:28:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:18,433 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 18:28:18,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247290312] [2021-03-12 18:28:18,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795879186] [2021-03-12 18:28:18,434 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 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 [2021-03-12 18:28:18,475 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-12 18:28:18,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:28:18,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 18:28:18,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:28:18,597 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-03-12 18:28:18,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-12 18:28:18,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 16 [2021-03-12 18:28:18,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113305915] [2021-03-12 18:28:18,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-12 18:28:18,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:28:18,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-12 18:28:18,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2021-03-12 18:28:18,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:18,598 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:28:18,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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) [2021-03-12 18:28:18,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:18,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:18,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:18,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 18:28:18,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:18,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:18,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:18,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:18,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:18,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 18:28:18,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:18,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:18,891 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-12 18:28:18,891 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:28:18,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:28:18,892 INFO L82 PathProgramCache]: Analyzing trace with hash -2077682447, now seen corresponding path program 6 times [2021-03-12 18:28:18,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:28:18,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454975584] [2021-03-12 18:28:18,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:28:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:18,970 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-03-12 18:28:18,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454975584] [2021-03-12 18:28:18,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643235076] [2021-03-12 18:28:18,972 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 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 [2021-03-12 18:28:19,020 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-03-12 18:28:19,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:28:19,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 18:28:19,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:28:19,118 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-03-12 18:28:19,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:28:19,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-12 18:28:19,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890736532] [2021-03-12 18:28:19,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 18:28:19,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:28:19,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 18:28:19,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-03-12 18:28:19,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:19,119 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:28:19,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 18:28:19,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:19,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:19,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:19,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 18:28:19,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:19,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:19,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:19,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:19,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:19,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:19,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:19,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:19,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:19,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:19,557 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:19,558 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:28:19,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:28:19,558 INFO L82 PathProgramCache]: Analyzing trace with hash 44009845, now seen corresponding path program 7 times [2021-03-12 18:28:19,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:28:19,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477050959] [2021-03-12 18:28:19,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:28:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:20,744 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:28:20,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477050959] [2021-03-12 18:28:20,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688781397] [2021-03-12 18:28:20,745 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:20,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 83 conjunts are in the unsatisfiable core [2021-03-12 18:28:20,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:28:21,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 61 [2021-03-12 18:28:21,725 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:28:21,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:28:21,735 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 18:28:21,735 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:52 [2021-03-12 18:28:22,048 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-03-12 18:28:22,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 42 [2021-03-12 18:28:22,050 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:28:22,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:28:22,052 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 18:28:22,052 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:70, output treesize:22 [2021-03-12 18:28:22,172 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:28:22,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:28:22,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 24] total 46 [2021-03-12 18:28:22,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986053056] [2021-03-12 18:28:22,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-03-12 18:28:22,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:28:22,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-03-12 18:28:22,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2003, Unknown=0, NotChecked=0, Total=2162 [2021-03-12 18:28:22,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:22,176 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:28:22,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 2.106382978723404) internal successors, (99), 46 states have internal predecessors, (99), 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) [2021-03-12 18:28:22,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:22,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:22,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:22,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:22,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:22,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:22,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:22,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:24,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:24,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:24,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:24,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:24,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:24,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:24,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:24,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 18:28:25,095 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:25,096 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:28:25,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:28:25,096 INFO L82 PathProgramCache]: Analyzing trace with hash 939888085, now seen corresponding path program 8 times [2021-03-12 18:28:25,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:28:25,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123105006] [2021-03-12 18:28:25,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:28:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:25,185 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 82 proven. 79 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-03-12 18:28:25,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123105006] [2021-03-12 18:28:25,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407989685] [2021-03-12 18:28:25,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:25,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 18:28:25,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:28:25,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 12 conjunts are in the unsatisfiable core [2021-03-12 18:28:25,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:28:25,462 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 22 proven. 91 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-03-12 18:28:25,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:28:25,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11] total 17 [2021-03-12 18:28:25,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311129915] [2021-03-12 18:28:25,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-12 18:28:25,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:28:25,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-12 18:28:25,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2021-03-12 18:28:25,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:25,466 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:28:25,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 5.166666666666667) internal successors, (93), 17 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) [2021-03-12 18:28:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:25,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:25,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:25,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:25,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 18:28:25,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:27,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:27,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:27,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:27,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:27,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:27,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:27,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:27,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:28:27,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:28:27,915 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-03-12 18:28:27,915 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:28:27,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:28:27,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1575015525, now seen corresponding path program 9 times [2021-03-12 18:28:27,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:28:27,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005192110] [2021-03-12 18:28:27,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:28:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:28,254 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 91 proven. 147 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-03-12 18:28:28,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005192110] [2021-03-12 18:28:28,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446648046] [2021-03-12 18:28:28,254 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:28,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-03-12 18:28:28,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:28:28,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 14 conjunts are in the unsatisfiable core [2021-03-12 18:28:28,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:28:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 115 proven. 35 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-03-12 18:28:28,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:28:28,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 13] total 39 [2021-03-12 18:28:28,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021555540] [2021-03-12 18:28:28,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-03-12 18:28:28,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:28:28,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-03-12 18:28:28,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1337, Unknown=0, NotChecked=0, Total=1560 [2021-03-12 18:28:28,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:28,676 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:28:28,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 3.15) internal successors, (126), 39 states have internal predecessors, (126), 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) [2021-03-12 18:28:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:28:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:28:28,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:29,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:29,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:29,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:29,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:29,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:29,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:29,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:29,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:28:29,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:28:29,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:28:29,388 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:29,389 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:28:29,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:28:29,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1318173433, now seen corresponding path program 10 times [2021-03-12 18:28:29,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:28:29,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621699159] [2021-03-12 18:28:29,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:28:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:29,526 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 141 proven. 249 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-03-12 18:28:29,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621699159] [2021-03-12 18:28:29,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155086264] [2021-03-12 18:28:29,526 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:29,579 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 18:28:29,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:28:29,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-12 18:28:29,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:28:29,855 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 223 proven. 91 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2021-03-12 18:28:29,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:28:29,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9] total 22 [2021-03-12 18:28:29,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468031955] [2021-03-12 18:28:29,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 18:28:29,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:28:29,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 18:28:29,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2021-03-12 18:28:29,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:29,857 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:28:29,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 5.521739130434782) internal successors, (127), 22 states have internal predecessors, (127), 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) [2021-03-12 18:28:29,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:29,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:29,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:29,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:29,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:29,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:29,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:29,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:28:29,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:28:29,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:28:29,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:32,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:32,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:32,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:32,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:32,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:32,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:32,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:32,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:28:32,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:28:32,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:28:32,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:28:32,527 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:32,527 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:28:32,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:28:32,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1563343479, now seen corresponding path program 11 times [2021-03-12 18:28:32,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:28:32,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647706008] [2021-03-12 18:28:32,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:28:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:33,022 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 146 proven. 192 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-03-12 18:28:33,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647706008] [2021-03-12 18:28:33,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350494432] [2021-03-12 18:28:33,023 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:33,092 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-03-12 18:28:33,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:28:33,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 22 conjunts are in the unsatisfiable core [2021-03-12 18:28:33,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:28:33,865 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 162 proven. 154 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-03-12 18:28:33,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:28:33,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 21] total 53 [2021-03-12 18:28:33,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117762028] [2021-03-12 18:28:33,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-03-12 18:28:33,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:28:33,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-03-12 18:28:33,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=2500, Unknown=0, NotChecked=0, Total=2862 [2021-03-12 18:28:33,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:33,868 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:28:33,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 53 states have internal predecessors, (163), 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) [2021-03-12 18:28:33,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:33,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:33,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:33,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:33,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:33,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:33,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:33,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:28:33,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:28:33,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:28:33,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:28:33,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:34,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:28:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:28:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:28:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:28:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:28:34,680 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-12 18:28:34,680 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:28:34,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:28:34,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1217357321, now seen corresponding path program 12 times [2021-03-12 18:28:34,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:28:34,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475405517] [2021-03-12 18:28:34,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:28:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 141 proven. 616 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-03-12 18:28:35,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475405517] [2021-03-12 18:28:35,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977030777] [2021-03-12 18:28:35,724 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:35,813 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2021-03-12 18:28:35,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:28:35,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-12 18:28:35,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:28:36,339 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 441 proven. 203 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-03-12 18:28:36,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:28:36,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 11] total 62 [2021-03-12 18:28:36,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629008575] [2021-03-12 18:28:36,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-03-12 18:28:36,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:28:36,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-03-12 18:28:36,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=477, Invalid=3429, Unknown=0, NotChecked=0, Total=3906 [2021-03-12 18:28:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:36,342 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:28:36,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 2.873015873015873) internal successors, (181), 62 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 18:28:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:28:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:28:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:28:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:28:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:28:36,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:44,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:28:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:28:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:28:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:28:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:28:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2021-03-12 18:28:44,617 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-12 18:28:44,617 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:28:44,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:28:44,617 INFO L82 PathProgramCache]: Analyzing trace with hash -317436457, now seen corresponding path program 13 times [2021-03-12 18:28:44,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:28:44,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116825987] [2021-03-12 18:28:44,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:28:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:44,954 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 246 proven. 247 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-03-12 18:28:44,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116825987] [2021-03-12 18:28:44,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530675806] [2021-03-12 18:28:44,954 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:45,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 28 conjunts are in the unsatisfiable core [2021-03-12 18:28:45,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:28:45,522 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 303 proven. 247 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2021-03-12 18:28:45,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:28:45,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 15] total 41 [2021-03-12 18:28:45,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500097074] [2021-03-12 18:28:45,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-03-12 18:28:45,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:28:45,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-03-12 18:28:45,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=1394, Unknown=0, NotChecked=0, Total=1722 [2021-03-12 18:28:45,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:45,525 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:28:45,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 4.357142857142857) internal successors, (183), 41 states have internal predecessors, (183), 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) [2021-03-12 18:28:45,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:45,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:45,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:45,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:45,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:45,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:45,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:45,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:28:45,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:28:45,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:28:45,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:28:45,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:28:45,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2021-03-12 18:28:45,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:48,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:28:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:28:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:28:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:28:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:28:48,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2021-03-12 18:28:48,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2021-03-12 18:28:48,781 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-12 18:28:48,782 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:28:48,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:28:48,782 INFO L82 PathProgramCache]: Analyzing trace with hash 43706967, now seen corresponding path program 14 times [2021-03-12 18:28:48,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:28:48,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008732492] [2021-03-12 18:28:48,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:28:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:49,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 383 proven. 439 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-03-12 18:28:49,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008732492] [2021-03-12 18:28:49,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487654106] [2021-03-12 18:28:49,951 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:50,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 18:28:50,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:28:50,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 32 conjunts are in the unsatisfiable core [2021-03-12 18:28:50,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:28:51,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 495 proven. 287 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2021-03-12 18:28:51,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:28:51,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 31] total 82 [2021-03-12 18:28:51,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050824521] [2021-03-12 18:28:51,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-03-12 18:28:51,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:28:51,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-03-12 18:28:51,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=923, Invalid=5883, Unknown=0, NotChecked=0, Total=6806 [2021-03-12 18:28:51,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:51,530 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:28:51,530 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 2.8072289156626504) internal successors, (233), 82 states have internal predecessors, (233), 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) [2021-03-12 18:28:51,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:51,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:51,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:28:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:28:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:28:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:28:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:28:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2021-03-12 18:28:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2021-03-12 18:28:51,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:53,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:53,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:53,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:53,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:53,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:53,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:53,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:53,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:28:53,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:28:53,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:28:53,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:28:53,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:28:53,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2021-03-12 18:28:53,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-03-12 18:28:53,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 18:28:54,163 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:54,163 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:28:54,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:28:54,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1820640311, now seen corresponding path program 15 times [2021-03-12 18:28:54,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:28:54,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395943026] [2021-03-12 18:28:54,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:28:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:28:56,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 415 proven. 1320 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2021-03-12 18:28:56,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395943026] [2021-03-12 18:28:56,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237716712] [2021-03-12 18:28:56,324 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:28:56,471 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 26 check-sat command(s) [2021-03-12 18:28:56,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:28:56,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 50 conjunts are in the unsatisfiable core [2021-03-12 18:28:56,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:28:57,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 1053 proven. 547 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2021-03-12 18:28:57,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:28:57,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 18] total 94 [2021-03-12 18:28:57,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729593974] [2021-03-12 18:28:57,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 95 states [2021-03-12 18:28:57,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:28:57,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2021-03-12 18:28:57,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1117, Invalid=7813, Unknown=0, NotChecked=0, Total=8930 [2021-03-12 18:28:57,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:28:57,815 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:28:57,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 95 states, 95 states have (on average 2.736842105263158) internal successors, (260), 94 states have internal predecessors, (260), 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) [2021-03-12 18:28:57,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:57,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:28:57,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:57,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:28:57,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:57,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:28:57,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:28:57,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:28:57,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:28:57,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:28:57,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:28:57,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:28:57,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2021-03-12 18:28:57,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-03-12 18:28:57,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 18:28:57,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:29:20,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:29:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:29:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:29:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:29:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:29:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:29:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:29:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:29:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:29:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:29:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:29:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:29:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2021-03-12 18:29:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-03-12 18:29:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 18:29:20,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 326 states. [2021-03-12 18:29:20,336 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-12 18:29:20,336 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:29:20,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:29:20,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1859186369, now seen corresponding path program 16 times [2021-03-12 18:29:20,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:29:20,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842671825] [2021-03-12 18:29:20,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:29:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:29:23,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 551 proven. 705 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2021-03-12 18:29:23,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842671825] [2021-03-12 18:29:23,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279773252] [2021-03-12 18:29:23,469 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:29:23,543 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 18:29:23,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:29:23,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 41 conjunts are in the unsatisfiable core [2021-03-12 18:29:23,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:29:25,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 842 proven. 324 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-03-12 18:29:25,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:29:25,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 23] total 96 [2021-03-12 18:29:25,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8166459] [2021-03-12 18:29:25,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 97 states [2021-03-12 18:29:25,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:29:25,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2021-03-12 18:29:25,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1435, Invalid=7877, Unknown=0, NotChecked=0, Total=9312 [2021-03-12 18:29:25,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:29:25,302 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:29:25,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 97 states, 97 states have (on average 2.6907216494845363) internal successors, (261), 96 states have internal predecessors, (261), 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) [2021-03-12 18:29:25,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:29:25,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:29:25,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:29:25,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:29:25,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:29:25,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:29:25,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:29:25,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:29:25,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:29:25,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:29:25,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:29:25,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:29:25,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2021-03-12 18:29:25,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-03-12 18:29:25,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 18:29:25,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 326 states. [2021-03-12 18:29:25,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:29:49,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:29:49,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:29:49,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:29:49,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:29:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:29:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:29:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:29:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:29:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:29:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:29:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:29:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:29:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2021-03-12 18:29:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-03-12 18:29:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 18:29:49,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 326 states. [2021-03-12 18:29:49,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2021-03-12 18:29:50,113 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-12 18:29:50,113 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:29:50,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:29:50,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1197834715, now seen corresponding path program 17 times [2021-03-12 18:29:50,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:29:50,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945491613] [2021-03-12 18:29:50,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:29:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:29:50,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1697 backedges. 863 proven. 484 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2021-03-12 18:29:50,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945491613] [2021-03-12 18:29:50,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478669822] [2021-03-12 18:29:50,530 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:29:50,656 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 29 check-sat command(s) [2021-03-12 18:29:50,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:29:50,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 43 conjunts are in the unsatisfiable core [2021-03-12 18:29:50,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:29:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1697 backedges. 687 proven. 541 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2021-03-12 18:29:52,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:29:52,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 42] total 65 [2021-03-12 18:29:52,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161274439] [2021-03-12 18:29:52,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-03-12 18:29:52,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:29:52,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-03-12 18:29:52,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=762, Invalid=3528, Unknown=0, NotChecked=0, Total=4290 [2021-03-12 18:29:52,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:29:52,765 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:29:52,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 4.075757575757576) internal successors, (269), 65 states have internal predecessors, (269), 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) [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 326 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2021-03-12 18:29:52,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 326 states. [2021-03-12 18:30:28,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2021-03-12 18:30:28,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 504 states. [2021-03-12 18:30:28,693 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-12 18:30:28,694 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:30:28,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:30:28,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1779699257, now seen corresponding path program 18 times [2021-03-12 18:30:28,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:30:28,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825596047] [2021-03-12 18:30:28,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:30:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:30:32,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2115 backedges. 728 proven. 897 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2021-03-12 18:30:32,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825596047] [2021-03-12 18:30:32,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544132865] [2021-03-12 18:30:32,001 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:30:32,178 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2021-03-12 18:30:32,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:30:32,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 34 conjunts are in the unsatisfiable core [2021-03-12 18:30:32,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:30:34,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2115 backedges. 834 proven. 62 refuted. 0 times theorem prover too weak. 1219 trivial. 0 not checked. [2021-03-12 18:30:34,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:30:34,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 22] total 90 [2021-03-12 18:30:34,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270855371] [2021-03-12 18:30:34,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 91 states [2021-03-12 18:30:34,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:30:34,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2021-03-12 18:30:34,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1570, Invalid=6620, Unknown=0, NotChecked=0, Total=8190 [2021-03-12 18:30:34,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:30:34,304 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:30:34,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 91 states, 91 states have (on average 2.758241758241758) internal successors, (251), 90 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) [2021-03-12 18:30:34,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:30:34,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:30:34,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:30:34,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:30:34,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:30:34,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:30:34,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:30:34,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:30:34,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:30:34,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:30:34,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:30:34,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:30:34,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2021-03-12 18:30:34,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-03-12 18:30:34,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 18:30:34,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 326 states. [2021-03-12 18:30:34,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2021-03-12 18:30:34,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 504 states. [2021-03-12 18:30:34,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:30:49,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 326 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2021-03-12 18:30:49,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 504 states. [2021-03-12 18:30:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-03-12 18:30:49,530 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:30:49,530 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:30:49,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:30:49,531 INFO L82 PathProgramCache]: Analyzing trace with hash -515042061, now seen corresponding path program 19 times [2021-03-12 18:30:49,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:30:49,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515326030] [2021-03-12 18:30:49,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:30:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:30:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 7343 backedges. 1384 proven. 2253 refuted. 0 times theorem prover too weak. 3706 trivial. 0 not checked. [2021-03-12 18:30:51,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515326030] [2021-03-12 18:30:51,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586652113] [2021-03-12 18:30:51,147 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:30:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:30:51,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 49 conjunts are in the unsatisfiable core [2021-03-12 18:30:51,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:30:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 7343 backedges. 2320 proven. 738 refuted. 0 times theorem prover too weak. 4285 trivial. 0 not checked. [2021-03-12 18:30:55,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:30:55,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 48] total 94 [2021-03-12 18:30:55,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657380522] [2021-03-12 18:30:55,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 95 states [2021-03-12 18:30:55,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:30:55,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2021-03-12 18:30:55,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1497, Invalid=7433, Unknown=0, NotChecked=0, Total=8930 [2021-03-12 18:30:55,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:30:55,835 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:30:55,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 95 states, 95 states have (on average 3.0842105263157893) internal successors, (293), 94 states have internal predecessors, (293), 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) [2021-03-12 18:30:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:30:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:30:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:30:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:30:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:30:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:30:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:30:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:30:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:30:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:30:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:30:55,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:30:55,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2021-03-12 18:30:55,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-03-12 18:30:55,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 18:30:55,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 326 states. [2021-03-12 18:30:55,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2021-03-12 18:30:55,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 504 states. [2021-03-12 18:30:55,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-03-12 18:30:55,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:31:02,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:31:02,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:31:02,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:31:02,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:31:02,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:31:02,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:31:02,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:31:02,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:31:02,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:31:02,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:31:02,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:31:02,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:31:02,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2021-03-12 18:31:02,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-03-12 18:31:02,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-03-12 18:31:02,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 326 states. [2021-03-12 18:31:02,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2021-03-12 18:31:02,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 504 states. [2021-03-12 18:31:02,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-03-12 18:31:02,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 18:31:02,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:31:02,626 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:31:02,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:31:02,627 INFO L82 PathProgramCache]: Analyzing trace with hash -2128566257, now seen corresponding path program 20 times [2021-03-12 18:31:02,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:31:02,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360646652] [2021-03-12 18:31:02,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:31:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:31:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 8583 backedges. 4021 proven. 2854 refuted. 0 times theorem prover too weak. 1708 trivial. 0 not checked. [2021-03-12 18:31:04,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360646652] [2021-03-12 18:31:04,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57399369] [2021-03-12 18:31:04,603 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 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 [2021-03-12 18:31:04,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 18:31:04,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:31:04,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 48 conjunts are in the unsatisfiable core [2021-03-12 18:31:04,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:31:07,494 INFO L134 CoverageAnalysis]: Checked inductivity of 8583 backedges. 2461 proven. 484 refuted. 0 times theorem prover too weak. 5638 trivial. 0 not checked. [2021-03-12 18:31:07,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:31:07,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 26] total 76 [2021-03-12 18:31:07,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82626057] [2021-03-12 18:31:07,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 77 states [2021-03-12 18:31:07,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:31:07,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2021-03-12 18:31:07,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1375, Invalid=4477, Unknown=0, NotChecked=0, Total=5852 [2021-03-12 18:31:07,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:31:07,496 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:31:07,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 77 states, 77 states have (on average 4.207792207792208) internal successors, (324), 76 states have internal predecessors, (324), 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) [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 326 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 504 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 18:31:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2021-03-12 18:42:20,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-03-12 18:42:20,162 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-12 18:42:20,179 WARN L224 ceAbstractionStarter]: Timeout [2021-03-12 18:42:20,180 INFO L202 PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 06:42:20 BasicIcfg [2021-03-12 18:42:20,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 18:42:20,181 INFO L168 Benchmark]: Toolchain (without parser) took 845407.10 ms. Allocated memory was 255.9 MB in the beginning and 4.0 GB in the end (delta: 3.7 GB). Free memory was 236.3 MB in the beginning and 1.1 GB in the end (delta: -833.6 MB). Peak memory consumption was 2.9 GB. Max. memory is 16.0 GB. [2021-03-12 18:42:20,181 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.4 MB in the end (delta: 181.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 18:42:20,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.81 ms. Allocated memory is still 255.9 MB. Free memory was 235.9 MB in the beginning and 234.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 18:42:20,182 INFO L168 Benchmark]: Boogie Preprocessor took 12.44 ms. Allocated memory is still 255.9 MB. Free memory was 234.3 MB in the beginning and 233.4 MB in the end (delta: 908.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 18:42:20,187 INFO L168 Benchmark]: RCFGBuilder took 275.88 ms. Allocated memory is still 255.9 MB. Free memory was 233.2 MB in the beginning and 233.9 MB in the end (delta: -668.7 kB). Peak memory consumption was 18.5 MB. Max. memory is 16.0 GB. [2021-03-12 18:42:20,187 INFO L168 Benchmark]: TraceAbstraction took 845050.47 ms. Allocated memory was 255.9 MB in the beginning and 4.0 GB in the end (delta: 3.7 GB). Free memory was 233.3 MB in the beginning and 1.1 GB in the end (delta: -836.6 MB). Peak memory consumption was 2.9 GB. Max. memory is 16.0 GB. [2021-03-12 18:42:20,187 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 0.18 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.4 MB in the end (delta: 181.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 41.81 ms. Allocated memory is still 255.9 MB. Free memory was 235.9 MB in the beginning and 234.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.44 ms. Allocated memory is still 255.9 MB. Free memory was 234.3 MB in the beginning and 233.4 MB in the end (delta: 908.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 275.88 ms. Allocated memory is still 255.9 MB. Free memory was 233.2 MB in the beginning and 233.9 MB in the end (delta: -668.7 kB). Peak memory consumption was 18.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 845050.47 ms. Allocated memory was 255.9 MB in the beginning and 4.0 GB in the end (delta: 3.7 GB). Free memory was 233.3 MB in the beginning and 1.1 GB in the end (delta: -836.6 MB). Peak memory consumption was 2.9 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2373380, positive: 2187980, positive conditional: 2187980, positive unconditional: 0, negative: 185400, negative conditional: 185400, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2190344, positive: 2187980, positive conditional: 2187980, positive unconditional: 0, negative: 2364, negative conditional: 2364, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2190344, positive: 2073937, positive conditional: 0, positive unconditional: 2073937, negative: 116407, negative conditional: 0, negative unconditional: 116407, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 168, positive: 164, positive conditional: 0, positive unconditional: 164, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 168, positive: 157, positive conditional: 0, positive unconditional: 157, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2190344, positive: 2073773, positive conditional: 0, positive unconditional: 2073773, negative: 116403, negative conditional: 0, negative unconditional: 116403, unknown: 168, unknown conditional: 0, unknown unconditional: 168] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049, SemanticConditionEliminator.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 497406, positive: 114043, positive conditional: 114043, positive unconditional: 0, negative: 383363, negative conditional: 200314, negative unconditional: 183049, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 611, positive: 264, positive conditional: 257, positive unconditional: 7, negative: 347, negative conditional: 343, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2459, positive: 1002, positive conditional: 938, positive unconditional: 64, negative: 1458, negative conditional: 1382, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 497406, positive: 113786, positive conditional: 113786, positive unconditional: 0, negative: 383020, negative conditional: 199971, negative unconditional: 183049, unknown: 600, unknown conditional: 600, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 768, Positive cache size: 421, Positive conditional cache size: 257, Positive unconditional cache size: 164, Negative cache size: 347, Negative conditional cache size: 343, Negative unconditional cache size: 4, Eliminated conditions: 183049 ], Maximal queried relation: 21, Independence queries for same thread: 183036 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 82). Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1314 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 844965.8ms, OverallIterations: 21, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.1ms, PartialOrderReductionTime: 800035.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3243, 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: 240.8ms SsaConstructionTime, 1603.5ms SatisfiabilityAnalysisTime, 38529.7ms InterpolantComputationTime, 5483 NumberOfCodeBlocks, 5468 NumberOfCodeBlocksAsserted, 178 NumberOfCheckSat, 5443 ConstructedInterpolants, 0 QuantifiedInterpolants, 33923 SizeOfPredicates, 37 NumberOfNonLiveVariables, 7251 ConjunctsInSsa, 560 ConjunctsInUnsatCore, 40 InterpolantComputations, 3 PerfectInterpolantSequences, 40331/54856 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown