/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-bad/counter-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 18:11:01,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 18:11:01,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 18:11:01,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 18:11:01,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 18:11:01,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 18:11:01,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 18:11:01,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 18:11:01,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 18:11:01,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 18:11:01,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 18:11:01,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 18:11:01,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 18:11:01,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 18:11:01,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 18:11:01,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 18:11:01,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 18:11:01,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 18:11:01,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 18:11:01,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 18:11:01,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 18:11:01,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 18:11:01,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 18:11:01,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 18:11:01,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 18:11:01,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 18:11:01,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 18:11:01,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 18:11:01,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 18:11:01,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 18:11:01,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 18:11:01,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 18:11:01,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 18:11:01,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 18:11:01,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 18:11:01,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 18:11:01,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 18:11:01,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 18:11:01,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 18:11:01,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 18:11:01,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 18:11:01,309 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 18:11:01,335 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 18:11:01,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 18:11:01,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 18:11:01,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 18:11:01,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 18:11:01,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 18:11:01,337 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 18:11:01,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 18:11:01,337 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 18:11:01,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 18:11:01,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 18:11:01,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 18:11:01,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 18:11:01,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 18:11:01,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 18:11:01,338 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 18:11:01,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 18:11:01,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 18:11:01,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 18:11:01,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 18:11:01,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 18:11:01,339 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 18:11:01,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 18:11:01,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 18:11:01,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 18:11:01,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 18:11:01,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 18:11:01,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 18:11:01,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 18:11:01,340 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 18:11:01,340 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 18:11:01,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 18:11:01,341 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 18:11:01,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 18:11:01,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 18:11:01,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 18:11:01,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 18:11:01,644 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 18:11:01,649 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 18:11:01,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl [2021-03-12 18:11:01,660 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/counter-queue.wvr.bpl' [2021-03-12 18:11:01,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 18:11:01,701 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 18:11:01,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 18:11:01,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 18:11:01,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 18:11:01,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:01" (1/1) ... [2021-03-12 18:11:01,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:01" (1/1) ... [2021-03-12 18:11:01,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 18:11:01,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 18:11:01,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 18:11:01,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 18:11:01,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:01" (1/1) ... [2021-03-12 18:11:01,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:01" (1/1) ... [2021-03-12 18:11:01,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:01" (1/1) ... [2021-03-12 18:11:01,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:01" (1/1) ... [2021-03-12 18:11:01,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:01" (1/1) ... [2021-03-12 18:11:01,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:01" (1/1) ... [2021-03-12 18:11:01,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:01" (1/1) ... [2021-03-12 18:11:01,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 18:11:01,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 18:11:01,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 18:11:01,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 18:11:01,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:01" (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 18:11:01,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 18:11:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 18:11:01,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 18:11:01,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 18:11:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 18:11:01,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 18:11:01,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 18:11:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 18:11:01,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 18:11:01,796 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 18:11:02,009 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 18:11:02,009 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 18:11:02,011 INFO L202 PluginConnector]: Adding new model counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 06:11:02 BoogieIcfgContainer [2021-03-12 18:11:02,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 18:11:02,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 18:11:02,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 18:11:02,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 18:11:02,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:11:01" (1/2) ... [2021-03-12 18:11:02,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54242abc and model type counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 06:11:02, skipping insertion in model container [2021-03-12 18:11:02,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 06:11:02" (2/2) ... [2021-03-12 18:11:02,032 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-queue.wvr.bpl [2021-03-12 18:11:02,036 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 18:11:02,037 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 18:11:02,040 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 18:11:02,041 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 18:11:02,091 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-12 18:11:02,107 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 18:11:02,239 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 18:11:02,240 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 18:11:02,240 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 18:11:02,240 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 18:11:02,240 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 18:11:02,240 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 18:11:02,240 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 18:11:02,240 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 18:11:02,343 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:11:02,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:11:02,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1635099045, now seen corresponding path program 1 times [2021-03-12 18:11:02,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:11:02,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061571427] [2021-03-12 18:11:02,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:11:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:02,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:02,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061571427] [2021-03-12 18:11:02,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 18:11:02,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 18:11:02,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749849321] [2021-03-12 18:11:02,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 18:11:02,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:11:02,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 18:11:02,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 18:11:02,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:02,496 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:11:02,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 18:11:02,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:02,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:02,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 18:11:02,511 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:11:02,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:11:02,512 INFO L82 PathProgramCache]: Analyzing trace with hash 2119693475, now seen corresponding path program 1 times [2021-03-12 18:11:02,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:11:02,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016432290] [2021-03-12 18:11:02,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:11:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:02,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:02,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016432290] [2021-03-12 18:11:02,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391410365] [2021-03-12 18:11:02,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:02,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-12 18:11:02,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:11:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:02,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:11:02,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-03-12 18:11:02,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898206715] [2021-03-12 18:11:02,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-12 18:11:02,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:11:02,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-12 18:11:02,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-03-12 18:11:02,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:02,742 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:11:02,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 9 states have internal predecessors, (25), 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 18:11:02,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:02,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:02,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:03,079 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:03,080 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:11:03,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:11:03,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1624375643, now seen corresponding path program 1 times [2021-03-12 18:11:03,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:11:03,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774744433] [2021-03-12 18:11:03,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:11:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:03,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:03,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774744433] [2021-03-12 18:11:03,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476285241] [2021-03-12 18:11:03,246 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 18:11:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:03,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 18:11:03,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:11:03,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:03,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-03-12 18:11:03,464 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:11:03,469 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:11:03,487 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 18:11:03,487 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:7 [2021-03-12 18:11:03,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:03,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:11:03,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-03-12 18:11:03,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955754666] [2021-03-12 18:11:03,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 18:11:03,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:11:03,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 18:11:03,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-12 18:11:03,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:03,524 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:11:03,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 18:11:03,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:03,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:03,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:03,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:03,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:03,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 18:11:03,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:03,783 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:11:03,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:11:03,784 INFO L82 PathProgramCache]: Analyzing trace with hash 210936483, now seen corresponding path program 2 times [2021-03-12 18:11:03,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:11:03,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684302969] [2021-03-12 18:11:03,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:11:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:03,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:03,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684302969] [2021-03-12 18:11:03,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780728560] [2021-03-12 18:11:03,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 18:11:03,909 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 18:11:03,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:11:03,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 18:11:03,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:04,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:04,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:11:04,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2021-03-12 18:11:04,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246392818] [2021-03-12 18:11:04,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-12 18:11:04,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:11:04,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-12 18:11:04,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-03-12 18:11:04,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:04,072 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:11:04,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.357142857142857) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 18:11:04,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:04,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:04,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 18:11:04,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 18:11:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:04,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:04,463 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:11:04,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:11:04,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1988809563, now seen corresponding path program 3 times [2021-03-12 18:11:04,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:11:04,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326983867] [2021-03-12 18:11:04,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:11:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:04,623 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:04,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326983867] [2021-03-12 18:11:04,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941514972] [2021-03-12 18:11:04,624 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:04,648 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 18:11:04,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:11:04,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 18:11:04,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:11:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:05,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:05,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:05,039 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:11:05,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 27 [2021-03-12 18:11:05,058 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-12 18:11:05,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:11:05,099 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 18:11:05,100 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:55, output treesize:24 [2021-03-12 18:11:05,151 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:05,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:11:05,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 15 [2021-03-12 18:11:05,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486207012] [2021-03-12 18:11:05,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-03-12 18:11:05,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:11:05,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-03-12 18:11:05,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-03-12 18:11:05,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:05,163 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:11:05,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 2.3125) internal successors, (37), 15 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 18:11:05,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:05,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:05,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 18:11:05,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:05,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 18:11:05,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:05,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:05,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:05,596 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:11:05,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:11:05,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1839673567, now seen corresponding path program 4 times [2021-03-12 18:11:05,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:11:05,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981953259] [2021-03-12 18:11:05,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:11:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:05,710 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:05,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981953259] [2021-03-12 18:11:05,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755221676] [2021-03-12 18:11:05,712 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:05,753 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 18:11:05,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:11:05,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-12 18:11:05,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:11:05,953 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:05,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:11:05,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2021-03-12 18:11:05,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113070841] [2021-03-12 18:11:05,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-12 18:11:05,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:11:05,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-12 18:11:05,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2021-03-12 18:11:05,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:05,956 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:11:05,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.25) internal successors, (45), 19 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 18:11:05,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:05,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:05,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 18:11:05,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:05,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:05,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 18:11:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:11:06,480 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:06,480 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:11:06,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:11:06,480 INFO L82 PathProgramCache]: Analyzing trace with hash -40043611, now seen corresponding path program 5 times [2021-03-12 18:11:06,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:11:06,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817444609] [2021-03-12 18:11:06,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:11:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:06,939 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:06,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817444609] [2021-03-12 18:11:06,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557414418] [2021-03-12 18:11:06,940 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 18:11:06,977 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-12 18:11:06,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:11:06,978 WARN L261 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 35 conjunts are in the unsatisfiable core Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:06,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:11:07,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:07,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:07,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:07,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:07,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:07,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:07,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:07,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:07,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:07,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:07,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:07,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 7 [2021-03-12 18:11:07,398 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:11:07,404 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:11:07,405 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 18:11:07,405 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:7 [2021-03-12 18:11:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:07,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:11:07,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 24 [2021-03-12 18:11:07,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076693267] [2021-03-12 18:11:07,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 18:11:07,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:11:07,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 18:11:07,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2021-03-12 18:11:07,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:07,435 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:11:07,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.12) internal successors, (53), 24 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 18:11:07,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:07,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:07,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 18:11:07,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:07,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:07,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:11:07,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 18:11:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:11:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 18:11:08,607 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-03-12 18:11:08,608 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:11:08,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:11:08,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1812733093, now seen corresponding path program 6 times [2021-03-12 18:11:08,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:11:08,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565217984] [2021-03-12 18:11:08,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:11:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:09,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565217984] [2021-03-12 18:11:09,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26198496] [2021-03-12 18:11:09,147 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:09,190 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-03-12 18:11:09,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:11:09,191 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 47 conjunts are in the unsatisfiable core [2021-03-12 18:11:09,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:11:10,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:10,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:10,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:10,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:10,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:10,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:10,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:10,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:10,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:10,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:10,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:10,197 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:10,231 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:11:10,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 81 treesize of output 95 [2021-03-12 18:11:10,280 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-12 18:11:10,331 INFO L628 ElimStorePlain]: treesize reduction 280, result has 11.1 percent of original size [2021-03-12 18:11:10,346 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 18:11:10,346 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:103, output treesize:22 [2021-03-12 18:11:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:10,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:11:10,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 33 [2021-03-12 18:11:10,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626625828] [2021-03-12 18:11:10,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-03-12 18:11:10,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:11:10,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-03-12 18:11:10,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2021-03-12 18:11:10,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:10,431 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:11:10,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.7941176470588236) internal successors, (61), 33 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 18:11:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:10,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:10,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 18:11:10,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:10,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:10,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:11:10,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-12 18:11:10,432 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:12,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:12,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:12,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 18:11:12,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:12,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:12,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:11:12,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 18:11:12,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 18:11:12,315 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-03-12 18:11:12,315 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:11:12,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:11:12,316 INFO L82 PathProgramCache]: Analyzing trace with hash -668528987, now seen corresponding path program 7 times [2021-03-12 18:11:12,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:11:12,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605600121] [2021-03-12 18:11:12,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:11:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:12,822 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:12,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605600121] [2021-03-12 18:11:12,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152509564] [2021-03-12 18:11:12,823 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:12,852 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 51 conjunts are in the unsatisfiable core [2021-03-12 18:11:12,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:11:13,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:13,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:13,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,518 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:13,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:13,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:13,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:13,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:13,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 7 [2021-03-12 18:11:13,528 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:11:13,533 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:11:13,535 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 18:11:13,535 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:107, output treesize:7 [2021-03-12 18:11:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:13,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:11:13,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 32 [2021-03-12 18:11:13,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851254150] [2021-03-12 18:11:13,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-03-12 18:11:13,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:11:13,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-03-12 18:11:13,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2021-03-12 18:11:13,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:13,563 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:11:13,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 2.090909090909091) internal successors, (69), 32 states have internal predecessors, (69), 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 18:11:13,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:13,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:13,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 18:11:13,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:13,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:13,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:11:13,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-12 18:11:13,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 18:11:13,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:15,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:15,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:15,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 18:11:15,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:15,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:15,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:11:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 18:11:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 18:11:15,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 18:11:15,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:15,244 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:11:15,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:11:15,244 INFO L82 PathProgramCache]: Analyzing trace with hash 2110591397, now seen corresponding path program 8 times [2021-03-12 18:11:15,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:11:15,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861106618] [2021-03-12 18:11:15,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:11:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:15,815 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 16 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:15,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861106618] [2021-03-12 18:11:15,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531539916] [2021-03-12 18:11:15,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:15,846 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 18:11:15,846 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:11:15,847 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 59 conjunts are in the unsatisfiable core [2021-03-12 18:11:15,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:11:16,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:16,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:16,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:16,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:16,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:16,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:16,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:16,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 7 [2021-03-12 18:11:16,632 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 18:11:16,638 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:11:16,639 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 18:11:16,639 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:123, output treesize:7 [2021-03-12 18:11:16,664 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:16,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:11:16,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18] total 36 [2021-03-12 18:11:16,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898763320] [2021-03-12 18:11:16,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-03-12 18:11:16,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:11:16,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-03-12 18:11:16,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1192, Unknown=0, NotChecked=0, Total=1332 [2021-03-12 18:11:16,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:16,666 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:11:16,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.081081081081081) internal successors, (77), 36 states have internal predecessors, (77), 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 18:11:16,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:16,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:16,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-03-12 18:11:16,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:16,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:16,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:11:16,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-03-12 18:11:16,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 18:11:16,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-03-12 18:11:16,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:11:18,131 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2021-03-12 18:11:18,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:11:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 18:11:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-12 18:11:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:11:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:11:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 18:11:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 18:11:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-03-12 18:11:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 18:11:18,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:18,905 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:11:18,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:11:18,905 INFO L82 PathProgramCache]: Analyzing trace with hash -900897371, now seen corresponding path program 9 times [2021-03-12 18:11:18,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:11:18,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463745091] [2021-03-12 18:11:18,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:11:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:11:19,623 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 25 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:11:19,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463745091] [2021-03-12 18:11:19,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697356523] [2021-03-12 18:11:19,623 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:11:19,664 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-03-12 18:11:19,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:11:19,665 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 71 conjunts are in the unsatisfiable core [2021-03-12 18:11:19,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:11:24,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:24,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:24,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:24,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:11:24,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:11:24,456 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2021-03-12 18:11:24,456 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:11:24,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 24 disjoint index pairs (out of 120 index pairs), introduced 12 new quantified variables, introduced 74 case distinctions, treesize of input 141 treesize of output 487 [2021-03-12 18:11:26,466 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 422 [2021-03-12 18:11:26,587 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 530 [2021-03-12 18:11:26,722 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 675 [2021-03-12 18:11:26,858 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 688 DAG size of output: 707 [2021-03-12 18:11:28,557 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 675 [2021-03-12 18:11:28,678 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 843 [2021-03-12 18:11:29,395 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 1079 DAG size of output: 1083 [2021-03-12 18:11:29,713 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1537 [2021-03-12 18:11:30,032 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 1517 DAG size of output: 1537 [2021-03-12 18:11:30,407 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 1528 DAG size of output: 1548 [2021-03-12 18:11:30,770 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 1533 [2021-03-12 18:11:30,936 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 1093 [2021-03-12 18:11:31,239 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 905 [2021-03-12 18:11:31,388 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 684 DAG size of output: 898 [2021-03-12 18:11:31,582 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 839 [2021-03-12 18:11:34,536 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 3304 DAG size of output: 2750 [2021-03-12 18:11:35,089 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 3643 DAG size of output: 3108 [2021-03-12 18:11:35,733 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 3980 DAG size of output: 3430 [2021-03-12 18:11:36,738 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 1130 DAG size of output: 1028 [2021-03-12 18:11:36,927 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1319 DAG size of output: 1225 [2021-03-12 18:11:37,105 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1490 DAG size of output: 1392 [2021-03-12 18:11:37,320 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 1687 DAG size of output: 1594 [2021-03-12 18:11:38,240 WARN L205 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 5107 DAG size of output: 4480 [2021-03-12 18:11:39,098 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 747 DAG size of output: 717 [2021-03-12 18:11:39,706 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 1028 [2021-03-12 18:11:39,921 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1200 [2021-03-12 18:11:40,748 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 1496 DAG size of output: 1427 [2021-03-12 18:11:42,036 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 6251 DAG size of output: 5555 [2021-03-12 18:11:43,582 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 6269 DAG size of output: 5573 [2021-03-12 18:11:43,890 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 958 [2021-03-12 18:11:44,161 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 1142 [2021-03-12 18:11:44,354 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 842 [2021-03-12 18:11:44,519 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 703 [2021-03-12 18:11:44,669 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 803 [2021-03-12 18:11:44,810 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 603 [2021-03-12 18:11:45,159 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 802 [2021-03-12 18:11:46,645 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1587 DAG size of output: 1528 [2021-03-12 18:11:47,015 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 2039 DAG size of output: 2006 [2021-03-12 18:11:47,503 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 2323 DAG size of output: 2289 [2021-03-12 18:11:48,089 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 2614 DAG size of output: 2596 [2021-03-12 18:11:48,238 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 595 [2021-03-12 18:11:50,744 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 994 DAG size of output: 979 [2021-03-12 18:11:52,862 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 742 [2021-03-12 18:11:53,138 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 1290 DAG size of output: 1239 [2021-03-12 18:11:53,615 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 2522 DAG size of output: 2461 [2021-03-12 18:11:54,449 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 2870 DAG size of output: 2831 [2021-03-12 18:11:55,305 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 3148 DAG size of output: 3120 [2021-03-12 18:11:56,805 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 4726 DAG size of output: 4684 [2021-03-12 18:11:57,053 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 658 [2021-03-12 18:11:59,439 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 903 [2021-03-12 18:11:59,647 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1415 DAG size of output: 1388 [2021-03-12 18:11:59,916 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 1987 DAG size of output: 1948 [2021-03-12 18:12:00,279 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 2293 DAG size of output: 2253 [2021-03-12 18:12:01,242 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 3243 DAG size of output: 3084 [2021-03-12 18:12:03,569 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 6769 DAG size of output: 6528 [2021-03-12 18:12:03,720 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 711 [2021-03-12 18:12:04,110 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 679 [2021-03-12 18:12:05,317 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 1024 DAG size of output: 999 [2021-03-12 18:12:06,603 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 1025 DAG size of output: 1006 [2021-03-12 18:12:07,527 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 1430 [2021-03-12 18:12:07,923 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 2207 DAG size of output: 2121 [2021-03-12 18:12:08,985 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 905 DAG size of output: 877 [2021-03-12 18:12:09,511 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 2701 DAG size of output: 2588 [2021-03-12 18:12:10,497 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 3959 DAG size of output: 3562 [2021-03-12 18:12:13,971 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 10160 DAG size of output: 9467 [2021-03-12 18:12:17,803 WARN L205 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 10430 DAG size of output: 9744 [2021-03-12 18:12:23,479 WARN L205 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 15653 DAG size of output: 14304 [2021-03-12 18:12:29,191 WARN L205 SmtUtils]: Spent 5.64 s on a formula simplification. DAG size of input: 15653 DAG size of output: 14304 [2021-03-12 18:12:35,103 WARN L205 SmtUtils]: Spent 5.76 s on a formula simplification. DAG size of input: 15657 DAG size of output: 14308 [2021-03-12 18:12:39,766 WARN L205 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 14308 DAG size of output: 13917 [2021-03-12 18:12:42,357 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 5414 DAG size of output: 7882 [2021-03-12 18:12:44,515 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 4584 DAG size of output: 5931 [2021-03-12 18:12:46,535 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 4441 DAG size of output: 6515 [2021-03-12 18:12:48,290 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 3883 DAG size of output: 5838 [2021-03-12 18:12:49,673 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 3067 DAG size of output: 4145 [2021-03-12 18:12:50,282 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 2875 DAG size of output: 2857 [2021-03-12 18:12:50,448 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 940 [2021-03-12 18:12:52,319 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 940 [2021-03-12 18:12:52,808 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 1386 DAG size of output: 1202 [2021-03-12 18:12:53,121 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 1887 DAG size of output: 1606 [2021-03-12 18:12:53,497 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 2148 DAG size of output: 1886 [2021-03-12 18:12:53,983 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 2840 [2021-03-12 18:12:54,268 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 2090 [2021-03-12 18:12:54,451 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 1189 [2021-03-12 18:12:54,640 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 946 [2021-03-12 18:12:55,899 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 1015 [2021-03-12 18:12:56,084 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 1594 DAG size of output: 1525 [2021-03-12 18:12:56,363 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 2048 DAG size of output: 1945 [2021-03-12 18:12:56,547 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 1520 [2021-03-12 18:12:56,662 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2021-03-12 18:12:59,346 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1817 DAG size of output: 1498 [2021-03-12 18:12:59,776 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 2416 DAG size of output: 2145 [2021-03-12 18:13:02,309 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 1351 DAG size of output: 1208 [2021-03-12 18:13:02,863 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 3980 DAG size of output: 3586 [2021-03-12 18:13:03,765 WARN L205 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 5535 DAG size of output: 5044 [2021-03-12 18:13:04,085 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 1398 [2021-03-12 18:13:04,225 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 891 DAG size of output: 891 [2021-03-12 18:13:05,457 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 1196 DAG size of output: 1143 [2021-03-12 18:13:08,423 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1821 DAG size of output: 1702 [2021-03-12 18:13:08,812 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 2704 DAG size of output: 2539 [2021-03-12 18:13:09,327 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 3174 DAG size of output: 2934 [2021-03-12 18:13:10,836 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 8127 DAG size of output: 7385 [2021-03-12 18:13:12,861 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 8478 DAG size of output: 7727 [2021-03-12 18:13:15,584 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 10461 DAG size of output: 9717 [2021-03-12 18:13:19,211 WARN L205 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 13280 DAG size of output: 12288 [2021-03-12 18:13:23,982 WARN L205 SmtUtils]: Spent 4.70 s on a formula simplification. DAG size of input: 16464 DAG size of output: 15458 [2021-03-12 18:13:29,955 WARN L205 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 19634 DAG size of output: 18616 [2021-03-12 18:13:37,575 WARN L205 SmtUtils]: Spent 7.50 s on a formula simplification. DAG size of input: 23919 DAG size of output: 22472 [2021-03-12 18:13:43,519 WARN L205 SmtUtils]: Spent 5.81 s on a formula simplification. DAG size of input: 9504 DAG size of output: 11647 [2021-03-12 18:13:46,282 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 9446 DAG size of output: 9446 [2021-03-12 18:13:47,146 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 2524 DAG size of output: 3186 [2021-03-12 18:13:47,855 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 972 DAG size of output: 951 [2021-03-12 18:13:49,547 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 685 [2021-03-12 18:13:50,548 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1322 DAG size of output: 1255 [2021-03-12 18:13:51,777 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 5396 DAG size of output: 4973 [2021-03-12 18:13:53,385 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 978 DAG size of output: 1170 [2021-03-12 18:13:53,494 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 844 DAG size of output: 830 [2021-03-12 18:13:54,429 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 588 DAG size of output: 774 [2021-03-12 18:13:55,313 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1011 [2021-03-12 18:13:55,646 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 2007 DAG size of output: 1914 [2021-03-12 18:13:56,053 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 2531 DAG size of output: 2441 [2021-03-12 18:13:56,677 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 713 [2021-03-12 18:13:56,799 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 643 [2021-03-12 18:13:58,759 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 1387 DAG size of output: 1295 [2021-03-12 18:13:59,077 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 1613 DAG size of output: 1522 [2021-03-12 18:14:00,288 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 512 DAG size of output: 509 [2021-03-12 18:14:00,989 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 1132 DAG size of output: 1102 [2021-03-12 18:14:01,674 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 2429 DAG size of output: 2309 [2021-03-12 18:14:02,617 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 2996 DAG size of output: 4045 [2021-03-12 18:14:02,775 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 716 DAG size of output: 909 [2021-03-12 18:14:03,664 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1274 DAG size of output: 1236 [2021-03-12 18:14:03,907 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 1709 DAG size of output: 1652 [2021-03-12 18:14:04,024 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 991 DAG size of output: 991 [2021-03-12 18:14:06,291 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 1488 DAG size of output: 1473 [2021-03-12 18:14:06,427 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 797 [2021-03-12 18:14:06,550 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 529 DAG size of output: 768 [2021-03-12 18:14:07,339 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 1282 DAG size of output: 1199 [2021-03-12 18:14:07,614 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 1475 DAG size of output: 1391 [2021-03-12 18:14:08,939 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 6551 DAG size of output: 6162 [2021-03-12 18:14:10,423 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 3491 DAG size of output: 5289 [2021-03-12 18:14:13,090 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 1094 DAG size of output: 1094 [2021-03-12 18:14:14,159 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 841 [2021-03-12 18:14:14,315 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 906 [2021-03-12 18:14:15,289 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 740 [2021-03-12 18:14:18,105 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 975 DAG size of output: 949 [2021-03-12 18:14:18,291 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 1337 DAG size of output: 1295 [2021-03-12 18:14:18,548 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 1655 DAG size of output: 1611 [2021-03-12 18:14:18,966 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 2285 DAG size of output: 2226 [2021-03-12 18:14:19,151 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 801 DAG size of output: 1043 [2021-03-12 18:14:19,574 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 717 [2021-03-12 18:14:20,571 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 1275 DAG size of output: 1180 [2021-03-12 18:14:21,189 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 1847 DAG size of output: 1731 [2021-03-12 18:14:21,559 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 2331 DAG size of output: 2192 [2021-03-12 18:14:23,548 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 9561 DAG size of output: 8891 [2021-03-12 18:14:23,813 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 1044 [2021-03-12 18:14:23,954 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 717 [2021-03-12 18:14:24,933 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 940 [2021-03-12 18:14:25,094 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 823 [2021-03-12 18:14:26,193 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 742 DAG size of output: 718 [2021-03-12 18:14:27,569 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 949 DAG size of output: 947 [2021-03-12 18:14:27,828 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1484 DAG size of output: 1457 [2021-03-12 18:14:27,990 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 718 [2021-03-12 18:14:29,805 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 861 [2021-03-12 18:14:30,034 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1216 DAG size of output: 1207 [2021-03-12 18:14:30,522 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 2422 DAG size of output: 2384 [2021-03-12 18:14:31,654 WARN L205 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 3257 DAG size of output: 3232 [2021-03-12 18:14:32,536 WARN L205 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 3693 DAG size of output: 3672 [2021-03-12 18:14:40,830 WARN L205 SmtUtils]: Spent 8.24 s on a formula simplification. DAG size of input: 26711 DAG size of output: 24900 [2021-03-12 18:14:52,572 WARN L205 SmtUtils]: Spent 11.58 s on a formula simplification. DAG size of input: 31609 DAG size of output: 29710 [2021-03-12 18:15:12,973 WARN L205 SmtUtils]: Spent 20.19 s on a formula simplification. DAG size of input: 52686 DAG size of output: 49416 [2021-03-12 18:15:33,568 WARN L205 SmtUtils]: Spent 20.26 s on a formula simplification. DAG size of input: 52686 DAG size of output: 49416 [2021-03-12 18:15:54,782 WARN L205 SmtUtils]: Spent 20.73 s on a formula simplification. DAG size of input: 52689 DAG size of output: 49419 [2021-03-12 18:16:33,059 WARN L205 SmtUtils]: Spent 37.87 s on a formula simplification. DAG size of input: 49421 DAG size of output: 69661 [2021-03-12 18:16:35,584 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 4322 DAG size of output: 6189 [2021-03-12 18:16:37,742 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 4300 DAG size of output: 6239 [2021-03-12 18:16:38,660 WARN L205 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 3741 DAG size of output: 3590 [2021-03-12 18:16:38,871 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 835 [2021-03-12 18:16:41,851 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 1663 DAG size of output: 1541 [2021-03-12 18:16:42,145 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 2258 DAG size of output: 2121 [2021-03-12 18:16:42,516 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 2606 DAG size of output: 2456 [2021-03-12 18:16:43,846 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1040 DAG size of output: 949 [2021-03-12 18:16:44,008 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 1131 DAG size of output: 1031 [2021-03-12 18:16:44,632 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 3505 DAG size of output: 3260 [2021-03-12 18:16:46,134 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 3576 DAG size of output: 5163 [2021-03-12 18:16:46,832 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 3312 DAG size of output: 3290 [2021-03-12 18:16:47,742 WARN L205 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 2603 DAG size of output: 3717 [2021-03-12 18:16:48,045 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 2029 DAG size of output: 1909 [2021-03-12 18:16:48,203 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 1406 DAG size of output: 1366 [2021-03-12 18:16:48,428 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1607 [2021-03-12 18:16:50,080 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 2399 DAG size of output: 2097 [2021-03-12 18:16:51,695 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1347 DAG size of output: 1245 [2021-03-12 18:16:52,150 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 3462 DAG size of output: 3083 [2021-03-12 18:16:52,387 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 810 DAG size of output: 1109 [2021-03-12 18:16:54,220 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 1328 DAG size of output: 1253 [2021-03-12 18:16:55,211 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1990 DAG size of output: 1869 [2021-03-12 18:16:55,544 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 2275 DAG size of output: 2112 [2021-03-12 18:16:56,359 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 5137 DAG size of output: 4607 [2021-03-12 18:16:57,649 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 7095 DAG size of output: 6449 [2021-03-12 18:16:57,992 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 931 DAG size of output: 1361 [2021-03-12 18:16:58,141 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 846 [2021-03-12 18:17:00,227 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 1168 DAG size of output: 1072 [2021-03-12 18:17:01,003 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 734 [2021-03-12 18:17:02,691 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1166 DAG size of output: 1027 [2021-03-12 18:17:02,893 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 1359 DAG size of output: 1168 [2021-03-12 18:17:03,402 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 2823 DAG size of output: 2472 [2021-03-12 18:17:04,071 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 3525 DAG size of output: 3168 [2021-03-12 18:17:06,172 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 10054 DAG size of output: 9072 [2021-03-12 18:17:08,926 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 12240 DAG size of output: 10879 [2021-03-12 18:17:12,560 WARN L205 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 13019 DAG size of output: 11611 [2021-03-12 18:17:17,374 WARN L205 SmtUtils]: Spent 4.74 s on a formula simplification. DAG size of input: 16139 DAG size of output: 14386 [2021-03-12 18:17:23,343 WARN L205 SmtUtils]: Spent 5.88 s on a formula simplification. DAG size of input: 18006 DAG size of output: 16073 [2021-03-12 18:17:23,646 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 785 DAG size of output: 1030 [2021-03-12 18:17:24,688 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1574 DAG size of output: 1437 [2021-03-12 18:17:26,227 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 1406 DAG size of output: 1308 [2021-03-12 18:17:27,902 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 533 [2021-03-12 18:17:28,964 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1010 DAG size of output: 1010 [2021-03-12 18:17:30,302 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 651 DAG size of output: 566 [2021-03-12 18:17:31,362 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 2025 DAG size of output: 1692 [2021-03-12 18:17:33,339 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 1408 DAG size of output: 1317 [2021-03-12 18:17:33,565 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 1813 DAG size of output: 1677 [2021-03-12 18:17:33,844 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 868 DAG size of output: 1193 [2021-03-12 18:17:35,714 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 1782 DAG size of output: 1646 [2021-03-12 18:17:36,645 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 976 DAG size of output: 922 [2021-03-12 18:17:36,792 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1056 DAG size of output: 988 [2021-03-12 18:17:38,882 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 1002 [2021-03-12 18:17:40,003 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1600 DAG size of output: 1471 [2021-03-12 18:17:40,132 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 825 [2021-03-12 18:17:41,467 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 1641 DAG size of output: 1576 [2021-03-12 18:17:42,347 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 855 DAG size of output: 801 [2021-03-12 18:17:44,471 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 2868 DAG size of output: 2866 [2021-03-12 18:17:44,631 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 638 DAG size of output: 863 [2021-03-12 18:17:45,825 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 1088 DAG size of output: 974 [2021-03-12 18:17:46,156 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 2486 DAG size of output: 2486 [2021-03-12 18:17:46,289 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 853 [2021-03-12 18:17:47,310 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 1124 DAG size of output: 995 [2021-03-12 18:17:47,555 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 1387 DAG size of output: 1252 [2021-03-12 18:17:47,692 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 796 DAG size of output: 964 [2021-03-12 18:21:35,448 WARN L340 FreeRefinementEngine]: Global settings require throwing the following exception [2021-03-12 18:21:35,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-12 18:21:35,693 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NegativeArraySizeException: -889321144 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildDualFiniteJunction(DualJunctionTir.java:651) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:615) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildBoundConstraint(DualJunctionTir.java:451) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.access$2(DualJunctionTir.java:421) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateConjuncts(DualJunctionTir.java:205) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne(DualJunctionTir.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryExhaustivelyToEliminate(DualJunctionTir.java:125) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminate(DualJunctionTir.java:112) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:862) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:828) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:746) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:383) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:464) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:602) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:404) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:464) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:464) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:464) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:464) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:464) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:464) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:464) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:602) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:404) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyNonSddEliminations(ElimStorePlain.java:714) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:299) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:307) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:100) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-03-12 18:21:35,707 INFO L168 Benchmark]: Toolchain (without parser) took 634008.57 ms. Allocated memory was 255.9 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 236.6 MB in the beginning and 9.3 GB in the end (delta: -9.0 GB). Peak memory consumption was 8.9 GB. Max. memory is 16.0 GB. [2021-03-12 18:21:35,707 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 162.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 18:21:35,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.09 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 18:21:35,707 INFO L168 Benchmark]: Boogie Preprocessor took 11.73 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.8 MB in the end (delta: 925.7 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-12 18:21:35,707 INFO L168 Benchmark]: RCFGBuilder took 275.91 ms. Allocated memory is still 255.9 MB. Free memory was 233.7 MB in the beginning and 238.4 MB in the end (delta: -4.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.0 GB. [2021-03-12 18:21:35,707 INFO L168 Benchmark]: TraceAbstraction took 633693.98 ms. Allocated memory was 255.9 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 237.8 MB in the beginning and 9.3 GB in the end (delta: -9.0 GB). Peak memory consumption was 8.9 GB. Max. memory is 16.0 GB. [2021-03-12 18:21:35,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 162.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 20.09 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 11.73 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.8 MB in the end (delta: 925.7 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 275.91 ms. Allocated memory is still 255.9 MB. Free memory was 233.7 MB in the beginning and 238.4 MB in the end (delta: -4.8 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 633693.98 ms. Allocated memory was 255.9 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 237.8 MB in the beginning and 9.3 GB in the end (delta: -9.0 GB). Peak memory consumption was 8.9 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NegativeArraySizeException: -889321144 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NegativeArraySizeException: -889321144: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildDualFiniteJunction(DualJunctionTir.java:651) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...