/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-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 10:50:32,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 10:50:32,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 10:50:32,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 10:50:32,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 10:50:32,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 10:50:32,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 10:50:32,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 10:50:32,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 10:50:32,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 10:50:32,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 10:50:32,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 10:50:32,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 10:50:32,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 10:50:32,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 10:50:32,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 10:50:32,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 10:50:32,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 10:50:32,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 10:50:32,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 10:50:32,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 10:50:32,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 10:50:32,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 10:50:32,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 10:50:32,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-12 10:50:32,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 10:50:32,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 10:50:32,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 10:50:32,901 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-Delay.epf [2021-03-12 10:50:32,916 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 10:50:32,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 10:50:32,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 10:50:32,917 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 10:50:32,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 10:50:32,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 10:50:32,918 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 10:50:32,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 10:50:32,918 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 10:50:32,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 10:50:32,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 10:50:32,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 10:50:32,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 10:50:32,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 10:50:32,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 10:50:32,919 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 10:50:32,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 10:50:32,919 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 10:50:32,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 10:50:32,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 10:50:32,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 10:50:32,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 10:50:32,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 10:50:32,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 10:50:32,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 10:50:32,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 10:50:32,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 10:50:32,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 10:50:32,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 10:50:32,920 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 10:50:32,921 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 10:50:32,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 10:50:32,921 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 10:50:32,921 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 10:50:33,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 10:50:33,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 10:50:33,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 10:50:33,187 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 10:50:33,189 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 10:50:33,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl [2021-03-12 10:50:33,203 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun.wvr.bpl' [2021-03-12 10:50:33,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 10:50:33,241 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 10:50:33,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 10:50:33,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 10:50:33,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 10:50:33,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:50:33" (1/1) ... [2021-03-12 10:50:33,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:50:33" (1/1) ... [2021-03-12 10:50:33,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 10:50:33,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 10:50:33,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 10:50:33,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 10:50:33,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:50:33" (1/1) ... [2021-03-12 10:50:33,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:50:33" (1/1) ... [2021-03-12 10:50:33,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:50:33" (1/1) ... [2021-03-12 10:50:33,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:50:33" (1/1) ... [2021-03-12 10:50:33,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:50:33" (1/1) ... [2021-03-12 10:50:33,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:50:33" (1/1) ... [2021-03-12 10:50:33,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:50:33" (1/1) ... [2021-03-12 10:50:33,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 10:50:33,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 10:50:33,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 10:50:33,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 10:50:33,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:50:33" (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 10:50:33,348 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 10:50:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 10:50:33,348 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 10:50:33,348 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 10:50:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 10:50:33,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 10:50:33,349 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 10:50:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 10:50:33,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 10:50:33,349 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-12 10:50:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-12 10:50:33,349 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-12 10:50:33,350 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 10:50:33,591 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 10:50:33,591 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 10:50:33,592 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 10:50:33 BoogieIcfgContainer [2021-03-12 10:50:33,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 10:50:33,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 10:50:33,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 10:50:33,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 10:50:33,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:50:33" (1/2) ... [2021-03-12 10:50:33,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc49538 and model type sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 10:50:33, skipping insertion in model container [2021-03-12 10:50:33,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 10:50:33" (2/2) ... [2021-03-12 10:50:33,598 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun.wvr.bpl [2021-03-12 10:50:33,601 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 10:50:33,602 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 10:50:33,604 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 10:50:33,604 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 10:50:33,631 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-12 10:50:33,643 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 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 10:50:33,673 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 10:50:33,673 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 10:50:33,673 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 10:50:33,673 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 10:50:33,673 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 10:50:33,673 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 10:50:33,673 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 10:50:33,673 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 10:50:33,711 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:50:33,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:50:33,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-03-12 10:50:33,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:50:33,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726665737] [2021-03-12 10:50:33,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:50:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:33,892 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 10:50:33,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726665737] [2021-03-12 10:50:33,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 10:50:33,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 10:50:33,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726290721] [2021-03-12 10:50:33,898 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 10:50:33,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:50:33,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 10:50:33,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-12 10:50:33,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:33,915 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:50:33,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 10:50:33,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:33,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:33,995 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 10:50:33,995 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:50:33,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:50:33,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-03-12 10:50:33,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:50:34,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811673753] [2021-03-12 10:50:34,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:50:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:34,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:50:34,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811673753] [2021-03-12 10:50:34,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 10:50:34,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 10:50:34,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354674859] [2021-03-12 10:50:34,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 10:50:34,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:50:34,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 10:50:34,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 10:50:34,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:34,056 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:50:34,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 10:50:34,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:34,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:34,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:34,096 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 10:50:34,097 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:50:34,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:50:34,097 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-03-12 10:50:34,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:50:34,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357697035] [2021-03-12 10:50:34,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:50:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:34,387 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 10:50:34,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357697035] [2021-03-12 10:50:34,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436484937] [2021-03-12 10:50:34,387 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 10:50:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:34,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 10:50:34,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:50:34,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:50:34,674 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 11 treesize of output 7 [2021-03-12 10:50:34,676 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:50:34,681 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:50:34,684 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 10:50:34,684 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:7 [2021-03-12 10:50:34,716 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 10:50:34,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:50:34,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-03-12 10:50:34,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022303126] [2021-03-12 10:50:34,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 10:50:34,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:50:34,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 10:50:34,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-03-12 10:50:34,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:34,718 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:50:34,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 10:50:34,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:34,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:34,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:34,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:34,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:34,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:35,089 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:50:35,089 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:50:35,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:50:35,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-03-12 10:50:35,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:50:35,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987286217] [2021-03-12 10:50:35,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:50:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:35,150 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:50:35,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987286217] [2021-03-12 10:50:35,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536511044] [2021-03-12 10:50:35,150 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:50:35,179 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 10:50:35,179 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:50:35,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 10:50:35,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:50:35,300 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 10:50:35,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:50:35,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-03-12 10:50:35,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809230770] [2021-03-12 10:50:35,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 10:50:35,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:50:35,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 10:50:35,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-12 10:50:35,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:35,302 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:50:35,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 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 10:50:35,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:35,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:35,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:35,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:35,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:35,687 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:50:35,688 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:50:35,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:50:35,688 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-03-12 10:50:35,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:50:35,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234660786] [2021-03-12 10:50:35,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:50:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:35,770 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:50:35,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234660786] [2021-03-12 10:50:35,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741801220] [2021-03-12 10:50:35,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:50:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:35,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 10:50:35,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:50:35,890 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:50:35,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:50:35,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-03-12 10:50:35,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626954368] [2021-03-12 10:50:35,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 10:50:35,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:50:35,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 10:50:35,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-03-12 10:50:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:35,892 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:50:35,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 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 10:50:35,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:35,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:35,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:35,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:35,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:35,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:35,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:35,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:35,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:35,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:36,171 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:50:36,171 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:50:36,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:50:36,172 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-03-12 10:50:36,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:50:36,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361328120] [2021-03-12 10:50:36,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:50:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:36,485 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:50:36,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361328120] [2021-03-12 10:50:36,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77756208] [2021-03-12 10:50:36,485 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-03-12 10:50:36,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 10:50:36,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:50:36,523 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 39 conjunts are in the unsatisfiable core [2021-03-12 10:50:36,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:50:36,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:37,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:37,018 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:50:37,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 59 [2021-03-12 10:50:37,045 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-03-12 10:50:37,097 INFO L628 ElimStorePlain]: treesize reduction 64, result has 44.3 percent of original size [2021-03-12 10:50:37,126 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:50:37,126 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:53, output treesize:67 [2021-03-12 10:50:37,207 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:50:37,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:50:37,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-03-12 10:50:37,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690929722] [2021-03-12 10:50:37,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 10:50:37,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:50:37,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 10:50:37,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2021-03-12 10:50:37,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:37,210 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:50:37,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.08) internal successors, (52), 25 states have internal predecessors, (52), 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 10:50:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:37,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:37,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:37,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:37,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:37,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:37,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:37,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:37,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:37,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-12 10:50:37,876 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:50:37,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:50:37,877 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-03-12 10:50:37,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:50:37,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407418438] [2021-03-12 10:50:37,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:50:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:37,963 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:50:37,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407418438] [2021-03-12 10:50:37,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748081397] [2021-03-12 10:50:37,964 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 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 10:50:37,990 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 10:50:37,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:50:37,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 10:50:37,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:50:38,143 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:50:38,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:50:38,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-03-12 10:50:38,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174639330] [2021-03-12 10:50:38,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-12 10:50:38,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:50:38,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-12 10:50:38,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-03-12 10:50:38,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:38,148 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:50:38,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 10:50:38,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:38,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:38,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:38,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:38,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:38,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:38,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:38,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:38,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:38,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:38,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:38,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:38,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:38,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:38,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:50:38,716 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:50:38,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:50:38,726 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-03-12 10:50:38,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:50:38,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710661210] [2021-03-12 10:50:38,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:50:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:38,815 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:50:38,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710661210] [2021-03-12 10:50:38,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518419748] [2021-03-12 10:50:38,816 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:50:38,871 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 10:50:38,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:50:38,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 10:50:38,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:50:38,975 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:50:38,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:50:38,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-03-12 10:50:38,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113080093] [2021-03-12 10:50:38,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-12 10:50:38,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:50:38,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-12 10:50:38,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-03-12 10:50:38,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:38,977 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:50:38,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 10:50:38,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:38,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:38,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:38,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:38,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:38,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:38,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:38,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:39,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:39,287 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:50:39,287 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:50:39,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:50:39,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-03-12 10:50:39,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:50:39,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812960316] [2021-03-12 10:50:39,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:50:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:39,767 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:50:39,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812960316] [2021-03-12 10:50:39,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201835280] [2021-03-12 10:50:39,767 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 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 10:50:39,810 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-03-12 10:50:39,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:50:39,811 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-03-12 10:50:39,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:50:40,513 INFO L354 Elim1Store]: treesize reduction 118, result has 2.5 percent of original size [2021-03-12 10:50:40,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 121 treesize of output 73 [2021-03-12 10:50:40,515 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:50:40,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:50:40,523 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:50:40,523 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:126, output treesize:5 [2021-03-12 10:50:40,552 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:50:40,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:50:40,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-03-12 10:50:40,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192171848] [2021-03-12 10:50:40,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-03-12 10:50:40,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:50:40,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-03-12 10:50:40,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=847, Unknown=0, NotChecked=0, Total=930 [2021-03-12 10:50:40,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:40,553 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:50:40,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 31 states have internal predecessors, (68), 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 10:50:40,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:40,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:40,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:40,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:40,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:40,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:40,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:40,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:40,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:41,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:41,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:50:41,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-03-12 10:50:41,911 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:50:41,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:50:41,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1702128234, now seen corresponding path program 6 times [2021-03-12 10:50:41,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:50:41,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262733933] [2021-03-12 10:50:41,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:50:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:50:42,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262733933] [2021-03-12 10:50:42,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017364982] [2021-03-12 10:50:42,021 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 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 10:50:42,050 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-03-12 10:50:42,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:50:42,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-12 10:50:42,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:50:42,292 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:50:42,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:50:42,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-03-12 10:50:42,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939137906] [2021-03-12 10:50:42,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-03-12 10:50:42,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:50:42,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-03-12 10:50:42,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2021-03-12 10:50:42,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:42,294 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:50:42,295 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.392857142857143) internal successors, (67), 28 states have internal predecessors, (67), 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 10:50:42,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:42,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:42,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:42,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:42,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:42,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:42,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:42,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:42,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:50:42,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:42,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:50:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:50:43,170 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:50:43,170 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:50:43,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:50:43,171 INFO L82 PathProgramCache]: Analyzing trace with hash -718741926, now seen corresponding path program 7 times [2021-03-12 10:50:43,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:50:43,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032405626] [2021-03-12 10:50:43,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:50:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:43,330 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:50:43,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032405626] [2021-03-12 10:50:43,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369257719] [2021-03-12 10:50:43,330 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 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 10:50:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:43,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-12 10:50:43,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:50:43,508 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:50:43,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:50:43,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2021-03-12 10:50:43,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281038129] [2021-03-12 10:50:43,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 10:50:43,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:50:43,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 10:50:43,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2021-03-12 10:50:43,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:43,511 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:50:43,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.608695652173913) internal successors, (60), 23 states have internal predecessors, (60), 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 10:50:43,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:43,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:43,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:43,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:43,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:43,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:43,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:43,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:43,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:50:43,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:50:43,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:50:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:50:43,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:50:43,885 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:50:43,885 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:50:43,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:50:43,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1675149960, now seen corresponding path program 8 times [2021-03-12 10:50:43,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:50:43,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69058891] [2021-03-12 10:50:43,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:50:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:44,768 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:50:44,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69058891] [2021-03-12 10:50:44,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292415880] [2021-03-12 10:50:44,768 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 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 10:50:44,803 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 10:50:44,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:50:44,804 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 66 conjunts are in the unsatisfiable core [2021-03-12 10:50:44,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:50:45,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:45,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:45,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:45,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:50:45,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:45,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:45,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:45,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 23 [2021-03-12 10:50:45,644 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:50:45,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:50:45,650 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:50:45,650 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:60, output treesize:5 [2021-03-12 10:50:45,677 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:50:45,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:50:45,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 39 [2021-03-12 10:50:45,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512185098] [2021-03-12 10:50:45,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-03-12 10:50:45,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:50:45,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-03-12 10:50:45,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1323, Unknown=0, NotChecked=0, Total=1482 [2021-03-12 10:50:45,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:45,679 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:50:45,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.128205128205128) internal successors, (83), 39 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 10:50:45,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:45,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:45,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:45,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:45,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:45,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:45,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:45,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:45,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:50:45,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:50:45,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:50:45,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:46,790 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2021-03-12 10:50:47,086 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2021-03-12 10:50:47,240 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-03-12 10:50:47,502 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-03-12 10:50:47,713 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2021-03-12 10:50:49,663 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2021-03-12 10:50:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:50:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:50:49,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:50:49,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:50:50,024 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-03-12 10:50:50,025 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:50:50,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:50:50,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1033138774, now seen corresponding path program 9 times [2021-03-12 10:50:50,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:50:50,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720361502] [2021-03-12 10:50:50,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:50:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:50,226 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 49 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:50:50,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720361502] [2021-03-12 10:50:50,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765408354] [2021-03-12 10:50:50,227 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:50:50,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-03-12 10:50:50,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:50:50,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 10:50:50,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:50:50,692 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 64 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:50:50,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:50:50,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-03-12 10:50:50,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735408653] [2021-03-12 10:50:50,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-03-12 10:50:50,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:50:50,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-03-12 10:50:50,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=1277, Unknown=0, NotChecked=0, Total=1560 [2021-03-12 10:50:50,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:50,694 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:50:50,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.275) internal successors, (91), 40 states have internal predecessors, (91), 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 10:50:50,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:50,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:50,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:50,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:50,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:50,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:50,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:50,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:50,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:50:50,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:50:50,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:50:50,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:50:50,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:52,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:50:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:50:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:50:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:50:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:50:52,204 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-12 10:50:52,204 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:50:52,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:50:52,207 INFO L82 PathProgramCache]: Analyzing trace with hash -621454566, now seen corresponding path program 10 times [2021-03-12 10:50:52,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:50:52,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791785777] [2021-03-12 10:50:52,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:50:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:50:52,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791785777] [2021-03-12 10:50:52,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907793032] [2021-03-12 10:50:52,386 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:50:52,415 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 10:50:52,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:50:52,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 21 conjunts are in the unsatisfiable core [2021-03-12 10:50:52,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:50:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:50:52,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:50:52,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 32 [2021-03-12 10:50:52,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803611077] [2021-03-12 10:50:52,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-03-12 10:50:52,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:50:52,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-03-12 10:50:52,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=730, Unknown=0, NotChecked=0, Total=992 [2021-03-12 10:50:52,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:52,648 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:50:52,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.4375) internal successors, (78), 32 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 10:50:52,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:52,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:52,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:52,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:52,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:52,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:52,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:52,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:52,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:50:52,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:50:52,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:50:52,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:50:52,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:50:52,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:52,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:50:52,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:50:52,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:50:52,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:50:52,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:50:52,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:50:53,107 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-03-12 10:50:53,107 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:50:53,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:50:53,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1481114312, now seen corresponding path program 11 times [2021-03-12 10:50:53,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:50:53,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786175285] [2021-03-12 10:50:53,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:50:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:50:54,386 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 49 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:50:54,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786175285] [2021-03-12 10:50:54,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402096150] [2021-03-12 10:50:54,386 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:50:54,421 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-03-12 10:50:54,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:50:54,423 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 90 conjunts are in the unsatisfiable core [2021-03-12 10:50:54,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:50:55,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:55,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:55,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:55,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:55,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:55,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:55,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:50:55,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:50:55,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 29 [2021-03-12 10:50:55,680 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:50:55,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:50:55,685 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 10:50:55,686 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:5 [2021-03-12 10:50:55,720 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:50:55,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:50:55,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 26] total 52 [2021-03-12 10:50:55,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262905012] [2021-03-12 10:50:55,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-03-12 10:50:55,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:50:55,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-03-12 10:50:55,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=2415, Unknown=0, NotChecked=0, Total=2652 [2021-03-12 10:50:55,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:55,722 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:50:55,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.0961538461538463) internal successors, (109), 52 states have internal predecessors, (109), 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 10:50:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:50:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:50:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:50:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:50:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:50:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:50:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:50:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:50:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:50:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:50:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:50:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:50:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:50:55,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:50:58,319 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2021-03-12 10:50:58,679 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2021-03-12 10:50:58,985 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2021-03-12 10:50:59,244 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2021-03-12 10:51:04,316 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2021-03-12 10:51:04,677 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2021-03-12 10:51:04,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:51:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:51:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:51:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:51:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:51:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:51:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:51:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:51:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:51:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:51:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:51:04,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:51:04,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:51:04,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:51:04,913 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:51:04,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:51:04,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1071314922, now seen corresponding path program 12 times [2021-03-12 10:51:04,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:51:04,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463934101] [2021-03-12 10:51:04,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:51:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:51:05,213 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 100 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:51:05,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463934101] [2021-03-12 10:51:05,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210228048] [2021-03-12 10:51:05,214 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:51:05,256 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2021-03-12 10:51:05,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:51:05,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-12 10:51:05,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:51:05,968 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 121 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:51:05,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:51:05,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 52 [2021-03-12 10:51:05,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194601261] [2021-03-12 10:51:05,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-03-12 10:51:05,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:51:05,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-03-12 10:51:05,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=2171, Unknown=0, NotChecked=0, Total=2652 [2021-03-12 10:51:05,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:51:05,970 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:51:05,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.2115384615384617) internal successors, (115), 52 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 10:51:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:51:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:51:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:51:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:51:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:51:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:51:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:51:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:51:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:51:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:51:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:51:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:51:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:51:05,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:51:08,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:51:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:51:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:51:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:51:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:51:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:51:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:51:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:51:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:51:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:51:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:51:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:51:08,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:51:08,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:51:08,228 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-12 10:51:08,228 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:51:08,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:51:08,229 INFO L82 PathProgramCache]: Analyzing trace with hash -742059814, now seen corresponding path program 13 times [2021-03-12 10:51:08,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:51:08,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982619519] [2021-03-12 10:51:08,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:51:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:51:08,501 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 144 proven. 144 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:51:08,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982619519] [2021-03-12 10:51:08,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685871113] [2021-03-12 10:51:08,502 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:51:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:51:08,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 27 conjunts are in the unsatisfiable core [2021-03-12 10:51:08,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:51:08,895 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 144 proven. 144 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 10:51:08,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:51:08,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 41 [2021-03-12 10:51:08,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002594479] [2021-03-12 10:51:08,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-03-12 10:51:08,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:51:08,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-03-12 10:51:08,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=1222, Unknown=0, NotChecked=0, Total=1640 [2021-03-12 10:51:08,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:51:08,897 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:51:08,897 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.341463414634146) internal successors, (96), 41 states have internal predecessors, (96), 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 10:51:08,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:51:08,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:51:08,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:51:08,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:51:08,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:51:08,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:08,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:51:08,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:08,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:51:08,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:51:08,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:51:08,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:51:08,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:51:08,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:51:08,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:51:08,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:51:08,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:51:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:51:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:51:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:51:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:51:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:51:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:51:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:51:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:51:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:51:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:51:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:51:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:51:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:51:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:51:09,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:51:09,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:51:09,463 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:51:09,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:51:09,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1795126776, now seen corresponding path program 14 times [2021-03-12 10:51:09,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:51:09,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114558103] [2021-03-12 10:51:09,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:51:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:51:11,370 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 66 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:51:11,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114558103] [2021-03-12 10:51:11,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045959808] [2021-03-12 10:51:11,370 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:51:11,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 10:51:11,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:51:11,407 WARN L261 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 114 conjunts are in the unsatisfiable core [2021-03-12 10:51:11,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:51:13,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:51:13,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:13,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 35 [2021-03-12 10:51:13,767 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:51:13,773 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:51:13,775 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:51:13,775 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:96, output treesize:5 [2021-03-12 10:51:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 0 proven. 314 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:51:13,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:51:13,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33] total 63 [2021-03-12 10:51:13,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181424774] [2021-03-12 10:51:13,820 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states [2021-03-12 10:51:13,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:51:13,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2021-03-12 10:51:13,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=3546, Unknown=0, NotChecked=0, Total=3906 [2021-03-12 10:51:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:51:13,821 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:51:13,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 63 states, 63 states have (on average 2.0793650793650795) internal successors, (131), 63 states have internal predecessors, (131), 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 10:51:13,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:51:13,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:51:17,513 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 134 [2021-03-12 10:51:17,898 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 144 [2021-03-12 10:51:18,151 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 104 [2021-03-12 10:51:18,356 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 106 [2021-03-12 10:51:18,599 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 116 [2021-03-12 10:51:18,897 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2021-03-12 10:51:28,854 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-03-12 10:51:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:51:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:51:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:51:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:51:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:51:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:51:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:51:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:51:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:51:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:51:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:51:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:51:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:51:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:51:28,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:51:28,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:51:29,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2021-03-12 10:51:29,115 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:51:29,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:51:29,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1433173960, now seen corresponding path program 15 times [2021-03-12 10:51:29,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:51:29,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461178643] [2021-03-12 10:51:29,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:51:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:51:31,338 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 65 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:51:31,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461178643] [2021-03-12 10:51:31,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637015760] [2021-03-12 10:51:31,339 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:51:31,389 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-03-12 10:51:31,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:51:31,391 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 126 conjunts are in the unsatisfiable core [2021-03-12 10:51:31,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:51:35,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:51:35,347 INFO L244 Elim1Store]: Index analysis took 143 ms [2021-03-12 10:51:35,551 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-03-12 10:51:35,551 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:51:35,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 182 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 28 case distinctions, treesize of input 105 treesize of output 315 [2021-03-12 10:51:36,729 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-03-12 10:51:36,782 INFO L628 ElimStorePlain]: treesize reduction 9, result has 85.0 percent of original size [2021-03-12 10:51:36,792 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-03-12 10:51:36,792 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:129, output treesize:41 [2021-03-12 10:51:37,027 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:51:37,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:51:37,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 38] total 70 [2021-03-12 10:51:37,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690367230] [2021-03-12 10:51:37,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-03-12 10:51:37,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:51:37,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-03-12 10:51:37,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=4444, Unknown=0, NotChecked=0, Total=4830 [2021-03-12 10:51:37,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:51:37,030 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:51:37,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 1.9857142857142858) internal successors, (139), 70 states have internal predecessors, (139), 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 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:51:37,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:51:37,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:51:37,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:51:40,893 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 76 [2021-03-12 10:51:41,192 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2021-03-12 10:51:41,502 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 79 [2021-03-12 10:51:41,765 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 86 [2021-03-12 10:51:42,083 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 86 [2021-03-12 10:51:42,342 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 89 [2021-03-12 10:51:42,669 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 93 [2021-03-12 10:51:43,454 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2021-03-12 10:51:44,134 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 151 [2021-03-12 10:51:44,500 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 111 [2021-03-12 10:51:44,818 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-03-12 10:51:45,128 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 121 [2021-03-12 10:51:45,562 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2021-03-12 10:51:46,361 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 10:51:56,566 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-03-12 10:51:57,393 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-03-12 10:51:58,208 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 10:51:59,491 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-03-12 10:51:59,787 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-03-12 10:52:00,292 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2021-03-12 10:52:00,666 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:52:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:52:00,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:52:00,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-03-12 10:52:00,931 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:52:00,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:52:00,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1999747960, now seen corresponding path program 16 times [2021-03-12 10:52:00,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:52:00,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708340609] [2021-03-12 10:52:00,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:52:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:52:02,607 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2021-03-12 10:52:02,800 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2021-03-12 10:52:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 92 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:52:04,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708340609] [2021-03-12 10:52:04,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6549116] [2021-03-12 10:52:04,937 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:52:04,979 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 10:52:04,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:52:04,981 WARN L261 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 130 conjunts are in the unsatisfiable core [2021-03-12 10:52:04,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:52:11,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:11,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:11,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:11,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:11,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:11,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:11,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:11,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:11,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:11,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:11,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:52:11,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:11,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:11,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:11,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:11,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:11,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:52:11,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 105 disjoint index pairs (out of 120 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 39 [2021-03-12 10:52:11,114 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:52:11,128 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:52:11,131 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:52:11,131 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:108, output treesize:5 [2021-03-12 10:52:11,246 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:52:11,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:52:11,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37] total 71 [2021-03-12 10:52:11,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480703672] [2021-03-12 10:52:11,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-03-12 10:52:11,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:52:11,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-03-12 10:52:11,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=427, Invalid=4543, Unknown=0, NotChecked=0, Total=4970 [2021-03-12 10:52:11,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:52:11,249 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:52:11,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 2.0704225352112675) internal successors, (147), 71 states have internal predecessors, (147), 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 10:52:11,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:52:11,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:52:11,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:52:11,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:52:11,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:52:11,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:52:11,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:52:11,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:52:11,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:52:11,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:52:11,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:52:11,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:52:11,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:52:11,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:52:11,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:52:11,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:52:11,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:52:11,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:52:11,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:52:11,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:52:12,095 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:52:12,982 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-03-12 10:52:13,326 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2021-03-12 10:52:13,785 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2021-03-12 10:52:14,090 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 33 [2021-03-12 10:52:14,477 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2021-03-12 10:52:14,788 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 36 [2021-03-12 10:52:15,169 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2021-03-12 10:52:15,471 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 35 [2021-03-12 10:52:15,910 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2021-03-12 10:52:16,233 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 37 [2021-03-12 10:52:16,971 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 39 [2021-03-12 10:52:17,379 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2021-03-12 10:52:17,728 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 41 [2021-03-12 10:52:18,155 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2021-03-12 10:52:18,516 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2021-03-12 10:52:19,018 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 46 [2021-03-12 10:52:19,406 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 45 [2021-03-12 10:52:19,929 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2021-03-12 10:52:20,297 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 48 [2021-03-12 10:52:20,806 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 50 [2021-03-12 10:52:21,198 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 49 [2021-03-12 10:52:21,614 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 53 [2021-03-12 10:52:21,981 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 52 [2021-03-12 10:52:22,688 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 108 [2021-03-12 10:52:23,515 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 104 [2021-03-12 10:52:24,516 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 125 [2021-03-12 10:52:25,455 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 160 [2021-03-12 10:52:26,175 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 126 [2021-03-12 10:52:26,897 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 130 [2021-03-12 10:52:27,703 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 137 [2021-03-12 10:52:28,291 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2021-03-12 10:52:29,341 WARN L205 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2021-03-12 10:52:30,030 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2021-03-12 10:52:32,316 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:52:32,614 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 10:52:35,349 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-12 10:52:35,973 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-03-12 10:52:37,212 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 10:52:41,888 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 133 [2021-03-12 10:52:42,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:52:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:52:42,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:52:42,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-03-12 10:52:42,782 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable597 [2021-03-12 10:52:42,783 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:52:42,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:52:42,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1387698248, now seen corresponding path program 17 times [2021-03-12 10:52:42,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:52:42,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074428583] [2021-03-12 10:52:42,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:52:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:52:43,377 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-03-12 10:52:43,565 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-03-12 10:52:43,747 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-03-12 10:52:43,931 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-03-12 10:52:44,096 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-03-12 10:52:44,263 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-03-12 10:52:44,441 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-03-12 10:52:44,619 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-03-12 10:52:44,808 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-03-12 10:52:45,000 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-03-12 10:52:45,192 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-03-12 10:52:45,402 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-03-12 10:52:45,618 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-03-12 10:52:45,917 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2021-03-12 10:52:46,249 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-03-12 10:52:46,817 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-03-12 10:52:47,533 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-03-12 10:52:47,787 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-03-12 10:52:48,232 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-03-12 10:52:48,467 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-03-12 10:52:48,720 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-03-12 10:52:48,957 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-12 10:52:49,198 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-03-12 10:52:49,441 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-03-12 10:52:50,236 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 81 proven. 401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:52:50,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074428583] [2021-03-12 10:52:50,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822128253] [2021-03-12 10:52:50,236 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:52:50,289 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-03-12 10:52:50,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:52:50,291 WARN L261 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 138 conjunts are in the unsatisfiable core [2021-03-12 10:52:50,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:53:00,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:53:00,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:53:00,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 120 disjoint index pairs (out of 136 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 41 [2021-03-12 10:53:00,965 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:53:00,993 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:53:00,998 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:53:00,999 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:114, output treesize:5 [2021-03-12 10:53:01,210 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:53:01,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:53:01,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 39] total 75 [2021-03-12 10:53:01,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284671343] [2021-03-12 10:53:01,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-03-12 10:53:01,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:53:01,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-03-12 10:53:01,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=5070, Unknown=0, NotChecked=0, Total=5550 [2021-03-12 10:53:01,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:53:01,212 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:53:01,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 2.066666666666667) internal successors, (155), 75 states have internal predecessors, (155), 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 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-03-12 10:53:01,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:53:02,514 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:53:03,420 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-03-12 10:53:04,309 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2021-03-12 10:53:05,072 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 10:53:05,563 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-03-12 10:53:06,259 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2021-03-12 10:53:06,688 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2021-03-12 10:53:07,354 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 10:53:07,854 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-03-12 10:53:08,575 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 10:53:09,030 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 37 [2021-03-12 10:53:09,725 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-03-12 10:53:10,166 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 39 [2021-03-12 10:53:10,836 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 10:53:11,317 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 41 [2021-03-12 10:53:12,054 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 10:53:12,533 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-03-12 10:53:13,277 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-03-12 10:53:13,741 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-03-12 10:53:14,509 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 10:53:14,989 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2021-03-12 10:53:15,719 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-03-12 10:53:16,240 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 51 [2021-03-12 10:53:17,011 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-03-12 10:53:17,500 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-03-12 10:53:18,411 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 101 [2021-03-12 10:53:19,012 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 57 [2021-03-12 10:53:20,136 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 155 [2021-03-12 10:53:21,430 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 165 [2021-03-12 10:53:22,287 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 119 [2021-03-12 10:53:23,156 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-03-12 10:53:24,075 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2021-03-12 10:53:25,380 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 136 [2021-03-12 10:53:25,790 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-12 10:53:26,269 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 10:53:26,940 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-03-12 10:53:27,640 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-03-12 10:53:28,359 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-03-12 10:53:29,088 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-03-12 10:53:29,829 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 10:53:30,586 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-03-12 10:53:31,389 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-03-12 10:53:32,097 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-03-12 10:53:32,876 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 10:53:33,661 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 10:53:34,484 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-03-12 10:53:35,294 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 10:53:35,739 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:53:36,120 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 10:53:40,127 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-12 10:53:41,120 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-03-12 10:53:42,008 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 10:53:43,162 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 10:53:44,109 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 10:53:45,236 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-03-12 10:53:45,860 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-03-12 10:53:46,395 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 10:53:47,511 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-03-12 10:53:48,506 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 10:53:49,654 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 10:53:50,602 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 10:53:51,714 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 10:53:52,710 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 10:53:53,886 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2021-03-12 10:53:54,372 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 10:53:54,879 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 10:53:55,962 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 10:53:56,902 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 10:53:57,953 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 10:53:58,909 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 10:53:59,978 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-03-12 10:54:00,964 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-03-12 10:54:02,135 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 10:54:03,094 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 10:54:04,194 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 10:54:04,744 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 10:54:05,301 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 10:54:06,474 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-03-12 10:54:08,478 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-03-12 10:54:09,818 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-03-12 10:54:10,507 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2021-03-12 10:54:11,202 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-03-12 10:54:11,942 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-03-12 10:54:13,168 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-03-12 10:54:14,105 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 126 [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:54:14,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-03-12 10:54:14,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-03-12 10:54:14,533 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable598 [2021-03-12 10:54:14,534 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:54:14,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:54:14,534 INFO L82 PathProgramCache]: Analyzing trace with hash -491141896, now seen corresponding path program 18 times [2021-03-12 10:54:14,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:54:14,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075960332] [2021-03-12 10:54:14,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:54:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:54:15,261 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-03-12 10:54:15,494 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-03-12 10:54:15,716 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-03-12 10:54:15,954 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-03-12 10:54:16,218 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-03-12 10:54:16,482 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-03-12 10:54:16,757 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-03-12 10:54:17,040 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-03-12 10:54:17,338 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-03-12 10:54:17,640 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-03-12 10:54:17,923 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-03-12 10:54:18,212 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-03-12 10:54:18,523 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-03-12 10:54:18,846 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-03-12 10:54:19,318 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2021-03-12 10:54:19,836 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2021-03-12 10:54:20,078 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-12 10:54:20,923 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-03-12 10:54:22,133 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-03-12 10:54:22,580 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-03-12 10:54:23,390 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-03-12 10:54:23,809 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-03-12 10:54:24,202 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-03-12 10:54:24,582 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-12 10:54:24,957 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-03-12 10:54:25,341 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-03-12 10:54:26,591 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 81 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:54:26,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075960332] [2021-03-12 10:54:26,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380093921] [2021-03-12 10:54:26,592 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:54:26,643 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-03-12 10:54:26,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:54:26,646 WARN L261 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 151 conjunts are in the unsatisfiable core [2021-03-12 10:54:26,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:54:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:54:45,884 INFO L244 Elim1Store]: Index analysis took 500 ms [2021-03-12 10:54:46,242 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 10:54:46,244 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:54:46,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 200 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 10 case distinctions, treesize of input 117 treesize of output 141 [2021-03-12 10:54:46,356 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-03-12 10:54:46,574 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2021-03-12 10:54:46,576 INFO L628 ElimStorePlain]: treesize reduction 4, result has 89.7 percent of original size [2021-03-12 10:54:46,590 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:54:46,590 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:141, output treesize:22 [2021-03-12 10:54:47,126 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2021-03-12 10:54:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:54:47,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:54:47,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 44] total 82 [2021-03-12 10:54:47,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466064410] [2021-03-12 10:54:47,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-03-12 10:54:47,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:54:47,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-03-12 10:54:47,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=6108, Unknown=0, NotChecked=0, Total=6642 [2021-03-12 10:54:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:54:47,464 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:54:47,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 1.9878048780487805) internal successors, (163), 82 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 10:54:47,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:54:47,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:54:47,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:54:47,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:54:47,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:54:47,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:54:47,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:54:47,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:54:47,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:54:47,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:54:47,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:54:47,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:54:47,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:54:47,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:54:47,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:54:47,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:54:47,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:54:47,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:54:47,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:54:47,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-03-12 10:54:47,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-03-12 10:54:47,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:54:49,464 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:54:50,745 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2021-03-12 10:54:51,928 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2021-03-12 10:54:53,113 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 10:54:53,940 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2021-03-12 10:54:55,047 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 10:54:55,716 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-03-12 10:54:56,776 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 10:54:57,551 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-03-12 10:54:58,661 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-03-12 10:54:59,315 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2021-03-12 10:55:00,424 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2021-03-12 10:55:01,154 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 39 [2021-03-12 10:55:02,436 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 10:55:03,226 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 42 [2021-03-12 10:55:04,452 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-03-12 10:55:05,338 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-03-12 10:55:06,625 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-03-12 10:55:07,331 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 45 [2021-03-12 10:55:08,452 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 10:55:09,207 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 48 [2021-03-12 10:55:10,921 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2021-03-12 10:55:11,996 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 49 [2021-03-12 10:55:13,365 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 93 [2021-03-12 10:55:14,535 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 99 [2021-03-12 10:55:16,430 WARN L205 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 99 [2021-03-12 10:55:17,762 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 104 [2021-03-12 10:55:19,163 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 106 [2021-03-12 10:55:20,058 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 58 [2021-03-12 10:55:21,992 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 183 DAG size of output: 162 [2021-03-12 10:55:24,488 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 194 DAG size of output: 172 [2021-03-12 10:55:25,870 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 126 [2021-03-12 10:55:27,219 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 126 [2021-03-12 10:55:28,616 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 156 DAG size of output: 136 [2021-03-12 10:55:30,481 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 161 DAG size of output: 141 [2021-03-12 10:55:31,175 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-12 10:55:31,989 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-03-12 10:55:32,240 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 10:55:33,036 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 10:55:33,284 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 10:55:34,135 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-03-12 10:55:34,403 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 10:55:35,226 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-03-12 10:55:35,513 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 10:55:36,364 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-03-12 10:55:36,648 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 10:55:37,482 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 10:55:37,779 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 10:55:38,695 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 10:55:39,040 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 10:55:39,904 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-03-12 10:55:40,257 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 10:55:41,214 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 10:55:41,569 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 10:55:42,513 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-03-12 10:55:42,956 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 10:55:43,980 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 10:55:44,385 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 10:55:45,364 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 10:55:45,750 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-12 10:55:46,745 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-03-12 10:55:47,165 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 10:55:48,107 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 10:55:48,862 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:55:49,422 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 10:55:52,698 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-03-12 10:55:54,125 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 10:55:56,729 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-12 10:55:58,510 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-03-12 10:56:00,002 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 10:56:02,470 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 10:56:03,461 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 10:56:04,503 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 10:56:06,636 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-03-12 10:56:07,837 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-03-12 10:56:08,858 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 10:56:10,964 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-03-12 10:56:11,925 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-03-12 10:56:12,963 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 10:56:14,935 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 10:56:15,648 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-12 10:56:16,410 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 10:56:18,029 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 10:56:18,727 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 10:56:19,413 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 10:56:21,002 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 10:56:21,722 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 10:56:22,471 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 10:56:24,044 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 10:56:24,728 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 10:56:25,360 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 10:56:26,787 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 10:56:27,519 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 10:56:28,246 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 10:56:29,913 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-03-12 10:56:30,571 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 10:56:31,234 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-03-12 10:56:32,936 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 10:56:33,597 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 10:56:34,324 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 10:56:35,763 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 10:56:36,486 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 10:56:37,163 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 10:56:38,611 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-03-12 10:56:39,264 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 10:56:39,874 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-12 10:56:41,292 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-03-12 10:56:41,972 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 10:56:42,765 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-03-12 10:56:44,074 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2021-03-12 10:56:44,795 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 10:56:45,738 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2021-03-12 10:56:46,721 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 118 [2021-03-12 10:56:47,525 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2021-03-12 10:56:48,458 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2021-03-12 10:56:50,033 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-12 10:56:51,217 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2021-03-12 10:56:51,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:56:51,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:56:51,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:56:51,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-03-12 10:56:51,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-03-12 10:56:51,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-03-12 10:56:51,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable599 [2021-03-12 10:56:51,685 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:56:51,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:56:51,685 INFO L82 PathProgramCache]: Analyzing trace with hash -1429073096, now seen corresponding path program 19 times [2021-03-12 10:56:51,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:56:51,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637333252] [2021-03-12 10:56:51,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:56:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:56:52,026 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-03-12 10:56:52,164 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-03-12 10:56:52,549 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-03-12 10:56:52,843 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-03-12 10:56:53,126 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-03-12 10:56:53,438 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-03-12 10:56:53,766 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-03-12 10:56:54,094 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-03-12 10:56:54,445 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-03-12 10:56:54,821 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-03-12 10:56:55,199 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-03-12 10:56:55,560 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-03-12 10:56:55,957 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-03-12 10:56:56,297 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-03-12 10:56:56,645 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-03-12 10:56:57,004 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-03-12 10:56:57,385 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-03-12 10:56:57,972 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2021-03-12 10:56:58,563 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2021-03-12 10:56:58,846 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-12 10:56:59,125 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-12 10:57:00,075 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-03-12 10:57:01,458 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-03-12 10:57:01,943 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-03-12 10:57:02,853 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2021-03-12 10:57:03,690 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-03-12 10:57:04,163 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-12 10:57:04,665 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-03-12 10:57:05,170 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-03-12 10:57:06,710 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 126 proven. 488 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:57:06,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637333252] [2021-03-12 10:57:06,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875641874] [2021-03-12 10:57:06,710 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:57:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:57:06,756 WARN L261 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 154 conjunts are in the unsatisfiable core [2021-03-12 10:57:06,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:57:28,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:57:28,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:57:28,696 INFO L244 Elim1Store]: Index analysis took 115 ms [2021-03-12 10:57:28,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 153 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 45 [2021-03-12 10:57:28,708 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:57:28,748 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:57:28,755 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:57:28,755 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:126, output treesize:5 [2021-03-12 10:57:29,115 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 0 proven. 614 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:57:29,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:57:29,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 43] total 83 [2021-03-12 10:57:29,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420509928] [2021-03-12 10:57:29,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states [2021-03-12 10:57:29,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:57:29,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2021-03-12 10:57:29,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=588, Invalid=6218, Unknown=0, NotChecked=0, Total=6806 [2021-03-12 10:57:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:57:29,117 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:57:29,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 83 states, 83 states have (on average 2.0602409638554215) internal successors, (171), 83 states have internal predecessors, (171), 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 10:57:29,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:57:29,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:57:29,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:57:29,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:57:29,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-03-12 10:57:29,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:57:31,159 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:57:32,622 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-03-12 10:57:33,800 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2021-03-12 10:57:35,046 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 10:57:35,949 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-03-12 10:57:37,136 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 10:57:37,882 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-03-12 10:57:39,064 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 10:57:39,928 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2021-03-12 10:57:41,172 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2021-03-12 10:57:41,891 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2021-03-12 10:57:43,235 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 10:57:44,029 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2021-03-12 10:57:45,249 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-03-12 10:57:46,016 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2021-03-12 10:57:47,227 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-03-12 10:57:47,977 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-03-12 10:57:49,213 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-03-12 10:57:49,961 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-03-12 10:57:51,167 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 10:57:51,929 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 47 [2021-03-12 10:57:53,217 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2021-03-12 10:57:54,006 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 49 [2021-03-12 10:57:55,260 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-03-12 10:57:56,005 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-03-12 10:57:57,231 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-03-12 10:57:58,013 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 54 [2021-03-12 10:57:59,272 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-03-12 10:58:00,008 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 55 [2021-03-12 10:58:01,470 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 111 [2021-03-12 10:58:02,455 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 61 [2021-03-12 10:58:04,867 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 183 DAG size of output: 169 [2021-03-12 10:58:07,241 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 194 DAG size of output: 179 [2021-03-12 10:58:08,648 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 129 [2021-03-12 10:58:10,012 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-03-12 10:58:11,384 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 160 DAG size of output: 141 [2021-03-12 10:58:13,412 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 165 DAG size of output: 146 [2021-03-12 10:58:14,067 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-03-12 10:58:14,877 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-03-12 10:58:15,213 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-03-12 10:58:15,947 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-03-12 10:58:16,302 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 10:58:17,014 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2021-03-12 10:58:17,385 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 10:58:18,160 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-03-12 10:58:18,523 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 10:58:19,277 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-03-12 10:58:19,651 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 10:58:20,406 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-03-12 10:58:20,785 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 10:58:21,563 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-03-12 10:58:21,960 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 10:58:22,750 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 10:58:23,167 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 10:58:23,992 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-03-12 10:58:24,466 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 10:58:25,347 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 10:58:25,784 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 10:58:26,555 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-03-12 10:58:26,995 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 10:58:27,811 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 10:58:28,266 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 10:58:29,150 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 10:58:29,627 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-12 10:58:30,506 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-03-12 10:58:31,034 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 10:58:32,029 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 10:58:32,837 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 10:58:33,584 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 10:58:36,557 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-03-12 10:58:37,768 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 10:58:40,341 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-12 10:58:42,038 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-03-12 10:58:43,523 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 10:58:45,447 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 10:58:46,217 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 10:58:47,079 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 10:58:48,964 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-03-12 10:58:49,976 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-03-12 10:58:50,842 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 10:58:52,753 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-03-12 10:58:53,568 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-03-12 10:58:54,522 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 10:58:56,545 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 10:58:57,291 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-12 10:58:58,120 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 10:58:59,824 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 10:59:00,633 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 10:59:01,590 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 10:59:03,497 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 10:59:04,312 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 10:59:05,152 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 10:59:06,854 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 10:59:07,551 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 10:59:08,335 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 10:59:10,016 WARN L205 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 10:59:10,835 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 10:59:11,606 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 10:59:13,395 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-03-12 10:59:14,105 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 10:59:14,902 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-03-12 10:59:16,564 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 10:59:17,317 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 10:59:18,073 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 10:59:19,809 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 10:59:20,542 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 10:59:21,326 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 10:59:23,064 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-03-12 10:59:23,804 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 10:59:24,573 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-12 10:59:26,116 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-03-12 10:59:26,932 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 10:59:27,798 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-12 10:59:29,492 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2021-03-12 10:59:30,215 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 10:59:31,116 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-03-12 10:59:32,587 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2021-03-12 10:59:33,388 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-12 10:59:34,769 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-03-12 10:59:35,896 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 123 [2021-03-12 10:59:37,020 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-03-12 10:59:38,200 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2021-03-12 10:59:40,004 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-03-12 10:59:41,554 WARN L205 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 136 [2021-03-12 10:59:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 10:59:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:59:41,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-03-12 10:59:41,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-03-12 10:59:41,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-03-12 10:59:42,066 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable620,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:59:42,067 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:59:42,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:59:42,067 INFO L82 PathProgramCache]: Analyzing trace with hash -632188296, now seen corresponding path program 20 times [2021-03-12 10:59:42,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:59:42,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363039732] [2021-03-12 10:59:42,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:59:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:59:42,528 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-03-12 10:59:42,714 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-03-12 10:59:42,861 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-03-12 10:59:43,214 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-03-12 10:59:43,563 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-03-12 10:59:43,920 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-03-12 10:59:44,276 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-03-12 10:59:44,665 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-03-12 10:59:45,065 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-03-12 10:59:45,529 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-03-12 10:59:45,961 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-03-12 10:59:46,452 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-03-12 10:59:46,973 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-03-12 10:59:47,455 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-03-12 10:59:47,920 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-03-12 10:59:48,398 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-03-12 10:59:48,914 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-03-12 10:59:49,428 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-03-12 10:59:49,987 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-03-12 10:59:50,774 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-03-12 10:59:51,667 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-03-12 10:59:52,043 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-12 10:59:52,442 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-12 10:59:52,800 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-12 10:59:53,188 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-03-12 10:59:53,558 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 10:59:54,183 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-03-12 10:59:54,554 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 10:59:54,955 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 10:59:55,455 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 10:59:56,082 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2021-03-12 10:59:56,712 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-03-12 10:59:57,150 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 10:59:57,791 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2021-03-12 10:59:58,326 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2021-03-12 10:59:59,008 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2021-03-12 10:59:59,570 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2021-03-12 11:00:00,201 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2021-03-12 11:00:00,802 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-03-12 11:00:02,910 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 126 proven. 560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 11:00:02,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363039732] [2021-03-12 11:00:02,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577375935] [2021-03-12 11:00:02,911 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 11:00:02,966 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 11:00:02,966 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 11:00:02,969 WARN L261 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 162 conjunts are in the unsatisfiable core [2021-03-12 11:00:02,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 11:00:04,338 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-03-12 11:00:04,837 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-03-12 11:00:05,383 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-03-12 11:00:05,990 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 11:00:06,542 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-03-12 11:00:07,081 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-03-12 11:00:07,662 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 11:00:08,252 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-12 11:00:08,892 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-03-12 11:00:09,532 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-03-12 11:00:10,144 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 11:00:10,856 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 11:00:11,586 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 11:00:12,358 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 11:00:13,216 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 11:00:14,047 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 11:00:14,702 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 11:00:15,446 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 11:00:16,306 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-03-12 11:00:22,484 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 11:00:23,404 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 11:00:25,923 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 11:00:26,825 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 11:00:27,724 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 11:00:29,657 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 11:00:30,820 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 11:00:31,861 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 11:00:33,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:00:33,453 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 11:00:33,454 INFO L244 Elim1Store]: Index analysis took 142 ms [2021-03-12 11:00:33,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 171 disjoint index pairs (out of 190 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 47 [2021-03-12 11:00:33,470 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 11:00:33,525 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 11:00:33,534 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 11:00:33,535 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:132, output treesize:5 [2021-03-12 11:00:34,080 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 0 proven. 686 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 11:00:34,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 11:00:34,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 45] total 87 [2021-03-12 11:00:34,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383469331] [2021-03-12 11:00:34,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 87 states [2021-03-12 11:00:34,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 11:00:34,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2021-03-12 11:00:34,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=635, Invalid=6847, Unknown=0, NotChecked=0, Total=7482 [2021-03-12 11:00:34,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 11:00:34,082 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 11:00:34,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 87 states, 87 states have (on average 2.057471264367816) internal successors, (179), 87 states have internal predecessors, (179), 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 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-03-12 11:00:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2021-03-12 11:00:34,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-03-12 11:00:34,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-03-12 11:00:34,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 11:00:36,913 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 11:00:38,751 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-03-12 11:00:40,327 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-03-12 11:00:41,880 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 11:00:43,028 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 31 [2021-03-12 11:00:44,444 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 11:00:45,297 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2021-03-12 11:00:46,627 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 11:00:47,695 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2021-03-12 11:00:49,134 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2021-03-12 11:00:50,037 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 38 [2021-03-12 11:00:51,431 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 11:00:52,317 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2021-03-12 11:00:53,692 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-03-12 11:00:54,705 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 44 [2021-03-12 11:00:56,172 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2021-03-12 11:00:57,114 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2021-03-12 11:00:58,580 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2021-03-12 11:00:59,485 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 46 [2021-03-12 11:01:00,957 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2021-03-12 11:01:01,912 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 49 [2021-03-12 11:01:03,541 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-03-12 11:01:04,462 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 52 [2021-03-12 11:01:05,879 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2021-03-12 11:01:06,816 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-03-12 11:01:08,251 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2021-03-12 11:01:09,324 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 53 [2021-03-12 11:01:10,896 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2021-03-12 11:01:11,886 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 55 [2021-03-12 11:01:13,493 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2021-03-12 11:01:14,517 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 57 [2021-03-12 11:01:16,483 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 116 [2021-03-12 11:01:17,989 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 63 [2021-03-12 11:01:20,410 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 190 DAG size of output: 176 [2021-03-12 11:01:22,999 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 201 DAG size of output: 186 [2021-03-12 11:01:24,604 WARN L205 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 134 [2021-03-12 11:01:26,161 WARN L205 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 136 [2021-03-12 11:01:27,819 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 165 DAG size of output: 146 [2021-03-12 11:01:30,256 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 170 DAG size of output: 151 [2021-03-12 11:01:30,978 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-12 11:01:31,921 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 92 [2021-03-12 11:01:32,390 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-12 11:01:33,382 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2021-03-12 11:01:33,830 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-03-12 11:01:34,757 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-03-12 11:01:35,210 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 11:01:36,157 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2021-03-12 11:01:36,591 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-03-12 11:01:37,486 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2021-03-12 11:01:37,948 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 11:01:38,863 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2021-03-12 11:01:39,336 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 11:01:40,240 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2021-03-12 11:01:40,726 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 11:01:41,696 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2021-03-12 11:01:42,205 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 11:01:43,206 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2021-03-12 11:01:43,773 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 11:01:44,807 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-03-12 11:01:45,361 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 11:01:46,423 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 11:01:46,958 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 11:01:47,948 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 59 [2021-03-12 11:01:48,513 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-03-12 11:01:49,556 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 11:01:50,132 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 11:01:51,219 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2021-03-12 11:01:51,847 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-12 11:01:52,954 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2021-03-12 11:01:53,573 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 11:01:54,679 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2021-03-12 11:01:55,630 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2021-03-12 11:01:56,468 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2021-03-12 11:01:57,048 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-03-12 11:01:57,585 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-03-12 11:02:00,131 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-03-12 11:02:01,734 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 11:02:05,002 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2021-03-12 11:02:07,038 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-03-12 11:02:08,773 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-12 11:02:11,077 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-03-12 11:02:11,974 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 11:02:13,061 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 11:02:15,248 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2021-03-12 11:02:16,432 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2021-03-12 11:02:17,434 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-03-12 11:02:19,412 WARN L205 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2021-03-12 11:02:20,215 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-03-12 11:02:21,104 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 11:02:23,124 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2021-03-12 11:02:24,013 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-12 11:02:24,927 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-03-12 11:02:26,768 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 11:02:27,574 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-03-12 11:02:28,485 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 11:02:30,368 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2021-03-12 11:02:31,173 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-03-12 11:02:32,093 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-12 11:02:33,891 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2021-03-12 11:02:34,695 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 11:02:35,616 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-03-12 11:02:37,366 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2021-03-12 11:02:38,203 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-12 11:02:39,037 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 11:02:40,763 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-03-12 11:02:41,538 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 11:02:42,374 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-03-12 11:02:44,194 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2021-03-12 11:02:45,019 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 11:02:45,847 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 11:02:47,598 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2021-03-12 11:02:48,358 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 11:02:49,150 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 11:02:50,843 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2021-03-12 11:02:51,609 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-12 11:02:52,410 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-03-12 11:02:54,265 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2021-03-12 11:02:55,046 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-12 11:02:55,830 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-12 11:02:57,533 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2021-03-12 11:02:58,296 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 11:02:59,063 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-03-12 11:03:00,680 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2021-03-12 11:03:01,519 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-12 11:03:02,393 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-12 11:03:03,856 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2021-03-12 11:03:04,670 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-03-12 11:03:05,991 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-03-12 11:03:07,088 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 128 [2021-03-12 11:03:08,186 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-03-12 11:03:09,364 WARN L205 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 120 [2021-03-12 11:03:10,303 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2021-03-12 11:03:11,442 WARN L205 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2021-03-12 11:03:13,380 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-03-12 11:03:14,866 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 159 DAG size of output: 141 [2021-03-12 11:03:15,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 11:03:15,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 11:03:15,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 11:03:15,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 11:03:15,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 11:03:15,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 11:03:15,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 11:03:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 11:03:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-12 11:03:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 11:03:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 11:03:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2021-03-12 11:03:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-03-12 11:03:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-03-12 11:03:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-03-12 11:03:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-03-12 11:03:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-03-12 11:03:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-03-12 11:03:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2021-03-12 11:03:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-03-12 11:03:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2021-03-12 11:03:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-03-12 11:03:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-03-12 11:03:15,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-03-12 11:03:15,362 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable621 [2021-03-12 11:03:15,362 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 11:03:15,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 11:03:15,362 INFO L82 PathProgramCache]: Analyzing trace with hash -882408776, now seen corresponding path program 21 times [2021-03-12 11:03:15,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 11:03:15,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536917240] [2021-03-12 11:03:15,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 11:03:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 11:03:15,794 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-03-12 11:03:15,973 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-03-12 11:03:16,458 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2021-03-12 11:03:16,827 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-03-12 11:03:17,186 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2021-03-12 11:03:17,551 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2021-03-12 11:03:17,957 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-03-12 11:03:18,365 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2021-03-12 11:03:18,787 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2021-03-12 11:03:19,229 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-03-12 11:03:19,692 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2021-03-12 11:03:20,160 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2021-03-12 11:03:20,596 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-03-12 11:03:21,027 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2021-03-12 11:03:21,476 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2021-03-12 11:03:21,941 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-03-12 11:03:22,428 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2021-03-12 11:03:22,906 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-03-12 11:03:23,423 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2021-03-12 11:03:24,188 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2021-03-12 11:03:25,024 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2021-03-12 11:03:25,419 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-03-12 11:03:25,798 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-03-12 11:03:26,339 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2021-03-12 11:03:26,708 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-12 11:03:27,070 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-03-12 11:03:27,453 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-12 11:03:28,027 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2021-03-12 11:03:28,421 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-12 11:03:28,844 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-12 11:03:29,280 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-03-12 11:03:29,891 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2021-03-12 11:03:30,520 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2021-03-12 11:03:31,023 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-12 11:03:31,722 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-03-12 11:03:32,200 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-03-12 11:03:32,720 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-03-12 11:03:33,329 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-03-12 11:03:34,008 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-03-12 11:03:34,682 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-03-12 11:03:36,887 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 111 proven. 651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 11:03:36,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536917240] [2021-03-12 11:03:36,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886170833] [2021-03-12 11:03:36,888 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 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 11:03:36,960 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2021-03-12 11:03:36,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 11:03:36,962 WARN L261 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 175 conjunts are in the unsatisfiable core [2021-03-12 11:03:36,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 11:03:38,390 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-03-12 11:03:38,906 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2021-03-12 11:03:39,455 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-12 11:03:40,004 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2021-03-12 11:03:40,571 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-03-12 11:03:41,165 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-03-12 11:03:41,792 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2021-03-12 11:03:42,433 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-12 11:03:43,035 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-03-12 11:03:43,635 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-12 11:03:44,261 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 11:03:45,556 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 11:03:46,206 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-12 11:03:46,866 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 11:03:47,528 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-12 11:03:48,211 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-12 11:03:49,630 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-03-12 11:03:50,525 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 11:03:51,530 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-03-12 11:03:52,479 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-03-12 11:03:53,370 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 11:03:54,290 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 11:03:55,200 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-12 11:03:56,087 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-03-12 11:03:56,972 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-03-12 11:03:57,877 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 11:03:58,827 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-12 11:03:59,781 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-03-12 11:04:00,754 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-03-12 11:04:01,782 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-03-12 11:04:02,879 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-03-12 11:04:03,926 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-12 11:04:05,060 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-12 11:04:06,194 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-12 11:04:07,256 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-12 11:04:08,335 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-12 11:04:09,484 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-03-12 11:04:10,718 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-03-12 11:04:11,994 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-12 11:04:12,973 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-03-12 11:04:13,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:13,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:14,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 11:04:15,566 INFO L244 Elim1Store]: Index analysis took 2286 ms [2021-03-12 11:04:19,382 WARN L205 SmtUtils]: Spent 3.81 s on a formula simplification that was a NOOP. DAG size: 270 [2021-03-12 11:04:19,385 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 11:04:19,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 380 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 55 case distinctions, treesize of input 147 treesize of output 597 [2021-03-12 11:04:29,058 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 1634 DAG size of output: 1404 [2021-03-12 11:04:29,200 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 1645 DAG size of output: 1415 [2021-03-12 11:04:29,594 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 2371 DAG size of output: 2160 [2021-03-12 11:04:29,975 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 2381 DAG size of output: 2170 [2021-03-12 11:04:35,160 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 4475 DAG size of output: 3874 [2021-03-12 11:04:36,648 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 4482 DAG size of output: 3881 [2021-03-12 11:04:41,665 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 5051 DAG size of output: 3837 [2021-03-12 11:04:43,696 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 5057 DAG size of output: 3841 [2021-03-12 11:04:51,799 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 5335 DAG size of output: 2766 [2021-03-12 11:04:54,157 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 5342 DAG size of output: 2760 Received shutdown request... [2021-03-12 11:04:58,209 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable622,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 11:04:58,209 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-12 11:04:58,217 WARN L224 ceAbstractionStarter]: Timeout [2021-03-12 11:04:58,217 INFO L202 PluginConnector]: Adding new model sum-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 11:04:58 BasicIcfg [2021-03-12 11:04:58,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 11:04:58,218 INFO L168 Benchmark]: Toolchain (without parser) took 864981.54 ms. Allocated memory was 255.9 MB in the beginning and 654.3 MB in the end (delta: 398.5 MB). Free memory was 236.6 MB in the beginning and 255.2 MB in the end (delta: -18.6 MB). Peak memory consumption was 498.7 MB. Max. memory is 16.0 GB. [2021-03-12 11:04:58,218 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 11:04:58,218 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.48 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 11:04:58,218 INFO L168 Benchmark]: Boogie Preprocessor took 15.88 ms. Allocated memory is still 255.9 MB. Free memory was 234.6 MB in the beginning and 233.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-12 11:04:58,218 INFO L168 Benchmark]: RCFGBuilder took 306.87 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 236.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.0 GB. [2021-03-12 11:04:58,218 INFO L168 Benchmark]: TraceAbstraction took 864623.73 ms. Allocated memory was 255.9 MB in the beginning and 654.3 MB in the end (delta: 398.5 MB). Free memory was 236.3 MB in the beginning and 255.2 MB in the end (delta: -18.8 MB). Peak memory consumption was 496.9 MB. Max. memory is 16.0 GB. [2021-03-12 11:04:58,218 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 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.48 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 234.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.88 ms. Allocated memory is still 255.9 MB. Free memory was 234.6 MB in the beginning and 233.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 306.87 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 236.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 864623.73 ms. Allocated memory was 255.9 MB in the beginning and 654.3 MB in the end (delta: 398.5 MB). Free memory was 236.3 MB in the beginning and 255.2 MB in the end (delta: -18.8 MB). Peak memory consumption was 496.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 36050, positive: 31551, positive conditional: 31551, positive unconditional: 0, negative: 4499, negative conditional: 4499, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 31551, positive: 31551, positive conditional: 31551, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 31551, positive: 31551, positive conditional: 0, positive unconditional: 31551, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31551, positive: 31512, positive conditional: 0, positive unconditional: 31512, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 39, unknown conditional: 0, unknown unconditional: 39] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 39, Positive conditional cache size: 0, Positive unconditional cache size: 39, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 4499 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 66). Cancelled while PartialOrderCegarLoop was analyzing trace of length 99 with TraceHistMax 20,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 864561.5ms, OverallIterations: 25, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.8ms, PartialOrderReductionTime: 581598.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1306, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 149.1ms SsaConstructionTime, 748.6ms SatisfiabilityAnalysisTime, 174043.1ms InterpolantComputationTime, 2462 NumberOfCodeBlocks, 2462 NumberOfCodeBlocksAsserted, 144 NumberOfCheckSat, 2416 ConstructedInterpolants, 306 QuantifiedInterpolants, 142510 SizeOfPredicates, 114 NumberOfNonLiveVariables, 3096 ConjunctsInSsa, 1401 ConjunctsInUnsatCore, 46 InterpolantComputations, 2 PerfectInterpolantSequences, 1666/9557 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown