/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/mts-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-19 22:26:00,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 22:26:00,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 22:26:00,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-19 22:26:00,468 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 [2021-02-19 22:26:00,498 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 22:26:00,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 22:26:00,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-19 22:26:00,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-19 22:26:00,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 22:26:00,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 22:26:00,501 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 22:26:00,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 22:26:00,501 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 22:26:00,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 22:26:00,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 22:26:00,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 22:26:00,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 22:26:00,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 22:26:00,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 22:26:00,502 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 22:26:00,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 22:26:00,502 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 22:26:00,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 22:26:00,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 22:26:00,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 22:26:00,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 22:26:00,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 22:26:00,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 22:26:00,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 22:26:00,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 22:26:00,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 22:26:00,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 22:26:00,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 22:26:00,504 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-19 22:26:00,504 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-19 22:26:00,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 22:26:00,505 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-02-19 22:26:00,505 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 22:26:00,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 22:26:00,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 22:26:00,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 22:26:00,859 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-19 22:26:00,861 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-19 22:26:00,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl [2021-02-19 22:26:00,864 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl' [2021-02-19 22:26:00,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 22:26:00,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 22:26:00,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-19 22:26:00,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-19 22:26:00,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-19 22:26:00,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:00" (1/1) ... [2021-02-19 22:26:00,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:00" (1/1) ... [2021-02-19 22:26:00,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-19 22:26:00,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 22:26:00,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 22:26:00,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 22:26:00,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:00" (1/1) ... [2021-02-19 22:26:00,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:00" (1/1) ... [2021-02-19 22:26:00,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:00" (1/1) ... [2021-02-19 22:26:00,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:00" (1/1) ... [2021-02-19 22:26:00,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:00" (1/1) ... [2021-02-19 22:26:00,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:00" (1/1) ... [2021-02-19 22:26:00,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:00" (1/1) ... [2021-02-19 22:26:00,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 22:26:00,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 22:26:00,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 22:26:00,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 22:26:00,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:00" (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 [2021-02-19 22:26:01,023 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-19 22:26:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-19 22:26:01,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-19 22:26:01,024 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-19 22:26:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-19 22:26:01,024 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-19 22:26:01,024 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-19 22:26:01,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 22:26:01,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 22:26:01,025 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-02-19 22:26:01,025 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-02-19 22:26:01,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-02-19 22:26:01,026 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-19 22:26:01,336 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 22:26:01,336 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 22:26:01,338 INFO L202 PluginConnector]: Adding new model mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:26:01 BoogieIcfgContainer [2021-02-19 22:26:01,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 22:26:01,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 22:26:01,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 22:26:01,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 22:26:01,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:00" (1/2) ... [2021-02-19 22:26:01,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71f0d46 and model type mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 10:26:01, skipping insertion in model container [2021-02-19 22:26:01,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:26:01" (2/2) ... [2021-02-19 22:26:01,345 INFO L111 eAbstractionObserver]: Analyzing ICFG mts-array.wvr.bpl [2021-02-19 22:26:01,350 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-19 22:26:01,351 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 22:26:01,354 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 22:26:01,355 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-19 22:26:01,392 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-02-19 22:26:01,426 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) [2021-02-19 22:26:01,513 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 22:26:01,513 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 22:26:01,513 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 22:26:01,513 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 22:26:01,514 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 22:26:01,514 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 22:26:01,514 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 22:26:01,514 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-19 22:26:01,575 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:26:01,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:26:01,587 INFO L82 PathProgramCache]: Analyzing trace with hash -491319246, now seen corresponding path program 1 times [2021-02-19 22:26:01,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:26:01,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73004975] [2021-02-19 22:26:01,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:26:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:26:01,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:26:01,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73004975] [2021-02-19 22:26:01,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 22:26:01,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 22:26:01,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583713238] [2021-02-19 22:26:01,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 22:26:01,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:26:01,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 22:26:01,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-19 22:26:01,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:01,792 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:26:01,794 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) [2021-02-19 22:26:01,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:01,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:01,919 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 22:26:01,919 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:26:01,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:26:01,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1268136848, now seen corresponding path program 1 times [2021-02-19 22:26:01,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:26:01,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111397544] [2021-02-19 22:26:01,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:26:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:26:01,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:26:01,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111397544] [2021-02-19 22:26:01,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 22:26:01,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 22:26:01,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954158910] [2021-02-19 22:26:01,965 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 22:26:01,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:26:01,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 22:26:01,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 22:26:01,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:01,966 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:26:01,966 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) [2021-02-19 22:26:01,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:01,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:02,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:02,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:26:02,011 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 22:26:02,012 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:26:02,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:26:02,013 INFO L82 PathProgramCache]: Analyzing trace with hash -653865618, now seen corresponding path program 1 times [2021-02-19 22:26:02,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:26:02,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365547773] [2021-02-19 22:26:02,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:26:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:26:02,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:26:02,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365547773] [2021-02-19 22:26:02,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220283084] [2021-02-19 22:26:02,638 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 [2021-02-19 22:26:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:26:02,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 23 conjunts are in the unsatisfiable core [2021-02-19 22:26:02,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:26:03,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:26:03,194 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:26:03,199 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 21 treesize of output 13 [2021-02-19 22:26:03,201 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:03,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:26:03,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:26:03,207 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 21 treesize of output 13 [2021-02-19 22:26:03,208 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:03,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:26:03,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:26:03,214 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 16 treesize of output 7 [2021-02-19 22:26:03,216 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:03,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:26:03,220 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 26 treesize of output 13 [2021-02-19 22:26:03,222 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:03,245 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:26:03,248 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-02-19 22:26:03,248 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:133, output treesize:27 [2021-02-19 22:26:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:26:03,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:26:03,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-02-19 22:26:03,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002219557] [2021-02-19 22:26:03,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-19 22:26:03,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:26:03,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-19 22:26:03,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-02-19 22:26:03,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:03,304 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:26:03,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 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) [2021-02-19 22:26:03,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:03,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:26:03,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:03,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:03,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:26:03,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:26:03,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:26:03,750 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:26:03,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:26:03,751 INFO L82 PathProgramCache]: Analyzing trace with hash 495262156, now seen corresponding path program 2 times [2021-02-19 22:26:03,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:26:03,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614113544] [2021-02-19 22:26:03,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:26:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:26:03,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:26:03,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614113544] [2021-02-19 22:26:03,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850228380] [2021-02-19 22:26:03,840 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 [2021-02-19 22:26:03,870 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 22:26:03,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:26:03,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-02-19 22:26:03,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:26:03,969 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:26:03,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:26:03,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-02-19 22:26:03,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696466807] [2021-02-19 22:26:03,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-19 22:26:03,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:26:03,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-19 22:26:03,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-02-19 22:26:03,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:03,971 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:26:03,972 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) [2021-02-19 22:26:03,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:03,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:26:03,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:26:03,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:26:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:26:04,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:26:04,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-02-19 22:26:04,364 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:26:04,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:26:04,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1792649200, now seen corresponding path program 1 times [2021-02-19 22:26:04,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:26:04,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148897399] [2021-02-19 22:26:04,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:26:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:26:04,436 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:26:04,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148897399] [2021-02-19 22:26:04,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088432512] [2021-02-19 22:26:04,437 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 [2021-02-19 22:26:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:26:04,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2021-02-19 22:26:04,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:26:04,587 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:26:04,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:26:04,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-02-19 22:26:04,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885485894] [2021-02-19 22:26:04,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-19 22:26:04,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:26:04,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-19 22:26:04,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-02-19 22:26:04,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:04,611 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:26:04,611 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) [2021-02-19 22:26:04,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:04,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:26:04,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:26:04,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:26:04,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:04,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:04,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:26:04,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:26:04,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:26:04,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:26:04,910 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:26:04,910 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:26:04,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:26:04,911 INFO L82 PathProgramCache]: Analyzing trace with hash -918198802, now seen corresponding path program 2 times [2021-02-19 22:26:04,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:26:04,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781792636] [2021-02-19 22:26:04,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:26:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:26:05,709 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2021-02-19 22:26:05,913 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2021-02-19 22:26:06,145 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 70 [2021-02-19 22:26:06,528 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:26:06,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781792636] [2021-02-19 22:26:06,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664742557] [2021-02-19 22:26:06,530 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) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:26:06,577 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 22:26:06,577 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:26:06,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 39 conjunts are in the unsatisfiable core [2021-02-19 22:26:06,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:26:07,414 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-19 22:26:07,874 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-02-19 22:26:08,459 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-02-19 22:26:08,931 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-02-19 22:26:09,915 WARN L202 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2021-02-19 22:26:11,506 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 381 DAG size of output: 347 [2021-02-19 22:26:12,928 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_31, v_prenex_41, v_prenex_34, v_prenex_39], 10=[A, v_prenex_32, v_prenex_43, v_prenex_42, v_prenex_40, v_prenex_36, v_prenex_35, v_prenex_45, v_prenex_33, v_prenex_44, v_prenex_38, v_prenex_37]} [2021-02-19 22:26:12,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:13,060 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-02-19 22:26:13,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 57 [2021-02-19 22:26:13,077 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:13,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:13,188 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-02-19 22:26:13,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 53 [2021-02-19 22:26:13,193 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:17,172 WARN L202 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 436 DAG size of output: 433 [2021-02-19 22:26:17,174 INFO L628 ElimStorePlain]: treesize reduction 26, result has 99.1 percent of original size [2021-02-19 22:26:17,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:17,306 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-02-19 22:26:17,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 57 [2021-02-19 22:26:17,314 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:17,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:17,430 INFO L354 Elim1Store]: treesize reduction 8, result has 82.2 percent of original size [2021-02-19 22:26:17,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 61 [2021-02-19 22:26:17,450 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:21,445 WARN L202 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 430 DAG size of output: 428 [2021-02-19 22:26:21,447 INFO L628 ElimStorePlain]: treesize reduction 15, result has 99.5 percent of original size [2021-02-19 22:26:21,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:21,549 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-02-19 22:26:21,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 60 [2021-02-19 22:26:21,579 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:21,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:21,702 INFO L354 Elim1Store]: treesize reduction 8, result has 82.2 percent of original size [2021-02-19 22:26:21,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 64 [2021-02-19 22:26:21,712 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:25,835 WARN L202 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 429 DAG size of output: 425 [2021-02-19 22:26:25,837 INFO L628 ElimStorePlain]: treesize reduction 25, result has 99.1 percent of original size [2021-02-19 22:26:25,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:25,942 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-02-19 22:26:25,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 54 [2021-02-19 22:26:25,955 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:25,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:26,044 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:26:26,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 66 [2021-02-19 22:26:26,086 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-02-19 22:26:29,958 WARN L202 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 420 DAG size of output: 416 [2021-02-19 22:26:29,960 INFO L628 ElimStorePlain]: treesize reduction 24, result has 99.1 percent of original size [2021-02-19 22:26:29,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:29,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:30,094 INFO L354 Elim1Store]: treesize reduction 20, result has 71.8 percent of original size [2021-02-19 22:26:30,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 55 treesize of output 81 [2021-02-19 22:26:30,124 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:30,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:30,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:30,277 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2021-02-19 22:26:30,278 INFO L354 Elim1Store]: treesize reduction 20, result has 71.8 percent of original size [2021-02-19 22:26:30,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 60 treesize of output 84 [2021-02-19 22:26:30,293 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:40,002 WARN L202 SmtUtils]: Spent 9.71 s on a formula simplification. DAG size of input: 453 DAG size of output: 437 [2021-02-19 22:26:40,004 INFO L628 ElimStorePlain]: treesize reduction 116, result has 96.0 percent of original size [2021-02-19 22:26:40,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:40,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:40,129 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:26:40,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 78 treesize of output 110 [2021-02-19 22:26:40,263 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:40,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:40,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:40,480 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-02-19 22:26:40,481 INFO L354 Elim1Store]: treesize reduction 4, result has 94.4 percent of original size [2021-02-19 22:26:40,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 73 treesize of output 103 [2021-02-19 22:26:40,593 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:48,963 WARN L202 SmtUtils]: Spent 8.37 s on a formula simplification. DAG size of input: 688 DAG size of output: 501 [2021-02-19 22:26:48,966 INFO L628 ElimStorePlain]: treesize reduction 1182, result has 71.9 percent of original size [2021-02-19 22:26:49,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:49,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:49,127 INFO L354 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-02-19 22:26:49,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 82 treesize of output 81 [2021-02-19 22:26:49,151 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:49,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:49,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:49,289 INFO L354 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-02-19 22:26:49,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 82 treesize of output 81 [2021-02-19 22:26:49,306 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:54,408 WARN L202 SmtUtils]: Spent 5.10 s on a formula simplification. DAG size of input: 503 DAG size of output: 487 [2021-02-19 22:26:54,410 INFO L628 ElimStorePlain]: treesize reduction 83, result has 97.2 percent of original size [2021-02-19 22:26:54,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:54,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:54,570 INFO L354 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-02-19 22:26:54,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 84 treesize of output 85 [2021-02-19 22:26:54,590 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:54,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:54,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:54,758 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2021-02-19 22:26:54,759 INFO L354 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-02-19 22:26:54,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 84 treesize of output 85 [2021-02-19 22:26:54,787 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:02,816 WARN L202 SmtUtils]: Spent 8.03 s on a formula simplification. DAG size of input: 504 DAG size of output: 490 [2021-02-19 22:27:02,818 INFO L628 ElimStorePlain]: treesize reduction 88, result has 97.0 percent of original size [2021-02-19 22:27:02,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:02,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:03,013 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2021-02-19 22:27:03,013 INFO L354 Elim1Store]: treesize reduction 8, result has 88.7 percent of original size [2021-02-19 22:27:03,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 102 treesize of output 105 [2021-02-19 22:27:03,114 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:03,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:03,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:03,313 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2021-02-19 22:27:03,314 INFO L354 Elim1Store]: treesize reduction 8, result has 88.7 percent of original size [2021-02-19 22:27:03,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 102 treesize of output 105 [2021-02-19 22:27:03,365 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:11,881 WARN L202 SmtUtils]: Spent 8.51 s on a formula simplification. DAG size of input: 588 DAG size of output: 494 [2021-02-19 22:27:11,883 INFO L628 ElimStorePlain]: treesize reduction 655, result has 80.7 percent of original size [2021-02-19 22:27:11,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:11,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:12,086 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2021-02-19 22:27:12,087 INFO L354 Elim1Store]: treesize reduction 20, result has 71.8 percent of original size [2021-02-19 22:27:12,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 43 treesize of output 78 [2021-02-19 22:27:12,119 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:12,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:12,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:12,288 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2021-02-19 22:27:12,289 INFO L354 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-02-19 22:27:12,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 43 treesize of output 74 [2021-02-19 22:27:12,300 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:17,963 WARN L202 SmtUtils]: Spent 5.66 s on a formula simplification. DAG size of input: 496 DAG size of output: 488 [2021-02-19 22:27:17,964 INFO L628 ElimStorePlain]: treesize reduction 55, result has 98.0 percent of original size [2021-02-19 22:27:17,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:18,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:18,122 INFO L354 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-02-19 22:27:18,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 43 treesize of output 71 [2021-02-19 22:27:18,145 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:18,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:18,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:18,320 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2021-02-19 22:27:18,320 INFO L354 Elim1Store]: treesize reduction 28, result has 60.6 percent of original size [2021-02-19 22:27:18,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 48 treesize of output 70 [2021-02-19 22:27:18,332 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:21,226 WARN L202 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 482 [2021-02-19 22:27:21,226 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:27:21,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:21,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:21,466 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2021-02-19 22:27:21,467 INFO L354 Elim1Store]: treesize reduction 16, result has 77.5 percent of original size [2021-02-19 22:27:21,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 49 treesize of output 84 [2021-02-19 22:27:21,482 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:21,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:21,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:21,624 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2021-02-19 22:27:21,625 INFO L354 Elim1Store]: treesize reduction 16, result has 77.5 percent of original size [2021-02-19 22:27:21,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 49 treesize of output 84 [2021-02-19 22:27:21,655 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:27,457 WARN L202 SmtUtils]: Spent 5.80 s on a formula simplification. DAG size of input: 493 DAG size of output: 477 [2021-02-19 22:27:27,459 INFO L628 ElimStorePlain]: treesize reduction 72, result has 97.3 percent of original size [2021-02-19 22:27:27,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:27,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:27,635 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2021-02-19 22:27:27,636 INFO L354 Elim1Store]: treesize reduction 20, result has 71.8 percent of original size [2021-02-19 22:27:27,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 55 treesize of output 82 [2021-02-19 22:27:27,664 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:27,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:27,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:27,809 INFO L354 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-02-19 22:27:27,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 55 treesize of output 78 [2021-02-19 22:27:27,854 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:33,823 WARN L202 SmtUtils]: Spent 5.97 s on a formula simplification. DAG size of input: 485 DAG size of output: 472 [2021-02-19 22:27:33,825 INFO L628 ElimStorePlain]: treesize reduction 63, result has 97.6 percent of original size [2021-02-19 22:27:33,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:33,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:33,983 INFO L354 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-02-19 22:27:33,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 44 treesize of output 73 [2021-02-19 22:27:34,017 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:34,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:34,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:34,200 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2021-02-19 22:27:34,200 INFO L354 Elim1Store]: treesize reduction 20, result has 71.8 percent of original size [2021-02-19 22:27:34,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 44 treesize of output 77 [2021-02-19 22:27:34,222 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:40,230 WARN L202 SmtUtils]: Spent 6.01 s on a formula simplification. DAG size of input: 470 DAG size of output: 464 [2021-02-19 22:27:40,231 INFO L628 ElimStorePlain]: treesize reduction 36, result has 98.6 percent of original size [2021-02-19 22:27:40,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:40,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:40,442 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-02-19 22:27:40,442 INFO L354 Elim1Store]: treesize reduction 12, result has 83.1 percent of original size [2021-02-19 22:27:40,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 60 treesize of output 90 [2021-02-19 22:27:40,494 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:40,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:40,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:40,684 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2021-02-19 22:27:40,685 INFO L354 Elim1Store]: treesize reduction 16, result has 77.5 percent of original size [2021-02-19 22:27:40,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 55 treesize of output 83 [2021-02-19 22:27:40,722 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:51,182 WARN L202 SmtUtils]: Spent 10.46 s on a formula simplification. DAG size of input: 495 DAG size of output: 479 [2021-02-19 22:27:51,184 INFO L628 ElimStorePlain]: treesize reduction 76, result has 97.1 percent of original size [2021-02-19 22:27:51,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:51,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:51,394 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2021-02-19 22:27:51,395 INFO L354 Elim1Store]: treesize reduction 20, result has 71.8 percent of original size [2021-02-19 22:27:51,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 107 treesize of output 94 [2021-02-19 22:27:51,455 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:51,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:51,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:51,643 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2021-02-19 22:27:51,644 INFO L354 Elim1Store]: treesize reduction 20, result has 71.8 percent of original size [2021-02-19 22:27:51,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 107 treesize of output 94 [2021-02-19 22:27:51,743 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:59,585 WARN L202 SmtUtils]: Spent 7.84 s on a formula simplification. DAG size of input: 534 DAG size of output: 478 [2021-02-19 22:27:59,587 INFO L628 ElimStorePlain]: treesize reduction 309, result has 88.8 percent of original size [2021-02-19 22:28:01,268 INFO L550 ElimStorePlain]: Start of recursive call 1: 29 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-02-19 22:28:01,269 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 45 variables, input treesize:2889, output treesize:6430 [2021-02-19 22:28:04,220 WARN L202 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 376 DAG size of output: 99 [2021-02-19 22:28:04,498 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:28:04,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:28:04,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-02-19 22:28:04,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351540001] [2021-02-19 22:28:04,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-19 22:28:04,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:28:04,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-19 22:28:04,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=518, Unknown=0, NotChecked=0, Total=600 [2021-02-19 22:28:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:28:04,500 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:28:04,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 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) [2021-02-19 22:28:04,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:28:04,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:28:04,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:28:04,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:28:04,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:28:04,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:28:04,993 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 55 [2021-02-19 22:28:05,223 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-02-19 22:28:05,692 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-02-19 22:28:06,065 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2021-02-19 22:28:06,545 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2021-02-19 22:28:07,101 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 102 [2021-02-19 22:28:08,536 WARN L202 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 131 DAG size of output: 125 [2021-02-19 22:28:12,217 WARN L202 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 234 DAG size of output: 211 [2021-02-19 22:28:12,740 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2021-02-19 22:28:13,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:28:13,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:28:13,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:28:13,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:28:13,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:28:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:28:13,238 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-02-19 22:28:13,238 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:28:13,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:28:13,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1910010956, now seen corresponding path program 3 times [2021-02-19 22:28:13,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:28:13,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313342215] [2021-02-19 22:28:13,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:28:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:28:13,437 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:28:13,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313342215] [2021-02-19 22:28:13,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088158506] [2021-02-19 22:28:13,438 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 [2021-02-19 22:28:13,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-02-19 22:28:13,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:28:13,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2021-02-19 22:28:13,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:28:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:28:13,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:28:13,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-02-19 22:28:13,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33355157] [2021-02-19 22:28:13,841 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-02-19 22:28:13,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:28:13,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-02-19 22:28:13,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-02-19 22:28:13,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:28:13,842 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:28:13,842 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) [2021-02-19 22:28:13,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:28:13,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:28:13,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:28:13,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:28:13,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:28:13,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:28:13,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:28:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:28:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:28:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:28:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:28:14,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:28:14,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:28:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:28:14,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable661,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:28:14,894 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:28:14,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:28:14,895 INFO L82 PathProgramCache]: Analyzing trace with hash -2092404080, now seen corresponding path program 4 times [2021-02-19 22:28:14,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:28:14,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305997717] [2021-02-19 22:28:14,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:28:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:28:15,037 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:28:15,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305997717] [2021-02-19 22:28:15,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539132294] [2021-02-19 22:28:15,038 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 [2021-02-19 22:28:15,068 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 22:28:15,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:28:15,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2021-02-19 22:28:15,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:28:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:28:15,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:28:15,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-02-19 22:28:15,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645390629] [2021-02-19 22:28:15,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-19 22:28:15,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:28:15,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-19 22:28:15,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-02-19 22:28:15,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:28:15,309 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:28:15,310 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) [2021-02-19 22:28:15,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:28:15,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:28:15,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:28:15,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:28:15,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:28:15,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:28:15,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:28:15,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:28:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:28:15,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:28:15,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:28:15,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:28:15,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:28:15,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:28:15,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:28:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:28:15,810 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable662 [2021-02-19 22:28:15,810 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:28:15,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:28:15,811 INFO L82 PathProgramCache]: Analyzing trace with hash 895664750, now seen corresponding path program 5 times [2021-02-19 22:28:15,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:28:15,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228218687] [2021-02-19 22:28:15,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:28:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:28:16,612 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2021-02-19 22:28:16,896 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 43 [2021-02-19 22:28:17,432 WARN L202 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-02-19 22:28:18,594 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-19 22:28:20,031 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 183 DAG size of output: 151 [2021-02-19 22:28:21,454 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 177 DAG size of output: 146 [2021-02-19 22:28:22,513 WARN L202 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 99 [2021-02-19 22:28:23,218 WARN L202 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 67 [2021-02-19 22:28:23,565 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 41 [2021-02-19 22:28:23,918 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 37 [2021-02-19 22:28:24,214 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 26 [2021-02-19 22:28:24,551 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 16 [2021-02-19 22:28:24,581 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:28:24,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228218687] [2021-02-19 22:28:24,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285915299] [2021-02-19 22:28:24,582 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 [2021-02-19 22:28:24,624 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-02-19 22:28:24,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:28:24,625 WARN L261 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 53 conjunts are in the unsatisfiable core [2021-02-19 22:28:24,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:28:25,226 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-02-19 22:28:25,520 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-19 22:28:28,412 WARN L202 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 132 [2021-02-19 22:28:31,440 WARN L202 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 376 [2021-02-19 22:28:35,544 WARN L202 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 381 [2021-02-19 22:28:38,973 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 382 [2021-02-19 22:28:42,432 WARN L202 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 384 [2021-02-19 22:28:45,726 WARN L202 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 383 [2021-02-19 22:28:48,392 WARN L202 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 372 [2021-02-19 22:28:52,019 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 371 [2021-02-19 22:28:53,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:53,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:53,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:28:53,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:53,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:53,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:28:53,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 30 [2021-02-19 22:28:53,880 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:28:53,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:53,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:53,939 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:28:53,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:53,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2021-02-19 22:28:53,950 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 22:29:04,792 WARN L202 SmtUtils]: Spent 10.84 s on a formula simplification. DAG size of input: 860 DAG size of output: 771 [2021-02-19 22:29:04,795 INFO L628 ElimStorePlain]: treesize reduction 1879, result has 59.0 percent of original size [2021-02-19 22:29:04,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:04,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:04,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:04,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:04,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:04,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2021-02-19 22:29:04,865 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 22:29:09,152 WARN L202 SmtUtils]: Spent 4.29 s on a formula simplification that was a NOOP. DAG size: 759 [2021-02-19 22:29:09,153 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:29:09,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:09,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:09,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:09,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:09,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:09,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 29 [2021-02-19 22:29:09,209 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 22:29:13,496 WARN L202 SmtUtils]: Spent 4.29 s on a formula simplification that was a NOOP. DAG size: 745 [2021-02-19 22:29:13,497 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:29:13,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:13,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:13,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:13,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:13,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:13,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 40 [2021-02-19 22:29:13,556 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 22:29:17,878 WARN L202 SmtUtils]: Spent 4.32 s on a formula simplification that was a NOOP. DAG size: 727 [2021-02-19 22:29:17,879 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:29:17,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:17,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:17,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:17,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:17,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:17,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-02-19 22:29:17,940 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 22:29:22,242 WARN L202 SmtUtils]: Spent 4.30 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-19 22:29:22,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:29:22,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:22,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:22,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:22,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:22,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:22,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2021-02-19 22:29:22,305 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-02-19 22:29:26,578 WARN L202 SmtUtils]: Spent 4.27 s on a formula simplification that was a NOOP. DAG size: 697 [2021-02-19 22:29:26,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:29:26,612 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:26,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:26,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:26,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:26,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:26,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 34 [2021-02-19 22:29:26,633 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-02-19 22:29:31,063 WARN L202 SmtUtils]: Spent 4.43 s on a formula simplification that was a NOOP. DAG size: 679 [2021-02-19 22:29:31,064 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:29:31,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:31,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:31,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:31,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:31,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2021-02-19 22:29:31,123 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-02-19 22:29:35,510 WARN L202 SmtUtils]: Spent 4.39 s on a formula simplification that was a NOOP. DAG size: 666 [2021-02-19 22:29:35,511 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:29:35,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:35,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:35,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:35,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:35,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2021-02-19 22:29:35,564 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-02-19 22:29:39,681 WARN L202 SmtUtils]: Spent 4.12 s on a formula simplification that was a NOOP. DAG size: 653 [2021-02-19 22:29:39,682 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:29:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:39,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:39,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:39,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:39,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:39,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:39,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 35 [2021-02-19 22:29:39,779 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-02-19 22:29:39,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:39,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:39,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:39,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:39,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:39,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 34 [2021-02-19 22:29:39,845 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-02-19 22:29:44,493 WARN L202 SmtUtils]: Spent 4.65 s on a formula simplification that was a NOOP. DAG size: 637 [2021-02-19 22:29:44,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:29:44,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:44,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:44,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:44,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:44,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:44,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 34 [2021-02-19 22:29:44,549 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-02-19 22:29:49,291 WARN L202 SmtUtils]: Spent 4.74 s on a formula simplification that was a NOOP. DAG size: 620 [2021-02-19 22:29:49,292 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:29:49,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:49,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:49,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:49,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:49,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:49,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-02-19 22:29:49,347 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-02-19 22:29:54,031 WARN L202 SmtUtils]: Spent 4.68 s on a formula simplification that was a NOOP. DAG size: 605 [2021-02-19 22:29:54,032 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:29:54,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:54,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:54,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:54,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:54,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:54,099 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:54,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 31 [2021-02-19 22:29:54,137 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-02-19 22:29:54,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:54,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:54,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:54,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:54,184 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:54,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 32 [2021-02-19 22:29:54,192 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-02-19 22:29:58,698 WARN L202 SmtUtils]: Spent 4.51 s on a formula simplification that was a NOOP. DAG size: 587 [2021-02-19 22:29:58,699 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:29:58,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:58,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:58,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:58,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:58,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:58,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27 [2021-02-19 22:29:58,759 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:03,177 WARN L202 SmtUtils]: Spent 4.42 s on a formula simplification that was a NOOP. DAG size: 571 [2021-02-19 22:30:03,178 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:03,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:03,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:03,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:03,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:03,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:03,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:03,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:03,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-02-19 22:30:03,296 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:03,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:03,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:03,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:03,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:03,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:03,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:03,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2021-02-19 22:30:03,359 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:07,583 WARN L202 SmtUtils]: Spent 4.22 s on a formula simplification that was a NOOP. DAG size: 552 [2021-02-19 22:30:07,584 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:07,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:07,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:07,626 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:07,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:07,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2021-02-19 22:30:07,639 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:11,749 WARN L202 SmtUtils]: Spent 4.11 s on a formula simplification that was a NOOP. DAG size: 537 [2021-02-19 22:30:11,750 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:11,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:11,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:11,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:11,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:11,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:11,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:11,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 37 [2021-02-19 22:30:11,866 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:11,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:11,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:11,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:11,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:11,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:11,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 35 [2021-02-19 22:30:11,935 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:15,902 WARN L202 SmtUtils]: Spent 3.97 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-19 22:30:15,904 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:15,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:15,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:15,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:15,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:15,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:15,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27 [2021-02-19 22:30:15,960 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:19,831 WARN L202 SmtUtils]: Spent 3.87 s on a formula simplification that was a NOOP. DAG size: 501 [2021-02-19 22:30:19,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:19,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:19,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:19,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:19,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:19,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 29 [2021-02-19 22:30:19,886 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:23,848 WARN L202 SmtUtils]: Spent 3.96 s on a formula simplification that was a NOOP. DAG size: 485 [2021-02-19 22:30:23,850 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:23,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:23,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:23,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:23,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:23,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:23,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:23,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 35 [2021-02-19 22:30:23,982 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:24,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:24,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:24,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:24,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:24,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:24,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 33 [2021-02-19 22:30:24,046 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:27,694 WARN L202 SmtUtils]: Spent 3.65 s on a formula simplification that was a NOOP. DAG size: 466 [2021-02-19 22:30:27,695 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:27,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:27,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:27,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:27,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:27,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:27,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2021-02-19 22:30:27,750 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:31,384 WARN L202 SmtUtils]: Spent 3.63 s on a formula simplification that was a NOOP. DAG size: 452 [2021-02-19 22:30:31,385 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:31,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:31,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:31,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:31,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:31,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-02-19 22:30:31,436 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:35,072 WARN L202 SmtUtils]: Spent 3.64 s on a formula simplification that was a NOOP. DAG size: 438 [2021-02-19 22:30:35,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:35,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:35,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:35,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:35,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:35,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:35,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-02-19 22:30:35,145 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:38,751 WARN L202 SmtUtils]: Spent 3.61 s on a formula simplification that was a NOOP. DAG size: 421 [2021-02-19 22:30:38,753 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:38,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:38,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:38,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:38,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:38,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:38,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:38,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 44 [2021-02-19 22:30:38,856 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:38,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:38,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:38,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:38,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:38,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:38,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 46 [2021-02-19 22:30:38,907 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:42,323 WARN L202 SmtUtils]: Spent 3.41 s on a formula simplification that was a NOOP. DAG size: 399 [2021-02-19 22:30:42,324 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:42,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:42,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:42,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:42,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:42,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2021-02-19 22:30:42,378 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:45,839 WARN L202 SmtUtils]: Spent 3.46 s on a formula simplification that was a NOOP. DAG size: 385 [2021-02-19 22:30:45,841 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:45,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:45,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:45,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:45,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:45,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:45,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 31 [2021-02-19 22:30:45,892 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:49,222 WARN L202 SmtUtils]: Spent 3.33 s on a formula simplification that was a NOOP. DAG size: 368 [2021-02-19 22:30:49,223 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:49,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:49,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:49,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:49,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:49,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:49,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:49,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 40 [2021-02-19 22:30:49,346 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:49,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:49,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:49,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:49,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:49,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:49,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 38 [2021-02-19 22:30:49,398 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:52,476 WARN L202 SmtUtils]: Spent 3.08 s on a formula simplification that was a NOOP. DAG size: 347 [2021-02-19 22:30:52,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:52,506 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:52,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:52,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:52,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:52,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2021-02-19 22:30:52,548 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:55,527 WARN L202 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 331 [2021-02-19 22:30:55,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:55,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:55,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:55,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:55,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:55,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:55,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-02-19 22:30:55,578 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:58,540 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 315 [2021-02-19 22:30:58,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:58,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:58,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:58,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:58,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:58,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:58,592 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:58,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 31 [2021-02-19 22:30:58,648 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:58,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:58,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:58,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:58,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:58,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:58,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 32 [2021-02-19 22:30:58,701 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:01,355 WARN L202 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 295 [2021-02-19 22:31:01,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:31:01,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:01,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:01,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:01,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:01,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:01,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27 [2021-02-19 22:31:01,408 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:04,029 WARN L202 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 279 [2021-02-19 22:31:04,031 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:31:04,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:04,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:04,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:04,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:04,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:04,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2021-02-19 22:31:04,095 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:06,650 WARN L202 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 262 [2021-02-19 22:31:06,651 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:31:06,705 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-02-19 22:31:06,705 INFO L247 ElimStorePlain]: Needed 42 recursive calls to eliminate 96 variables, input treesize:4699, output treesize:177 [2021-02-19 22:31:07,411 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 20 [2021-02-19 22:31:07,594 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:31:07,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:31:07,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-02-19 22:31:07,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218752074] [2021-02-19 22:31:07,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-02-19 22:31:07,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:31:07,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-02-19 22:31:07,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=901, Unknown=0, NotChecked=0, Total=992 [2021-02-19 22:31:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:31:07,596 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:31:07,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 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) [2021-02-19 22:31:07,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:31:07,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:31:07,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:31:07,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:31:07,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:31:07,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:31:07,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:31:07,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:31:07,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:31:09,875 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 204 DAG size of output: 60 [2021-02-19 22:31:10,277 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2021-02-19 22:31:11,850 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 221 DAG size of output: 81 [2021-02-19 22:31:12,404 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2021-02-19 22:31:15,012 WARN L202 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 239 DAG size of output: 81 [2021-02-19 22:31:16,039 WARN L202 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-02-19 22:31:18,161 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 254 DAG size of output: 118 [2021-02-19 22:31:19,750 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 188 DAG size of output: 106 [2021-02-19 22:31:23,584 WARN L202 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 254 DAG size of output: 197 [2021-02-19 22:31:36,172 WARN L202 SmtUtils]: Spent 11.99 s on a formula simplification. DAG size of input: 252 DAG size of output: 232 [2021-02-19 22:32:07,545 WARN L202 SmtUtils]: Spent 30.52 s on a formula simplification. DAG size of input: 570 DAG size of output: 545 [2021-02-19 22:32:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:32:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:32:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:32:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:32:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:32:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:32:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:32:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:32:08,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:32:08,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable663 [2021-02-19 22:32:08,833 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:32:08,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:32:08,833 INFO L82 PathProgramCache]: Analyzing trace with hash -903310644, now seen corresponding path program 6 times [2021-02-19 22:32:08,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:32:08,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059956617] [2021-02-19 22:32:08,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:32:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:32:09,336 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:32:09,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059956617] [2021-02-19 22:32:09,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895354077] [2021-02-19 22:32:09,336 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 [2021-02-19 22:32:09,385 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-02-19 22:32:09,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:32:09,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjunts are in the unsatisfiable core [2021-02-19 22:32:09,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:32:10,713 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:32:10,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:32:10,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-02-19 22:32:10,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576195920] [2021-02-19 22:32:10,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-02-19 22:32:10,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:32:10,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-02-19 22:32:10,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2021-02-19 22:32:10,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:32:10,715 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:32:10,715 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) [2021-02-19 22:32:10,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:32:10,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:32:10,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:32:10,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:32:10,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:32:10,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:32:10,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:32:10,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:32:10,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:32:10,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:32:14,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:32:14,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:32:14,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:32:14,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:32:14,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:32:14,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:32:14,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:32:14,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:32:14,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:32:14,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:32:14,352 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable819,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:32:14,353 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:32:14,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:32:14,353 INFO L82 PathProgramCache]: Analyzing trace with hash -513453808, now seen corresponding path program 7 times [2021-02-19 22:32:14,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:32:14,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414511227] [2021-02-19 22:32:14,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:32:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:32:14,816 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:32:14,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414511227] [2021-02-19 22:32:14,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551139229] [2021-02-19 22:32:14,816 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 [2021-02-19 22:32:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:32:14,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjunts are in the unsatisfiable core [2021-02-19 22:32:14,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:32:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:32:15,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:32:15,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2021-02-19 22:32:15,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277941760] [2021-02-19 22:32:15,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-19 22:32:15,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:32:15,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-19 22:32:15,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2021-02-19 22:32:15,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:32:15,707 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:32:15,707 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) [2021-02-19 22:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:32:15,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:32:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:32:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:32:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:32:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:32:16,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:32:16,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:32:16,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:32:16,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:32:16,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:32:16,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:32:16,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:32:16,726 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable820,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:32:16,726 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:32:16,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:32:16,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1961303314, now seen corresponding path program 8 times [2021-02-19 22:32:16,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:32:16,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245503601] [2021-02-19 22:32:16,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:32:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:32:19,197 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2021-02-19 22:32:19,857 WARN L202 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 31 [2021-02-19 22:32:20,105 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 187 [2021-02-19 22:32:22,006 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 187 DAG size of output: 51 [2021-02-19 22:32:22,383 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 258 [2021-02-19 22:32:24,744 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 257 DAG size of output: 71 [2021-02-19 22:32:26,888 WARN L202 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 431 DAG size of output: 348 [2021-02-19 22:32:31,699 WARN L202 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 348 DAG size of output: 115 [2021-02-19 22:32:34,301 WARN L202 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 463 DAG size of output: 437 [2021-02-19 22:32:34,408 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 394 [2021-02-19 22:32:46,567 WARN L202 SmtUtils]: Spent 11.99 s on a formula simplification. DAG size of input: 437 DAG size of output: 181 [2021-02-19 22:32:49,897 WARN L202 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 585 DAG size of output: 540 [2021-02-19 22:32:50,050 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 497 [2021-02-19 22:33:05,445 WARN L202 SmtUtils]: Spent 15.20 s on a formula simplification. DAG size of input: 534 DAG size of output: 232 [2021-02-19 22:33:09,330 WARN L202 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 590 DAG size of output: 517 [2021-02-19 22:33:09,470 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 487 [2021-02-19 22:33:24,073 WARN L202 SmtUtils]: Spent 14.37 s on a formula simplification. DAG size of input: 517 DAG size of output: 234 [2021-02-19 22:33:27,519 WARN L202 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 518 DAG size of output: 506 [2021-02-19 22:33:27,647 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 471 [2021-02-19 22:33:43,989 WARN L202 SmtUtils]: Spent 16.01 s on a formula simplification. DAG size of input: 506 DAG size of output: 263 [2021-02-19 22:33:47,192 WARN L202 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 515 DAG size of output: 503 [2021-02-19 22:33:47,326 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 468 [2021-02-19 22:34:02,770 WARN L202 SmtUtils]: Spent 14.84 s on a formula simplification. DAG size of input: 503 DAG size of output: 260 [2021-02-19 22:34:08,003 WARN L202 SmtUtils]: Spent 5.23 s on a formula simplification. DAG size of input: 503 DAG size of output: 528 [2021-02-19 22:34:08,125 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 482 [2021-02-19 22:34:20,619 WARN L202 SmtUtils]: Spent 12.19 s on a formula simplification. DAG size of input: 528 DAG size of output: 202 [2021-02-19 22:34:21,952 WARN L202 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 453 DAG size of output: 360 [2021-02-19 22:34:29,414 WARN L202 SmtUtils]: Spent 7.11 s on a formula simplification. DAG size of input: 360 DAG size of output: 164 [2021-02-19 22:34:29,966 WARN L202 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 271 [2021-02-19 22:34:34,227 WARN L202 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 271 DAG size of output: 111 [2021-02-19 22:34:35,058 WARN L202 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 128 [2021-02-19 22:34:36,639 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2021-02-19 22:34:38,077 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 95 DAG size of output: 56 [2021-02-19 22:34:38,633 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2021-02-19 22:34:39,195 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2021-02-19 22:34:39,594 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 18 [2021-02-19 22:34:40,009 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 14 [2021-02-19 22:34:40,070 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:34:40,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245503601] [2021-02-19 22:34:40,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146373011] [2021-02-19 22:34:40,070 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 [2021-02-19 22:34:40,123 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 22:34:40,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:34:40,124 WARN L261 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 70 conjunts are in the unsatisfiable core [2021-02-19 22:34:40,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:34:40,690 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-02-19 22:34:41,154 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-19 22:34:41,790 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-02-19 22:34:42,660 WARN L202 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-02-19 22:34:43,983 WARN L202 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-02-19 22:34:45,577 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 159 Received shutdown request... [2021-02-19 22:34:59,909 WARN L219 SmtUtils]: Removed 76 from assertion stack [2021-02-19 22:35:00,118 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable821 [2021-02-19 22:35:00,118 WARN L545 AbstractCegarLoop]: Verification canceled [2021-02-19 22:35:00,122 WARN L224 ceAbstractionStarter]: Timeout [2021-02-19 22:35:00,122 INFO L202 PluginConnector]: Adding new model mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 10:35:00 BasicIcfg [2021-02-19 22:35:00,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 22:35:00,123 INFO L168 Benchmark]: Toolchain (without parser) took 539237.53 ms. Allocated memory was 255.9 MB in the beginning and 614.5 MB in the end (delta: 358.6 MB). Free memory was 236.7 MB in the beginning and 272.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 381.4 MB. Max. memory is 16.0 GB. [2021-02-19 22:35:00,123 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 237.8 MB in the end (delta: 180.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 22:35:00,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.55 ms. Allocated memory is still 255.9 MB. Free memory was 236.3 MB in the beginning and 234.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 22:35:00,123 INFO L168 Benchmark]: Boogie Preprocessor took 25.55 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-02-19 22:35:00,123 INFO L168 Benchmark]: RCFGBuilder took 383.56 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 236.9 MB in the end (delta: -3.3 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.0 GB. [2021-02-19 22:35:00,123 INFO L168 Benchmark]: TraceAbstraction took 538782.70 ms. Allocated memory was 255.9 MB in the beginning and 614.5 MB in the end (delta: 358.6 MB). Free memory was 236.2 MB in the beginning and 272.0 MB in the end (delta: -35.8 MB). Peak memory consumption was 380.6 MB. Max. memory is 16.0 GB. [2021-02-19 22:35:00,123 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 0.22 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 237.8 MB in the end (delta: 180.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 37.55 ms. Allocated memory is still 255.9 MB. Free memory was 236.3 MB in the beginning and 234.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.55 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 383.56 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 236.9 MB in the end (delta: -3.3 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 538782.70 ms. Allocated memory was 255.9 MB in the beginning and 614.5 MB in the end (delta: 358.6 MB). Free memory was 236.2 MB in the beginning and 272.0 MB in the end (delta: -35.8 MB). Peak memory consumption was 380.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 67). Cancelled while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 277 for 11349ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 538.6s, OverallIterations: 12, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 296.7s InterpolantComputationTime, 626 NumberOfCodeBlocks, 626 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 606 ConstructedInterpolants, 28 QuantifiedInterpolants, 2451409 SizeOfPredicates, 41 NumberOfNonLiveVariables, 798 ConjunctsInSsa, 181 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 176/505 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