/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 05:46:35,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 05:46:35,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 05:46:35,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 05:46:35,571 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 05:46:35,586 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 05:46:35,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 05:46:35,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 05:46:35,586 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 05:46:35,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 05:46:35,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 05:46:35,587 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 05:46:35,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 05:46:35,588 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 05:46:35,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 05:46:35,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 05:46:35,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 05:46:35,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 05:46:35,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 05:46:35,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 05:46:35,589 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 05:46:35,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 05:46:35,589 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 05:46:35,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 05:46:35,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 05:46:35,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 05:46:35,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 05:46:35,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 05:46:35,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 05:46:35,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 05:46:35,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 05:46:35,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 05:46:35,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 05:46:35,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 05:46:35,590 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 05:46:35,590 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 05:46:35,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 05:46:35,591 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 05:46:35,591 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 05:46:35,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 05:46:35,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 05:46:35,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 05:46:35,887 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 05:46:35,891 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 05:46:35,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl [2021-06-06 05:46:35,891 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-fun-alt.wvr.bpl' [2021-06-06 05:46:35,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 05:46:35,915 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 05:46:35,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 05:46:35,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 05:46:35,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 05:46:35,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:35" (1/1) ... [2021-06-06 05:46:35,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:35" (1/1) ... [2021-06-06 05:46:35,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 05:46:35,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 05:46:35,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 05:46:35,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 05:46:35,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:35" (1/1) ... [2021-06-06 05:46:35,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:35" (1/1) ... [2021-06-06 05:46:35,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:35" (1/1) ... [2021-06-06 05:46:35,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:35" (1/1) ... [2021-06-06 05:46:35,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:35" (1/1) ... [2021-06-06 05:46:35,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:35" (1/1) ... [2021-06-06 05:46:35,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:35" (1/1) ... [2021-06-06 05:46:35,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 05:46:35,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 05:46:35,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 05:46:35,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 05:46:35,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 05:46:36,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 05:46:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 05:46:36,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 05:46:36,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 05:46:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 05:46:36,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 05:46:36,010 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 05:46:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 05:46:36,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 05:46:36,011 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 05:46:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 05:46:36,011 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 05:46:36,011 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 05:46:36,152 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 05:46:36,153 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 05:46:36,154 INFO L202 PluginConnector]: Adding new model max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:46:36 BoogieIcfgContainer [2021-06-06 05:46:36,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 05:46:36,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 05:46:36,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 05:46:36,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 05:46:36,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:46:35" (1/2) ... [2021-06-06 05:46:36,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173ce86d and model type max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 05:46:36, skipping insertion in model container [2021-06-06 05:46:36,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:46:36" (2/2) ... [2021-06-06 05:46:36,159 INFO L111 eAbstractionObserver]: Analyzing ICFG max-fun-alt.wvr.bpl [2021-06-06 05:46:36,163 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 05:46:36,163 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 05:46:36,163 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 05:46:36,163 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 05:46:36,197 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 05:46:36,211 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 05:46:36,252 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 05:46:36,252 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 05:46:36,252 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 05:46:36,252 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 05:46:36,252 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 05:46:36,252 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 05:46:36,252 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 05:46:36,252 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 05:46:36,357 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:36,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:36,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1399820781, now seen corresponding path program 1 times [2021-06-06 05:46:36,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:36,371 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356230827] [2021-06-06 05:46:36,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:36,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:36,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:36,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356230827] [2021-06-06 05:46:36,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356230827] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 05:46:36,527 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 05:46:36,527 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 05:46:36,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128166444] [2021-06-06 05:46:36,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 05:46:36,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:36,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 05:46:36,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 05:46:36,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:36,540 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:36,541 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2021-06-06 05:46:36,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:36,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:36,555 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 05:46:36,555 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:36,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:36,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1882321483, now seen corresponding path program 1 times [2021-06-06 05:46:36,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:36,556 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077079827] [2021-06-06 05:46:36,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:36,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:46:36,616 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:36,616 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077079827] [2021-06-06 05:46:36,616 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077079827] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 05:46:36,616 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 05:46:36,616 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 05:46:36,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685974066] [2021-06-06 05:46:36,617 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 05:46:36,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:36,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 05:46:36,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 05:46:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:36,618 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:36,618 INFO L483 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) [2021-06-06 05:46:36,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:36,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:36,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:36,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:36,653 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 05:46:36,653 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:36,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:36,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1166833961, now seen corresponding path program 1 times [2021-06-06 05:46:36,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:36,654 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633545537] [2021-06-06 05:46:36,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:36,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:36,995 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:36,995 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633545537] [2021-06-06 05:46:36,996 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633545537] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:36,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229211741] [2021-06-06 05:46:36,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:37,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 05:46:37,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:37,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 05:46:37,318 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:37,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 05:46:37,322 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:37,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-06-06 05:46:37,328 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:37,335 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:37,338 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 05:46:37,338 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:91, output treesize:15 [2021-06-06 05:46:37,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:37,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229211741] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:37,382 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:37,382 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 05:46:37,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100552036] [2021-06-06 05:46:37,383 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 05:46:37,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:37,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 05:46:37,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-06 05:46:37,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:37,386 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:37,386 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:46:37,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:37,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:37,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:37,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:37,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:37,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:37,721 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:37,721 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:37,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:37,721 INFO L82 PathProgramCache]: Analyzing trace with hash 2135652999, now seen corresponding path program 2 times [2021-06-06 05:46:37,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:37,722 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043441652] [2021-06-06 05:46:37,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:37,762 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:37,763 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:37,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043441652] [2021-06-06 05:46:37,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043441652] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:37,763 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212634766] [2021-06-06 05:46:37,763 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 [2021-06-06 05:46:37,794 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:46:37,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:46:37,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 05:46:37,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:37,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:37,880 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212634766] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:37,880 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:37,880 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 05:46:37,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828481550] [2021-06-06 05:46:37,880 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 05:46:37,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:37,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 05:46:37,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 05:46:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:37,881 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:37,881 INFO L483 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) [2021-06-06 05:46:37,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:37,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:37,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:37,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:38,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:38,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:38,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:38,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:38,229 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:38,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:38,229 INFO L82 PathProgramCache]: Analyzing trace with hash -357408053, now seen corresponding path program 1 times [2021-06-06 05:46:38,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:38,229 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571058710] [2021-06-06 05:46:38,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:38,272 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:46:38,272 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:38,272 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571058710] [2021-06-06 05:46:38,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571058710] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:38,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327812711] [2021-06-06 05:46:38,273 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 [2021-06-06 05:46:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:38,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 05:46:38,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:46:38,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327812711] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:38,417 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:46:38,417 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 05:46:38,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412900023] [2021-06-06 05:46:38,417 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 05:46:38,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:46:38,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 05:46:38,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 05:46:38,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:38,420 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:46:38,420 INFO L483 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) [2021-06-06 05:46:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:38,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:46:38,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:46:38,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:46:38,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:46:38,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:46:38,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:46:38,724 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:46:38,725 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:46:38,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:46:38,725 INFO L82 PathProgramCache]: Analyzing trace with hash -336173655, now seen corresponding path program 2 times [2021-06-06 05:46:38,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:46:38,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499020972] [2021-06-06 05:46:38,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:46:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:46:39,148 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-06-06 05:46:39,290 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2021-06-06 05:46:39,443 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:46:39,444 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:46:39,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499020972] [2021-06-06 05:46:39,444 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499020972] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:46:39,444 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233117932] [2021-06-06 05:46:39,444 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 [2021-06-06 05:46:39,479 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:46:39,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:46:39,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-06 05:46:39,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:46:40,639 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-06-06 05:46:42,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:42,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:42,415 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 05:46:42,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 52 [2021-06-06 05:46:42,424 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:42,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:42,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:42,523 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 05:46:42,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 48 [2021-06-06 05:46:42,529 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:44,023 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-06 05:46:44,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:44,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:44,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:44,103 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 05:46:44,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 37 [2021-06-06 05:46:44,117 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:44,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:44,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:44,209 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:46:44,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 50 [2021-06-06 05:46:44,216 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:45,628 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 333 [2021-06-06 05:46:45,629 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:45,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:45,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:45,744 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:45,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 60 [2021-06-06 05:46:45,766 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:45,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:45,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:45,833 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 05:46:45,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 31 [2021-06-06 05:46:45,836 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:47,164 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 319 [2021-06-06 05:46:47,165 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:47,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:47,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:47,250 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:46:47,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 38 [2021-06-06 05:46:47,253 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:47,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:47,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:47,346 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:46:47,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 54 [2021-06-06 05:46:47,366 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:49,971 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 313 DAG size of output: 308 [2021-06-06 05:46:49,972 INFO L628 ElimStorePlain]: treesize reduction 67, result has 96.6 percent of original size [2021-06-06 05:46:49,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:50,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:50,077 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:46:50,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 50 [2021-06-06 05:46:50,104 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:50,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:50,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:50,171 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:46:50,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 38 [2021-06-06 05:46:50,177 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:51,443 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 299 [2021-06-06 05:46:51,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:51,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:51,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:51,522 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:46:51,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 42 [2021-06-06 05:46:51,529 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:51,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:51,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:51,572 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-06 05:46:51,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 1 [2021-06-06 05:46:51,573 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:52,773 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 287 [2021-06-06 05:46:52,773 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:52,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:52,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:52,844 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 05:46:52,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 34 [2021-06-06 05:46:52,845 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:52,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:52,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:52,909 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:52,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 66 [2021-06-06 05:46:52,924 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:54,059 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 271 [2021-06-06 05:46:54,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:54,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:54,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:54,132 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:46:54,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 42 [2021-06-06 05:46:54,139 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:54,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:54,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:54,170 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-06 05:46:54,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 1 [2021-06-06 05:46:54,171 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:56,546 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 261 DAG size of output: 259 [2021-06-06 05:46:56,547 INFO L628 ElimStorePlain]: treesize reduction 13, result has 99.2 percent of original size [2021-06-06 05:46:56,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:56,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:56,628 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:46:56,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 50 [2021-06-06 05:46:56,635 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:56,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:56,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:56,686 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:46:56,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 35 [2021-06-06 05:46:56,691 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:57,658 WARN L205 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2021-06-06 05:46:57,659 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:57,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:57,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:57,719 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:46:57,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 39 [2021-06-06 05:46:57,725 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:57,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:57,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:57,755 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-06 05:46:57,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 1 [2021-06-06 05:46:57,756 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:58,673 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-06-06 05:46:58,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:58,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:58,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:58,754 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 05:46:58,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 49 [2021-06-06 05:46:58,763 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:58,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:58,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:58,823 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 05:46:58,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 48 [2021-06-06 05:46:58,831 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:59,668 WARN L205 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-06-06 05:46:59,668 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:46:59,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:59,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:59,737 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:46:59,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 42 [2021-06-06 05:46:59,743 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 05:46:59,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:59,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:46:59,788 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-06-06 05:46:59,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 34 [2021-06-06 05:46:59,791 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:01,305 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2021-06-06 05:47:01,306 INFO L628 ElimStorePlain]: treesize reduction 16, result has 98.8 percent of original size [2021-06-06 05:47:01,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:01,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:01,385 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:47:01,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 50 [2021-06-06 05:47:01,397 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:01,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:01,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:01,442 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 05:47:01,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 40 [2021-06-06 05:47:01,445 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:02,147 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2021-06-06 05:47:02,148 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:02,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:02,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:02,207 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:47:02,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 50 [2021-06-06 05:47:02,219 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:02,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:02,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:02,261 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 05:47:02,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 40 [2021-06-06 05:47:02,271 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:03,616 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 185 DAG size of output: 181 [2021-06-06 05:47:03,616 INFO L628 ElimStorePlain]: treesize reduction 17, result has 98.7 percent of original size [2021-06-06 05:47:03,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:03,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:03,675 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-06 05:47:03,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 54 [2021-06-06 05:47:03,692 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:03,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:03,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:03,712 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-06-06 05:47:03,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 1 [2021-06-06 05:47:03,713 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:04,301 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-06-06 05:47:04,302 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:04,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:04,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:04,355 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:47:04,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 38 [2021-06-06 05:47:04,357 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:04,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:04,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:04,395 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-06 05:47:04,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 42 [2021-06-06 05:47:04,403 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:05,459 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2021-06-06 05:47:05,459 INFO L628 ElimStorePlain]: treesize reduction 43, result has 96.1 percent of original size [2021-06-06 05:47:05,562 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 26 xjuncts. [2021-06-06 05:47:05,562 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2177, output treesize:1228 [2021-06-06 05:47:05,781 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 25 [2021-06-06 05:47:05,847 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:05,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233117932] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:05,847 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:47:05,847 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-06 05:47:05,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837496690] [2021-06-06 05:47:05,848 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 05:47:05,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:47:05,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 05:47:05,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-06 05:47:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:05,849 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:47:05,849 INFO L483 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) [2021-06-06 05:47:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:05,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:06,258 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 62 [2021-06-06 05:47:06,524 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-06-06 05:47:06,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:06,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:06,850 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-06 05:47:06,850 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:47:06,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:47:06,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1404753657, now seen corresponding path program 3 times [2021-06-06 05:47:06,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:47:06,851 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051567434] [2021-06-06 05:47:06,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:47:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:47:06,924 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:06,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:47:06,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051567434] [2021-06-06 05:47:06,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051567434] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:06,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430784028] [2021-06-06 05:47:06,924 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 [2021-06-06 05:47:06,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 05:47:06,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:47:06,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 05:47:06,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:47:07,120 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:07,120 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430784028] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:07,120 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:47:07,120 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 05:47:07,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545511248] [2021-06-06 05:47:07,121 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 05:47:07,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:47:07,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 05:47:07,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 05:47:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:07,122 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:47:07,122 INFO L483 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) [2021-06-06 05:47:07,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:07,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:07,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:07,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:07,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:07,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:07,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:07,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:47:07,707 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:47:07,708 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:47:07,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:47:07,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1909403317, now seen corresponding path program 4 times [2021-06-06 05:47:07,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:47:07,708 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533338185] [2021-06-06 05:47:07,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:47:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:47:07,785 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:47:07,785 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:47:07,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533338185] [2021-06-06 05:47:07,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533338185] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:07,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476548291] [2021-06-06 05:47:07,785 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 [2021-06-06 05:47:07,815 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 05:47:07,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:47:07,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 05:47:07,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:47:07,929 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:47:07,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476548291] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:07,930 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:47:07,930 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 05:47:07,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170089452] [2021-06-06 05:47:07,930 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 05:47:07,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:47:07,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 05:47:07,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 05:47:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:07,931 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:47:07,931 INFO L483 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) [2021-06-06 05:47:07,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:07,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:07,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:07,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:07,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:07,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:07,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:47:07,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:08,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:08,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:08,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:08,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:08,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:08,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:08,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:47:08,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:08,252 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable287 [2021-06-06 05:47:08,255 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:47:08,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:47:08,255 INFO L82 PathProgramCache]: Analyzing trace with hash 665523753, now seen corresponding path program 5 times [2021-06-06 05:47:08,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:47:08,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850455583] [2021-06-06 05:47:08,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:47:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:47:08,864 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 60 [2021-06-06 05:47:09,196 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 100 [2021-06-06 05:47:09,765 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2021-06-06 05:47:10,296 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 111 [2021-06-06 05:47:10,513 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2021-06-06 05:47:10,723 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2021-06-06 05:47:10,907 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:10,907 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:47:10,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850455583] [2021-06-06 05:47:10,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850455583] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:10,908 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457698788] [2021-06-06 05:47:10,908 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 [2021-06-06 05:47:10,959 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 05:47:10,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:47:10,960 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-06 05:47:10,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:47:12,659 WARN L205 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-06-06 05:47:14,004 WARN L205 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2021-06-06 05:47:15,926 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 361 [2021-06-06 05:47:17,532 WARN L205 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2021-06-06 05:47:19,190 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 364 [2021-06-06 05:47:20,630 WARN L205 SmtUtils]: Spent 999.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2021-06-06 05:47:21,782 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2021-06-06 05:47:23,392 WARN L205 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2021-06-06 05:47:24,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:24,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:24,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:24,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:24,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:24,097 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:24,111 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 22 [2021-06-06 05:47:24,113 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:24,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:24,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:24,151 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:24,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:24,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:24,155 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 25 [2021-06-06 05:47:24,156 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:29,000 WARN L205 SmtUtils]: Spent 4.84 s on a formula simplification. DAG size of input: 790 DAG size of output: 635 [2021-06-06 05:47:29,001 INFO L628 ElimStorePlain]: treesize reduction 2064, result has 44.1 percent of original size [2021-06-06 05:47:29,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:29,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:29,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:29,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:29,045 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 44 treesize of output 22 [2021-06-06 05:47:29,047 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:30,194 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 623 [2021-06-06 05:47:30,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:30,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:30,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:30,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:30,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:30,233 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 22 [2021-06-06 05:47:30,235 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:31,310 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 611 [2021-06-06 05:47:31,310 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:31,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:31,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:31,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:31,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:31,339 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 44 treesize of output 22 [2021-06-06 05:47:31,340 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:32,396 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 599 [2021-06-06 05:47:32,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:32,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:32,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:32,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:32,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:32,423 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 22 [2021-06-06 05:47:32,424 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:33,449 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 587 [2021-06-06 05:47:33,449 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:33,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:33,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:33,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:33,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:33,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:33,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:33,479 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 22 [2021-06-06 05:47:33,480 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:34,477 WARN L205 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2021-06-06 05:47:34,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:34,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:34,509 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 44 treesize of output 22 [2021-06-06 05:47:34,518 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:35,441 WARN L205 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2021-06-06 05:47:35,441 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:35,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:35,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:35,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:35,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:35,469 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 44 treesize of output 22 [2021-06-06 05:47:35,471 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:36,334 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 547 [2021-06-06 05:47:36,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:36,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:36,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:36,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:36,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:36,360 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 38 treesize of output 22 [2021-06-06 05:47:36,362 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:37,201 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2021-06-06 05:47:37,201 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:37,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:37,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:37,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:37,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:37,225 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 22 [2021-06-06 05:47:37,227 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:38,009 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 522 [2021-06-06 05:47:38,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:38,010 INFO L518 ElimStorePlain]: Eliminatee v_prenex_146 vanished before elimination [2021-06-06 05:47:38,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:38,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:38,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:38,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:38,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:38,034 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 22 [2021-06-06 05:47:38,039 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:38,792 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2021-06-06 05:47:38,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:38,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:38,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:38,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:38,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:38,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:38,828 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 38 treesize of output 22 [2021-06-06 05:47:38,831 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:39,570 WARN L205 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2021-06-06 05:47:39,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:39,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:39,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:39,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:39,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:39,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:39,599 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 36 treesize of output 22 [2021-06-06 05:47:39,601 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:40,312 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 482 [2021-06-06 05:47:40,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:40,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:40,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:40,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:40,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:40,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:40,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:40,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:40,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:40,355 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 22 [2021-06-06 05:47:40,356 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:41,025 WARN L205 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 468 [2021-06-06 05:47:41,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:41,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:41,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:41,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:41,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:41,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:41,049 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 22 [2021-06-06 05:47:41,050 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:41,716 WARN L205 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2021-06-06 05:47:41,716 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:41,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:41,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:41,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:41,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:41,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:41,740 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 22 [2021-06-06 05:47:41,742 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:42,364 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 440 [2021-06-06 05:47:42,364 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:42,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:42,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:42,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:42,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:42,386 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 44 treesize of output 22 [2021-06-06 05:47:42,388 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:42,992 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2021-06-06 05:47:42,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:43,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:43,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:43,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:43,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:43,016 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 40 treesize of output 22 [2021-06-06 05:47:43,017 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:43,595 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2021-06-06 05:47:43,596 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:43,613 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:43,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:43,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:43,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:43,617 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 22 [2021-06-06 05:47:43,619 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:44,158 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2021-06-06 05:47:44,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:44,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:44,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:44,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:44,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:44,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:44,179 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 22 [2021-06-06 05:47:44,180 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:44,705 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2021-06-06 05:47:44,705 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:44,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:44,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:44,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:44,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:44,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:44,728 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 22 [2021-06-06 05:47:44,730 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:45,239 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2021-06-06 05:47:45,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:45,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:45,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:45,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:45,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:45,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:45,261 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 22 [2021-06-06 05:47:45,263 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:45,731 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2021-06-06 05:47:45,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:45,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:45,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:45,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:45,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:45,750 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 44 treesize of output 22 [2021-06-06 05:47:45,752 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:46,187 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-06-06 05:47:46,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:46,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:46,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:46,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:46,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:46,205 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 44 treesize of output 22 [2021-06-06 05:47:46,207 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:46,622 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2021-06-06 05:47:46,622 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:46,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:46,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:46,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:46,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:46,642 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 22 [2021-06-06 05:47:46,643 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:47,036 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2021-06-06 05:47:47,037 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:47,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:47,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:47,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:47,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:47,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:47,058 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 22 [2021-06-06 05:47:47,059 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:47,438 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 305 [2021-06-06 05:47:47,438 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:47,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:47,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:47,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:47,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:47,454 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 22 [2021-06-06 05:47:47,456 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:47,806 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2021-06-06 05:47:47,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:47,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:47,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:47,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:47,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:47,824 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 44 treesize of output 22 [2021-06-06 05:47:47,825 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:48,157 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2021-06-06 05:47:48,157 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:48,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:48,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:48,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:48,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:48,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:48,174 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 22 [2021-06-06 05:47:48,182 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:48,517 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-06-06 05:47:48,517 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:48,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:48,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:48,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:48,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:48,533 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 40 treesize of output 22 [2021-06-06 05:47:48,535 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:48,831 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-06-06 05:47:48,831 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:48,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:47:48,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:48,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:48,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:48,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:47:48,846 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 22 [2021-06-06 05:47:48,848 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 05:47:49,123 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2021-06-06 05:47:49,124 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:47:49,157 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 10 xjuncts. [2021-06-06 05:47:49,157 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 96 variables, input treesize:3792, output treesize:71 [2021-06-06 05:47:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:47:49,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457698788] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:47:49,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:47:49,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-06 05:47:49,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620280621] [2021-06-06 05:47:49,283 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 05:47:49,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:47:49,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 05:47:49,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=898, Unknown=0, NotChecked=0, Total=992 [2021-06-06 05:47:49,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:49,283 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:47:49,284 INFO L483 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) [2021-06-06 05:47:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:47:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:49,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:47:49,715 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 33 [2021-06-06 05:47:50,108 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 41 [2021-06-06 05:47:50,588 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 63 [2021-06-06 05:47:50,809 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 57 [2021-06-06 05:47:51,154 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 58 [2021-06-06 05:47:51,439 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 83 [2021-06-06 05:47:52,323 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 125 [2021-06-06 05:47:54,458 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 206 DAG size of output: 121 [2021-06-06 05:47:57,869 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 513 DAG size of output: 160 [2021-06-06 05:47:58,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:47:58,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:47:58,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:47:58,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:47:58,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:47:58,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:58,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 05:47:58,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 05:47:58,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:47:58,794 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable288 [2021-06-06 05:47:58,795 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:47:58,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:47:58,795 INFO L82 PathProgramCache]: Analyzing trace with hash 440189797, now seen corresponding path program 6 times [2021-06-06 05:47:58,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:47:58,795 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412691549] [2021-06-06 05:47:58,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:47:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:47:59,357 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2021-06-06 05:47:59,762 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 114 [2021-06-06 05:48:00,193 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 117 [2021-06-06 05:48:00,746 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 138 [2021-06-06 05:48:01,118 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2021-06-06 05:48:01,327 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 75 [2021-06-06 05:48:01,668 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:48:01,669 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:48:01,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412691549] [2021-06-06 05:48:01,669 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412691549] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:48:01,669 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279377461] [2021-06-06 05:48:01,669 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 [2021-06-06 05:48:01,717 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 05:48:01,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:48:01,718 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-06 05:48:01,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:48:02,360 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-06-06 05:48:02,544 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-06-06 05:48:05,705 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 168 [2021-06-06 05:48:09,366 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification that was a NOOP. DAG size: 669 [2021-06-06 05:48:14,665 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 678 [2021-06-06 05:48:18,833 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 679 [2021-06-06 05:48:23,272 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 681 [2021-06-06 05:48:27,506 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification that was a NOOP. DAG size: 682 [2021-06-06 05:48:31,729 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification that was a NOOP. DAG size: 685 [2021-06-06 05:48:34,957 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 684 [2021-06-06 05:48:36,590 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 1064 DAG size of output: 1064 [2021-06-06 05:48:36,807 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1447 DAG size of output: 1447 [2021-06-06 05:48:36,939 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 1447 DAG size of output: 1447 [2021-06-06 05:48:45,285 WARN L205 SmtUtils]: Spent 6.75 s on a formula simplification. DAG size of input: 1447 DAG size of output: 1075 [2021-06-06 05:48:49,548 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 1077 [2021-06-06 05:48:55,281 INFO L446 ElimStorePlain]: Different costs {11=[v_prenex_349, v_prenex_328, v_prenex_296, v_prenex_342, v_prenex_298, v_prenex_331, v_prenex_332, v_prenex_333, v_prenex_357, v_prenex_337], 15=[v_prenex_350, v_prenex_295, v_prenex_341, v_prenex_321, v_prenex_354, v_prenex_310, v_prenex_322, v_prenex_355, v_prenex_311, v_prenex_300, v_prenex_344, v_prenex_301, v_prenex_334, v_prenex_346, v_prenex_335, v_prenex_314, v_prenex_347, v_prenex_348, v_prenex_317, v_prenex_307, v_prenex_308], 18=[v_prenex_340, v_prenex_320, v_prenex_343, v_prenex_323, v_prenex_345, v_prenex_324, v_prenex_302, v_prenex_325, v_prenex_303, v_prenex_326, v_prenex_304, v_prenex_316, v_prenex_338, v_prenex_318, v_prenex_319, v_prenex_351, v_prenex_352, v_prenex_330, v_prenex_297, v_prenex_353, v_prenex_299, v_prenex_312, v_prenex_356, v_prenex_313, v_prenex_336, v_prenex_315, v_prenex_305, v_prenex_327, v_prenex_306, A, v_prenex_329, v_prenex_309], 21=[v_prenex_339]} [2021-06-06 05:48:55,480 INFO L244 Elim1Store]: Index analysis took 123 ms [2021-06-06 05:48:55,965 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:48:55,965 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:48:55,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 92 [2021-06-06 05:48:55,998 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:48:56,187 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-06-06 05:48:56,701 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 05:48:56,702 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 05:48:56,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 76 [2021-06-06 05:48:56,704 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:24,231 WARN L205 SmtUtils]: Spent 27.53 s on a formula simplification that was a NOOP. DAG size: 1817 [2021-06-06 05:49:24,232 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:24,588 INFO L244 Elim1Store]: Index analysis took 264 ms [2021-06-06 05:49:25,002 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-06 05:49:25,003 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:49:25,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 116 [2021-06-06 05:49:25,229 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:49:25,484 INFO L244 Elim1Store]: Index analysis took 175 ms [2021-06-06 05:49:26,066 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:49:26,066 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:49:26,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 05:49:26,079 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:50:20,654 WARN L205 SmtUtils]: Spent 54.57 s on a formula simplification. DAG size of input: 1822 DAG size of output: 1801 [2021-06-06 05:50:20,657 INFO L628 ElimStorePlain]: treesize reduction 95, result has 99.0 percent of original size [2021-06-06 05:50:21,044 INFO L244 Elim1Store]: Index analysis took 298 ms [2021-06-06 05:50:21,548 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 05:50:21,548 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 05:50:21,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 76 [2021-06-06 05:50:21,550 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:50:21,812 INFO L244 Elim1Store]: Index analysis took 181 ms [2021-06-06 05:50:22,317 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:50:22,318 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:50:22,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 05:50:22,354 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:51:16,719 WARN L205 SmtUtils]: Spent 54.36 s on a formula simplification. DAG size of input: 1800 DAG size of output: 1797 [2021-06-06 05:51:16,722 INFO L628 ElimStorePlain]: treesize reduction 14, result has 99.9 percent of original size [2021-06-06 05:51:17,059 INFO L244 Elim1Store]: Index analysis took 250 ms [2021-06-06 05:51:17,409 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-06 05:51:17,409 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:51:17,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 116 [2021-06-06 05:51:17,785 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:51:17,982 INFO L244 Elim1Store]: Index analysis took 108 ms [2021-06-06 05:51:18,617 WARN L205 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:51:18,617 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:51:18,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 05:51:18,655 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 05:52:13,223 WARN L205 SmtUtils]: Spent 54.57 s on a formula simplification. DAG size of input: 1839 DAG size of output: 1780 [2021-06-06 05:52:13,226 INFO L628 ElimStorePlain]: treesize reduction 411, result has 95.9 percent of original size [2021-06-06 05:52:13,628 INFO L244 Elim1Store]: Index analysis took 323 ms [2021-06-06 05:52:14,198 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:52:14,199 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:52:14,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 05:52:14,229 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 05:52:14,913 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 05:52:14,913 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 05:52:14,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 76 [2021-06-06 05:52:14,915 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 05:53:09,748 WARN L205 SmtUtils]: Spent 54.83 s on a formula simplification. DAG size of input: 1783 DAG size of output: 1777 [2021-06-06 05:53:09,752 INFO L628 ElimStorePlain]: treesize reduction 40, result has 99.6 percent of original size [2021-06-06 05:53:10,038 INFO L244 Elim1Store]: Index analysis took 208 ms [2021-06-06 05:53:10,456 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:53:10,456 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:53:10,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 41 treesize of output 89 [2021-06-06 05:53:10,476 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 05:53:11,078 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 05:53:11,078 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 05:53:11,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 46 treesize of output 76 [2021-06-06 05:53:11,081 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 05:53:38,226 WARN L205 SmtUtils]: Spent 27.14 s on a formula simplification that was a NOOP. DAG size: 1773 [2021-06-06 05:53:38,227 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:53:38,528 INFO L244 Elim1Store]: Index analysis took 210 ms [2021-06-06 05:53:39,176 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 05:53:39,176 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 05:53:39,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 76 [2021-06-06 05:53:39,179 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 05:53:39,768 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:53:39,768 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:53:39,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 05:53:39,790 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 05:54:32,618 WARN L205 SmtUtils]: Spent 52.83 s on a formula simplification. DAG size of input: 1772 DAG size of output: 1768 [2021-06-06 05:54:32,621 INFO L628 ElimStorePlain]: treesize reduction 34, result has 99.6 percent of original size [2021-06-06 05:54:32,864 INFO L244 Elim1Store]: Index analysis took 161 ms [2021-06-06 05:54:33,304 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:54:33,305 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:54:33,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 92 [2021-06-06 05:54:33,325 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 05:54:33,936 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 05:54:33,936 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 05:54:33,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 76 [2021-06-06 05:54:33,939 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 05:55:29,145 WARN L205 SmtUtils]: Spent 55.20 s on a formula simplification. DAG size of input: 1766 DAG size of output: 1762 [2021-06-06 05:55:29,149 INFO L628 ElimStorePlain]: treesize reduction 30, result has 99.7 percent of original size [2021-06-06 05:55:29,419 INFO L244 Elim1Store]: Index analysis took 186 ms [2021-06-06 05:55:29,748 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-06 05:55:29,748 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:55:29,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 116 [2021-06-06 05:55:30,008 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 05:55:30,216 INFO L244 Elim1Store]: Index analysis took 122 ms [2021-06-06 05:55:30,803 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:55:30,803 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:55:30,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 56 treesize of output 92 [2021-06-06 05:55:30,814 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 05:56:25,484 WARN L205 SmtUtils]: Spent 54.67 s on a formula simplification. DAG size of input: 1769 DAG size of output: 1745 [2021-06-06 05:56:25,487 INFO L628 ElimStorePlain]: treesize reduction 138, result has 98.6 percent of original size [2021-06-06 05:56:25,733 INFO L244 Elim1Store]: Index analysis took 164 ms [2021-06-06 05:56:26,425 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:56:26,425 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:56:26,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 05:56:26,445 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 05:56:26,938 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-06-06 05:56:26,938 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:56:26,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 116 [2021-06-06 05:56:27,352 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 05:57:20,691 WARN L205 SmtUtils]: Spent 53.34 s on a formula simplification. DAG size of input: 1755 DAG size of output: 1728 [2021-06-06 05:57:20,694 INFO L628 ElimStorePlain]: treesize reduction 152, result has 98.4 percent of original size [2021-06-06 05:57:20,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:57:20,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:57:20,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:57:20,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:57:20,971 INFO L244 Elim1Store]: Index analysis took 196 ms [2021-06-06 05:57:21,380 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2021-06-06 05:57:21,380 INFO L354 Elim1Store]: treesize reduction 40, result has 55.1 percent of original size [2021-06-06 05:57:21,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 76 [2021-06-06 05:57:21,382 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 05:57:21,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:57:21,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:57:21,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:57:21,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:57:21,569 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-06-06 05:57:22,063 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2021-06-06 05:57:22,063 INFO L354 Elim1Store]: treesize reduction 24, result has 73.0 percent of original size [2021-06-06 05:57:22,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 58 treesize of output 92 [2021-06-06 05:57:22,097 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 05:57:49,278 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new [2021-06-06 05:57:49,279 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-06-06 05:57:49,480 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable444 [2021-06-06 05:57:49,480 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:393) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:184) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:238) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:625) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:307) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:100) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:643) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:364) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 56 more [2021-06-06 05:57:49,485 INFO L168 Benchmark]: Toolchain (without parser) took 673570.20 ms. Allocated memory was 350.2 MB in the beginning and 539.0 MB in the end (delta: 188.7 MB). Free memory was 329.5 MB in the beginning and 493.7 MB in the end (delta: -164.2 MB). Peak memory consumption was 336.6 MB. Max. memory is 16.0 GB. [2021-06-06 05:57:49,485 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 350.2 MB. Free memory was 330.7 MB in the beginning and 330.6 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 05:57:49,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.87 ms. Allocated memory is still 350.2 MB. Free memory was 329.4 MB in the beginning and 328.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 05:57:49,486 INFO L168 Benchmark]: Boogie Preprocessor took 17.65 ms. Allocated memory is still 350.2 MB. Free memory was 328.0 MB in the beginning and 327.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 05:57:49,486 INFO L168 Benchmark]: RCFGBuilder took 200.94 ms. Allocated memory is still 350.2 MB. Free memory was 326.9 MB in the beginning and 314.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-06 05:57:49,486 INFO L168 Benchmark]: TraceAbstraction took 673329.90 ms. Allocated memory was 350.2 MB in the beginning and 539.0 MB in the end (delta: 188.7 MB). Free memory was 313.6 MB in the beginning and 493.7 MB in the end (delta: -180.1 MB). Peak memory consumption was 319.9 MB. Max. memory is 16.0 GB. [2021-06-06 05:57:49,486 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 0.13 ms. Allocated memory is still 350.2 MB. Free memory was 330.7 MB in the beginning and 330.6 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 17.87 ms. Allocated memory is still 350.2 MB. Free memory was 329.4 MB in the beginning and 328.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.65 ms. Allocated memory is still 350.2 MB. Free memory was 328.0 MB in the beginning and 327.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 200.94 ms. Allocated memory is still 350.2 MB. Free memory was 326.9 MB in the beginning and 314.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 673329.90 ms. Allocated memory was 350.2 MB in the beginning and 539.0 MB in the end (delta: 188.7 MB). Free memory was 313.6 MB in the beginning and 493.7 MB in the end (delta: -180.1 MB). Peak memory consumption was 319.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...