/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-19 22:26:18,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 22:26:18,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 22:26:18,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-19 22:26:18,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 22:26:18,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 22:26:18,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 22:26:18,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf [2021-02-19 22:26:18,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 22:26:18,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 22:26:18,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-19 22:26:18,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-19 22:26:18,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 22:26:18,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 22:26:18,358 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 22:26:18,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 22:26:18,359 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 22:26:18,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 22:26:18,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 22:26:18,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 22:26:18,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 22:26:18,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 22:26:18,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 22:26:18,360 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 22:26:18,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 22:26:18,360 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 22:26:18,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 22:26:18,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 22:26:18,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 22:26:18,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 22:26:18,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 22:26:18,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 22:26:18,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 22:26:18,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 22:26:18,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 22:26:18,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 22:26:18,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 22:26:18,362 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-19 22:26:18,362 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-19 22:26:18,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 22:26:18,363 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-02-19 22:26:18,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 22:26:18,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 22:26:18,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 22:26:18,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 22:26:18,697 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-19 22:26:18,699 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-19 22:26:18,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl [2021-02-19 22:26:18,700 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl' [2021-02-19 22:26:18,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 22:26:18,740 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 22:26:18,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-19 22:26:18,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-19 22:26:18,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-19 22:26:18,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:18" (1/1) ... [2021-02-19 22:26:18,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:18" (1/1) ... [2021-02-19 22:26:18,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-19 22:26:18,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 22:26:18,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 22:26:18,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 22:26:18,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:18" (1/1) ... [2021-02-19 22:26:18,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:18" (1/1) ... [2021-02-19 22:26:18,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:18" (1/1) ... [2021-02-19 22:26:18,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:18" (1/1) ... [2021-02-19 22:26:18,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:18" (1/1) ... [2021-02-19 22:26:18,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:18" (1/1) ... [2021-02-19 22:26:18,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:18" (1/1) ... [2021-02-19 22:26:18,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 22:26:18,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 22:26:18,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 22:26:18,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 22:26:18,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 22:26:18,847 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-19 22:26:18,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-19 22:26:18,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-19 22:26:18,847 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-19 22:26:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-19 22:26:18,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-19 22:26:18,848 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-19 22:26:18,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 22:26:18,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 22:26:18,848 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-02-19 22:26:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-02-19 22:26:18,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-02-19 22:26:18,851 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-19 22:26:19,140 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 22:26:19,141 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 22:26:19,142 INFO L202 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:26:19 BoogieIcfgContainer [2021-02-19 22:26:19,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 22:26:19,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 22:26:19,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 22:26:19,146 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 22:26:19,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:26:18" (1/2) ... [2021-02-19 22:26:19,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc21204 and model type mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 10:26:19, skipping insertion in model container [2021-02-19 22:26:19,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:26:19" (2/2) ... [2021-02-19 22:26:19,148 INFO L111 eAbstractionObserver]: Analyzing ICFG mts.wvr.bpl [2021-02-19 22:26:19,153 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-19 22:26:19,153 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 22:26:19,169 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 22:26:19,169 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-19 22:26:19,231 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-02-19 22:26:19,245 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-02-19 22:26:19,275 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 22:26:19,275 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 22:26:19,275 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 22:26:19,275 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 22:26:19,275 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 22:26:19,275 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 22:26:19,275 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 22:26:19,275 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-19 22:26:19,334 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:26:19,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:26:19,345 INFO L82 PathProgramCache]: Analyzing trace with hash -491319246, now seen corresponding path program 1 times [2021-02-19 22:26:19,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:26:19,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028799458] [2021-02-19 22:26:19,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:26:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:26:19,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:26:19,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028799458] [2021-02-19 22:26:19,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 22:26:19,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 22:26:19,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197440022] [2021-02-19 22:26:19,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 22:26:19,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:26:19,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 22:26:19,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-19 22:26:19,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:19,565 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:26:19,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:26:19,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:19,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:19,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 22:26:19,708 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:26:19,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:26:19,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1268136848, now seen corresponding path program 1 times [2021-02-19 22:26:19,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:26:19,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611682722] [2021-02-19 22:26:19,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:26:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:26:19,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:26:19,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611682722] [2021-02-19 22:26:19,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 22:26:19,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 22:26:19,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898120618] [2021-02-19 22:26:19,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 22:26:19,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:26:19,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 22:26:19,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 22:26:19,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:19,773 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:26:19,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:26:19,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:19,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:19,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:19,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:26:19,833 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 22:26:19,834 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:26:19,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:26:19,835 INFO L82 PathProgramCache]: Analyzing trace with hash -653865618, now seen corresponding path program 1 times [2021-02-19 22:26:19,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:26:19,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406472562] [2021-02-19 22:26:19,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:26:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:26:20,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:26:20,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406472562] [2021-02-19 22:26:20,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950917207] [2021-02-19 22:26:20,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:26:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:26:20,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 23 conjunts are in the unsatisfiable core [2021-02-19 22:26:20,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:26:20,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:26:20,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:26:20,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-02-19 22:26:20,962 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:20,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:26:20,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:26:20,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-02-19 22:26:20,968 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:20,971 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:26:20,972 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:26:20,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2021-02-19 22:26:20,974 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:20,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:26:20,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 13 [2021-02-19 22:26:20,980 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:20,996 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:26:20,999 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-02-19 22:26:20,999 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:133, output treesize:27 [2021-02-19 22:26:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:26:21,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:26:21,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-02-19 22:26:21,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088235816] [2021-02-19 22:26:21,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-19 22:26:21,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:26:21,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-19 22:26:21,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-02-19 22:26:21,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:21,066 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:26:21,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:26:21,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:21,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:26:21,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:26:21,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:26:21,453 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:26:21,454 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:26:21,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:26:21,454 INFO L82 PathProgramCache]: Analyzing trace with hash 495262156, now seen corresponding path program 2 times [2021-02-19 22:26:21,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:26:21,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947476796] [2021-02-19 22:26:21,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:26:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:26:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:26:21,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947476796] [2021-02-19 22:26:21,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476438344] [2021-02-19 22:26:21,521 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:26:21,555 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 22:26:21,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:26:21,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-02-19 22:26:21,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:26:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:26:21,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:26:21,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-02-19 22:26:21,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709564008] [2021-02-19 22:26:21,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-19 22:26:21,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:26:21,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-19 22:26:21,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-02-19 22:26:21,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:21,690 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:26:21,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:26:21,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:21,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:26:21,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:26:21,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:21,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:21,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:26:21,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:26:21,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:26:22,057 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-02-19 22:26:22,057 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:26:22,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:26:22,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1792649200, now seen corresponding path program 1 times [2021-02-19 22:26:22,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:26:22,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195934576] [2021-02-19 22:26:22,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:26:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:26:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:26:22,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195934576] [2021-02-19 22:26:22,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845764304] [2021-02-19 22:26:22,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:26:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:26:22,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2021-02-19 22:26:22,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:26:22,249 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:26:22,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:26:22,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-02-19 22:26:22,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917336980] [2021-02-19 22:26:22,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-19 22:26:22,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:26:22,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-19 22:26:22,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-02-19 22:26:22,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:22,251 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:26:22,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:26:22,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:22,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:26:22,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:26:22,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:26:22,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:26:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:26:22,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:26:22,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:26:22,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:26:22,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:26:22,530 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:26:22,530 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:26:22,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:26:22,530 INFO L82 PathProgramCache]: Analyzing trace with hash -918198802, now seen corresponding path program 2 times [2021-02-19 22:26:22,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:26:22,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054052564] [2021-02-19 22:26:22,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:26:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:26:23,131 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 73 [2021-02-19 22:26:23,297 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2021-02-19 22:26:23,476 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 70 [2021-02-19 22:26:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:26:23,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054052564] [2021-02-19 22:26:23,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870354129] [2021-02-19 22:26:23,807 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:26:23,834 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 22:26:23,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:26:23,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 39 conjunts are in the unsatisfiable core [2021-02-19 22:26:23,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:26:24,456 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-02-19 22:26:24,773 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-02-19 22:26:25,214 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-02-19 22:26:25,524 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-02-19 22:26:26,262 WARN L202 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2021-02-19 22:26:27,331 WARN L202 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 347 [2021-02-19 22:26:28,288 INFO L446 ElimStorePlain]: Different costs {6=[v_prenex_31, v_prenex_41, v_prenex_34, v_prenex_39], 10=[A, v_prenex_32, v_prenex_43, v_prenex_42, v_prenex_40, v_prenex_36, v_prenex_35, v_prenex_45, v_prenex_33, v_prenex_44, v_prenex_38, v_prenex_37]} [2021-02-19 22:26:28,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:28,383 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-02-19 22:26:28,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 57 [2021-02-19 22:26:28,389 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:28,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:28,464 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-02-19 22:26:28,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 53 [2021-02-19 22:26:28,480 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:31,938 WARN L202 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 436 DAG size of output: 433 [2021-02-19 22:26:31,939 INFO L628 ElimStorePlain]: treesize reduction 26, result has 99.1 percent of original size [2021-02-19 22:26:31,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:32,016 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-02-19 22:26:32,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 57 [2021-02-19 22:26:32,022 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:32,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:32,094 INFO L354 Elim1Store]: treesize reduction 8, result has 82.2 percent of original size [2021-02-19 22:26:32,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 61 [2021-02-19 22:26:32,113 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:35,409 WARN L202 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 430 DAG size of output: 428 [2021-02-19 22:26:35,410 INFO L628 ElimStorePlain]: treesize reduction 15, result has 99.5 percent of original size [2021-02-19 22:26:35,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:35,487 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-02-19 22:26:35,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 60 [2021-02-19 22:26:35,496 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:35,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:35,582 INFO L354 Elim1Store]: treesize reduction 8, result has 82.2 percent of original size [2021-02-19 22:26:35,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 64 [2021-02-19 22:26:35,587 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:39,424 WARN L202 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 429 DAG size of output: 425 [2021-02-19 22:26:39,425 INFO L628 ElimStorePlain]: treesize reduction 25, result has 99.1 percent of original size [2021-02-19 22:26:39,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:39,530 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-02-19 22:26:39,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 54 [2021-02-19 22:26:39,540 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:39,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:39,608 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:26:39,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 66 [2021-02-19 22:26:39,642 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2021-02-19 22:26:43,631 WARN L202 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 420 DAG size of output: 416 [2021-02-19 22:26:43,632 INFO L628 ElimStorePlain]: treesize reduction 24, result has 99.1 percent of original size [2021-02-19 22:26:43,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:43,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:43,779 INFO L354 Elim1Store]: treesize reduction 20, result has 71.8 percent of original size [2021-02-19 22:26:43,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 55 treesize of output 81 [2021-02-19 22:26:43,820 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:43,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:43,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:43,969 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2021-02-19 22:26:43,970 INFO L354 Elim1Store]: treesize reduction 20, result has 71.8 percent of original size [2021-02-19 22:26:43,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 60 treesize of output 84 [2021-02-19 22:26:43,984 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:55,615 WARN L202 SmtUtils]: Spent 11.63 s on a formula simplification. DAG size of input: 453 DAG size of output: 437 [2021-02-19 22:26:55,617 INFO L628 ElimStorePlain]: treesize reduction 116, result has 96.0 percent of original size [2021-02-19 22:26:55,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:55,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:55,776 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:26:55,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 78 treesize of output 110 [2021-02-19 22:26:55,895 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-02-19 22:26:55,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:55,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:26:56,161 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-02-19 22:26:56,162 INFO L354 Elim1Store]: treesize reduction 4, result has 94.4 percent of original size [2021-02-19 22:26:56,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 73 treesize of output 103 [2021-02-19 22:26:56,283 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:06,066 WARN L202 SmtUtils]: Spent 9.78 s on a formula simplification. DAG size of input: 688 DAG size of output: 501 [2021-02-19 22:27:06,068 INFO L628 ElimStorePlain]: treesize reduction 1182, result has 71.9 percent of original size [2021-02-19 22:27:06,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:06,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:06,205 INFO L354 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-02-19 22:27:06,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 82 treesize of output 81 [2021-02-19 22:27:06,222 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:06,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:06,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:06,340 INFO L354 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-02-19 22:27:06,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 82 treesize of output 81 [2021-02-19 22:27:06,355 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:11,018 WARN L202 SmtUtils]: Spent 4.66 s on a formula simplification. DAG size of input: 503 DAG size of output: 487 [2021-02-19 22:27:11,019 INFO L628 ElimStorePlain]: treesize reduction 83, result has 97.2 percent of original size [2021-02-19 22:27:11,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:11,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:11,150 INFO L354 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-02-19 22:27:11,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 84 treesize of output 85 [2021-02-19 22:27:11,179 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:11,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:11,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:11,295 INFO L354 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-02-19 22:27:11,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 84 treesize of output 85 [2021-02-19 22:27:11,308 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:19,666 WARN L202 SmtUtils]: Spent 8.36 s on a formula simplification. DAG size of input: 504 DAG size of output: 490 [2021-02-19 22:27:19,668 INFO L628 ElimStorePlain]: treesize reduction 88, result has 97.0 percent of original size [2021-02-19 22:27:19,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:19,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:19,927 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2021-02-19 22:27:19,928 INFO L354 Elim1Store]: treesize reduction 8, result has 88.7 percent of original size [2021-02-19 22:27:19,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 102 treesize of output 105 [2021-02-19 22:27:20,034 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:20,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:20,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:20,263 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2021-02-19 22:27:20,264 INFO L354 Elim1Store]: treesize reduction 8, result has 88.7 percent of original size [2021-02-19 22:27:20,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 102 treesize of output 105 [2021-02-19 22:27:20,313 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:32,842 WARN L202 SmtUtils]: Spent 12.53 s on a formula simplification. DAG size of input: 588 DAG size of output: 494 [2021-02-19 22:27:32,844 INFO L628 ElimStorePlain]: treesize reduction 655, result has 80.7 percent of original size [2021-02-19 22:27:32,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:32,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:33,118 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2021-02-19 22:27:33,119 INFO L354 Elim1Store]: treesize reduction 20, result has 71.8 percent of original size [2021-02-19 22:27:33,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 43 treesize of output 78 [2021-02-19 22:27:33,153 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:33,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:33,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:33,356 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2021-02-19 22:27:33,357 INFO L354 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-02-19 22:27:33,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 43 treesize of output 74 [2021-02-19 22:27:33,374 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:38,545 WARN L202 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 496 DAG size of output: 488 [2021-02-19 22:27:38,547 INFO L628 ElimStorePlain]: treesize reduction 55, result has 98.0 percent of original size [2021-02-19 22:27:38,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:38,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:38,695 INFO L354 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-02-19 22:27:38,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 43 treesize of output 71 [2021-02-19 22:27:38,712 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:38,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:38,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:38,882 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2021-02-19 22:27:38,888 INFO L354 Elim1Store]: treesize reduction 28, result has 60.6 percent of original size [2021-02-19 22:27:38,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 48 treesize of output 70 [2021-02-19 22:27:38,898 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:43,242 WARN L202 SmtUtils]: Spent 4.34 s on a formula simplification that was a NOOP. DAG size: 482 [2021-02-19 22:27:43,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:27:43,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:43,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:43,564 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2021-02-19 22:27:43,565 INFO L354 Elim1Store]: treesize reduction 16, result has 77.5 percent of original size [2021-02-19 22:27:43,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 49 treesize of output 84 [2021-02-19 22:27:43,597 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:43,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:43,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:43,846 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2021-02-19 22:27:43,847 INFO L354 Elim1Store]: treesize reduction 16, result has 77.5 percent of original size [2021-02-19 22:27:43,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 49 treesize of output 84 [2021-02-19 22:27:43,894 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:52,815 WARN L202 SmtUtils]: Spent 8.92 s on a formula simplification. DAG size of input: 493 DAG size of output: 477 [2021-02-19 22:27:52,817 INFO L628 ElimStorePlain]: treesize reduction 72, result has 97.3 percent of original size [2021-02-19 22:27:52,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:52,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:53,099 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2021-02-19 22:27:53,100 INFO L354 Elim1Store]: treesize reduction 20, result has 71.8 percent of original size [2021-02-19 22:27:53,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 55 treesize of output 82 [2021-02-19 22:27:53,140 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-02-19 22:27:53,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:53,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:27:53,360 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2021-02-19 22:27:53,360 INFO L354 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-02-19 22:27:53,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 55 treesize of output 78 [2021-02-19 22:27:53,404 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-02-19 22:28:03,002 WARN L202 SmtUtils]: Spent 9.60 s on a formula simplification. DAG size of input: 485 DAG size of output: 472 [2021-02-19 22:28:03,004 INFO L628 ElimStorePlain]: treesize reduction 63, result has 97.6 percent of original size [2021-02-19 22:28:03,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:03,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:03,321 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2021-02-19 22:28:03,322 INFO L354 Elim1Store]: treesize reduction 24, result has 66.2 percent of original size [2021-02-19 22:28:03,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 44 treesize of output 73 [2021-02-19 22:28:03,359 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-02-19 22:28:03,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:03,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:03,649 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2021-02-19 22:28:03,650 INFO L354 Elim1Store]: treesize reduction 20, result has 71.8 percent of original size [2021-02-19 22:28:03,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 44 treesize of output 77 [2021-02-19 22:28:03,684 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-02-19 22:28:13,183 WARN L202 SmtUtils]: Spent 9.50 s on a formula simplification. DAG size of input: 470 DAG size of output: 464 [2021-02-19 22:28:13,185 INFO L628 ElimStorePlain]: treesize reduction 36, result has 98.6 percent of original size [2021-02-19 22:28:13,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:13,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:13,591 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-02-19 22:28:13,593 INFO L354 Elim1Store]: treesize reduction 12, result has 83.1 percent of original size [2021-02-19 22:28:13,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 60 treesize of output 90 [2021-02-19 22:28:13,655 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-02-19 22:28:13,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:13,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:13,984 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2021-02-19 22:28:13,985 INFO L354 Elim1Store]: treesize reduction 16, result has 77.5 percent of original size [2021-02-19 22:28:13,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 55 treesize of output 83 [2021-02-19 22:28:14,024 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-02-19 22:28:31,227 WARN L202 SmtUtils]: Spent 17.20 s on a formula simplification. DAG size of input: 495 DAG size of output: 479 [2021-02-19 22:28:31,228 INFO L628 ElimStorePlain]: treesize reduction 76, result has 97.1 percent of original size [2021-02-19 22:28:31,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:31,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:31,668 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2021-02-19 22:28:31,669 INFO L354 Elim1Store]: treesize reduction 20, result has 71.8 percent of original size [2021-02-19 22:28:31,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 107 treesize of output 94 [2021-02-19 22:28:31,767 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-02-19 22:28:31,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:31,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:28:32,118 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2021-02-19 22:28:32,119 INFO L354 Elim1Store]: treesize reduction 20, result has 71.8 percent of original size [2021-02-19 22:28:32,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 107 treesize of output 94 [2021-02-19 22:28:32,229 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-02-19 22:28:44,963 WARN L202 SmtUtils]: Spent 12.73 s on a formula simplification. DAG size of input: 534 DAG size of output: 478 [2021-02-19 22:28:44,965 INFO L628 ElimStorePlain]: treesize reduction 309, result has 88.8 percent of original size [2021-02-19 22:28:46,894 INFO L550 ElimStorePlain]: Start of recursive call 1: 29 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-02-19 22:28:46,894 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 45 variables, input treesize:2889, output treesize:6430 [2021-02-19 22:28:51,499 WARN L202 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 376 DAG size of output: 99 [2021-02-19 22:28:51,832 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 19 [2021-02-19 22:28:51,893 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:28:51,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:28:51,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-02-19 22:28:51,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22798432] [2021-02-19 22:28:51,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-02-19 22:28:51,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:28:51,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-02-19 22:28:51,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=518, Unknown=0, NotChecked=0, Total=600 [2021-02-19 22:28:51,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:28:51,895 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:28:51,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:28:51,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:28:51,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:28:51,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:28:51,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:28:51,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:28:51,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:28:52,657 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 55 [2021-02-19 22:28:52,934 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-02-19 22:28:53,647 WARN L202 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 77 [2021-02-19 22:28:54,270 WARN L202 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2021-02-19 22:28:54,914 WARN L202 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2021-02-19 22:28:55,846 WARN L202 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 102 [2021-02-19 22:28:58,046 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 131 DAG size of output: 125 [2021-02-19 22:29:04,959 WARN L202 SmtUtils]: Spent 6.56 s on a formula simplification. DAG size of input: 234 DAG size of output: 211 [2021-02-19 22:29:05,708 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2021-02-19 22:29:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:29:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:29:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:29:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:29:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:29:06,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:29:06,378 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-02-19 22:29:06,378 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:29:06,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:29:06,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1910010956, now seen corresponding path program 3 times [2021-02-19 22:29:06,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:29:06,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872298520] [2021-02-19 22:29:06,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:29:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:29:06,613 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:29:06,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872298520] [2021-02-19 22:29:06,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569154782] [2021-02-19 22:29:06,614 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:29:06,643 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-02-19 22:29:06,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:29:06,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2021-02-19 22:29:06,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:29:07,178 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:29:07,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:29:07,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-02-19 22:29:07,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829530279] [2021-02-19 22:29:07,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-02-19 22:29:07,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:29:07,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-02-19 22:29:07,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-02-19 22:29:07,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:29:07,179 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:29:07,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:29:07,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:29:07,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:29:07,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:29:07,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:29:07,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:29:07,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:29:07,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:29:08,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:29:08,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:29:08,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:29:08,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:29:08,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:29:08,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:29:08,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:29:08,630 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable661,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:29:08,630 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:29:08,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:29:08,630 INFO L82 PathProgramCache]: Analyzing trace with hash -2092404080, now seen corresponding path program 4 times [2021-02-19 22:29:08,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:29:08,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882739913] [2021-02-19 22:29:08,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:29:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:29:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:29:08,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882739913] [2021-02-19 22:29:08,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878959099] [2021-02-19 22:29:08,849 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:29:08,876 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 22:29:08,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:29:08,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2021-02-19 22:29:08,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:29:09,308 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:29:09,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:29:09,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-02-19 22:29:09,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990979253] [2021-02-19 22:29:09,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-19 22:29:09,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:29:09,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-19 22:29:09,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-02-19 22:29:09,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:29:09,310 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:29:09,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:29:09,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:29:09,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:29:09,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:29:09,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:29:09,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:29:09,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:29:09,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:29:09,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:29:09,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:29:09,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:29:09,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:29:09,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:29:09,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:29:09,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:29:09,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:29:09,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:29:09,894 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable662 [2021-02-19 22:29:09,894 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:29:09,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:29:09,895 INFO L82 PathProgramCache]: Analyzing trace with hash 895664750, now seen corresponding path program 5 times [2021-02-19 22:29:09,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:29:09,895 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409738063] [2021-02-19 22:29:09,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:29:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:29:10,734 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2021-02-19 22:29:11,288 WARN L202 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 43 [2021-02-19 22:29:12,363 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2021-02-19 22:29:14,422 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-19 22:29:17,110 WARN L202 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 183 DAG size of output: 151 [2021-02-19 22:29:19,670 WARN L202 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 177 DAG size of output: 146 [2021-02-19 22:29:21,652 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 175 DAG size of output: 99 [2021-02-19 22:29:22,837 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 133 DAG size of output: 67 [2021-02-19 22:29:23,529 WARN L202 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 41 [2021-02-19 22:29:24,165 WARN L202 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 37 [2021-02-19 22:29:24,579 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 26 [2021-02-19 22:29:25,133 WARN L202 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 16 [2021-02-19 22:29:25,155 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:29:25,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409738063] [2021-02-19 22:29:25,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737932330] [2021-02-19 22:29:25,156 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:29:25,196 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-02-19 22:29:25,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:29:25,198 WARN L261 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 53 conjunts are in the unsatisfiable core [2021-02-19 22:29:25,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:29:25,786 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-02-19 22:29:26,155 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-02-19 22:29:26,662 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-19 22:29:31,345 WARN L202 SmtUtils]: Spent 3.99 s on a formula simplification that was a NOOP. DAG size: 132 [2021-02-19 22:29:36,118 WARN L202 SmtUtils]: Spent 4.03 s on a formula simplification that was a NOOP. DAG size: 376 [2021-02-19 22:29:40,704 WARN L202 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 381 [2021-02-19 22:29:44,188 WARN L202 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 382 [2021-02-19 22:29:47,898 WARN L202 SmtUtils]: Spent 2.70 s on a formula simplification that was a NOOP. DAG size: 384 [2021-02-19 22:29:51,389 WARN L202 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 383 [2021-02-19 22:29:53,998 WARN L202 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 372 [2021-02-19 22:29:57,552 WARN L202 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 371 [2021-02-19 22:29:59,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:59,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:59,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:59,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:59,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:59,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:59,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 30 [2021-02-19 22:29:59,293 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-02-19 22:29:59,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:59,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:59,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:29:59,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:59,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:29:59,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2021-02-19 22:29:59,353 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:11,381 WARN L202 SmtUtils]: Spent 12.03 s on a formula simplification. DAG size of input: 860 DAG size of output: 771 [2021-02-19 22:30:11,383 INFO L628 ElimStorePlain]: treesize reduction 1879, result has 59.0 percent of original size [2021-02-19 22:30:11,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:11,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:11,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:11,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:11,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:11,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2021-02-19 22:30:11,450 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:16,171 WARN L202 SmtUtils]: Spent 4.72 s on a formula simplification that was a NOOP. DAG size: 759 [2021-02-19 22:30:16,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:16,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:16,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:16,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:16,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:16,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:16,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 29 [2021-02-19 22:30:16,253 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:20,987 WARN L202 SmtUtils]: Spent 4.73 s on a formula simplification that was a NOOP. DAG size: 745 [2021-02-19 22:30:20,989 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:21,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:21,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:21,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:21,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:21,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:21,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 40 [2021-02-19 22:30:21,052 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:25,920 WARN L202 SmtUtils]: Spent 4.87 s on a formula simplification that was a NOOP. DAG size: 727 [2021-02-19 22:30:25,922 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:25,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:25,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:25,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:25,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:25,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:25,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-02-19 22:30:25,982 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:30,977 WARN L202 SmtUtils]: Spent 4.99 s on a formula simplification that was a NOOP. DAG size: 712 [2021-02-19 22:30:30,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:31,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:31,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:31,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:31,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:31,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:31,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2021-02-19 22:30:31,039 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:36,016 WARN L202 SmtUtils]: Spent 4.98 s on a formula simplification that was a NOOP. DAG size: 697 [2021-02-19 22:30:36,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:36,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:36,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:36,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:36,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:36,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:36,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 34 [2021-02-19 22:30:36,082 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:41,244 WARN L202 SmtUtils]: Spent 5.16 s on a formula simplification that was a NOOP. DAG size: 679 [2021-02-19 22:30:41,245 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:41,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:41,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:41,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:41,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:41,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2021-02-19 22:30:41,316 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:46,712 WARN L202 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 666 [2021-02-19 22:30:46,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:46,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:46,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:46,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:46,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2021-02-19 22:30:46,779 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:51,974 WARN L202 SmtUtils]: Spent 5.19 s on a formula simplification that was a NOOP. DAG size: 653 [2021-02-19 22:30:51,975 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:52,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:52,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:52,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:52,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:52,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:52,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:52,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 35 [2021-02-19 22:30:52,106 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:52,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:52,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:52,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:52,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:52,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:52,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 34 [2021-02-19 22:30:52,171 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-02-19 22:30:58,643 WARN L202 SmtUtils]: Spent 6.47 s on a formula simplification that was a NOOP. DAG size: 637 [2021-02-19 22:30:58,645 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:30:58,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:30:58,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:58,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:58,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:58,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:30:58,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 34 [2021-02-19 22:30:58,713 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:04,918 WARN L202 SmtUtils]: Spent 6.20 s on a formula simplification that was a NOOP. DAG size: 620 [2021-02-19 22:31:04,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:31:04,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:04,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:04,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:04,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:04,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:04,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-02-19 22:31:04,993 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:11,643 WARN L202 SmtUtils]: Spent 6.65 s on a formula simplification that was a NOOP. DAG size: 605 [2021-02-19 22:31:11,644 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:31:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:11,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:11,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:11,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:11,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:11,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:11,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 31 [2021-02-19 22:31:11,768 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:11,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:11,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:11,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:11,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:11,822 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:11,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 32 [2021-02-19 22:31:11,831 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:16,796 WARN L202 SmtUtils]: Spent 4.96 s on a formula simplification that was a NOOP. DAG size: 587 [2021-02-19 22:31:16,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:31:16,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:16,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:16,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:16,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:16,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:16,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27 [2021-02-19 22:31:16,861 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:21,545 WARN L202 SmtUtils]: Spent 4.68 s on a formula simplification that was a NOOP. DAG size: 571 [2021-02-19 22:31:21,547 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:31:21,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:21,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:21,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:21,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:21,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:21,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:21,643 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:21,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-02-19 22:31:21,673 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:21,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:21,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:21,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:21,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:21,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:21,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:21,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2021-02-19 22:31:21,738 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:26,008 WARN L202 SmtUtils]: Spent 4.27 s on a formula simplification that was a NOOP. DAG size: 552 [2021-02-19 22:31:26,009 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:31:26,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:26,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:26,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:26,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:26,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:26,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2021-02-19 22:31:26,076 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:30,333 WARN L202 SmtUtils]: Spent 4.26 s on a formula simplification that was a NOOP. DAG size: 537 [2021-02-19 22:31:30,334 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:31:30,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:30,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:30,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:30,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:30,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:30,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:30,465 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-02-19 22:31:30,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 37 [2021-02-19 22:31:30,474 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:30,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:30,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:30,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:30,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:30,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 35 [2021-02-19 22:31:30,536 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:34,688 WARN L202 SmtUtils]: Spent 4.15 s on a formula simplification that was a NOOP. DAG size: 517 [2021-02-19 22:31:34,689 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:31:34,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:34,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:34,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:34,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:34,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:34,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27 [2021-02-19 22:31:34,747 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:38,752 WARN L202 SmtUtils]: Spent 4.00 s on a formula simplification that was a NOOP. DAG size: 501 [2021-02-19 22:31:38,754 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:31:38,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:38,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:38,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:38,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:38,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:38,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 29 [2021-02-19 22:31:38,814 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:42,736 WARN L202 SmtUtils]: Spent 3.92 s on a formula simplification that was a NOOP. DAG size: 485 [2021-02-19 22:31:42,738 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:31:42,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:42,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:42,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:42,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:42,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:42,784 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:42,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 35 [2021-02-19 22:31:42,845 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:42,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:42,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:42,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:42,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:42,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:42,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 33 [2021-02-19 22:31:42,901 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:46,657 WARN L202 SmtUtils]: Spent 3.76 s on a formula simplification that was a NOOP. DAG size: 466 [2021-02-19 22:31:46,658 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:31:46,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:46,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:46,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:46,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2021-02-19 22:31:46,724 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:50,523 WARN L202 SmtUtils]: Spent 3.80 s on a formula simplification that was a NOOP. DAG size: 452 [2021-02-19 22:31:50,525 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:31:50,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:50,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:50,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:50,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:50,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-02-19 22:31:50,577 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:54,346 WARN L202 SmtUtils]: Spent 3.77 s on a formula simplification that was a NOOP. DAG size: 438 [2021-02-19 22:31:54,348 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:31:54,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:54,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:54,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:54,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:54,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:54,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-02-19 22:31:54,405 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:57,999 WARN L202 SmtUtils]: Spent 3.59 s on a formula simplification that was a NOOP. DAG size: 421 [2021-02-19 22:31:58,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:31:58,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:58,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:58,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:58,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:58,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:58,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:58,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 44 [2021-02-19 22:31:58,111 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-02-19 22:31:58,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:31:58,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:58,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:58,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:58,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:31:58,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 46 [2021-02-19 22:31:58,165 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-02-19 22:32:01,560 WARN L202 SmtUtils]: Spent 3.39 s on a formula simplification that was a NOOP. DAG size: 399 [2021-02-19 22:32:01,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:32:01,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:01,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:01,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:01,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:01,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2021-02-19 22:32:01,611 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-02-19 22:32:04,982 WARN L202 SmtUtils]: Spent 3.37 s on a formula simplification that was a NOOP. DAG size: 385 [2021-02-19 22:32:04,983 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:32:05,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:32:05,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:05,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:05,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:05,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:05,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 31 [2021-02-19 22:32:05,034 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-02-19 22:32:08,276 WARN L202 SmtUtils]: Spent 3.24 s on a formula simplification that was a NOOP. DAG size: 368 [2021-02-19 22:32:08,277 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:32:08,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:08,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:08,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:08,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:32:08,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:08,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:32:08,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 40 [2021-02-19 22:32:08,390 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-02-19 22:32:08,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:08,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:08,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:08,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:32:08,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:08,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 38 [2021-02-19 22:32:08,445 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-02-19 22:32:11,548 WARN L202 SmtUtils]: Spent 3.10 s on a formula simplification that was a NOOP. DAG size: 347 [2021-02-19 22:32:11,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:32:11,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:32:11,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:11,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:11,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:11,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:11,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2021-02-19 22:32:11,605 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-02-19 22:32:14,742 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification that was a NOOP. DAG size: 331 [2021-02-19 22:32:14,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:32:14,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:14,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:32:14,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:14,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:14,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:14,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-02-19 22:32:14,796 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-02-19 22:32:17,641 WARN L202 SmtUtils]: Spent 2.84 s on a formula simplification that was a NOOP. DAG size: 315 [2021-02-19 22:32:17,642 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:32:17,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:17,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:32:17,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:17,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:17,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:17,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:32:17,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 31 [2021-02-19 22:32:17,748 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-02-19 22:32:17,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:17,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:32:17,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:17,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:17,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:17,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 32 [2021-02-19 22:32:17,798 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-02-19 22:32:20,366 WARN L202 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 295 [2021-02-19 22:32:20,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:32:20,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:32:20,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:20,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:20,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:20,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27 [2021-02-19 22:32:20,422 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-02-19 22:32:23,016 WARN L202 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 279 [2021-02-19 22:32:23,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:32:23,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:32:23,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:23,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:23,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:23,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:32:23,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2021-02-19 22:32:23,082 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-02-19 22:32:25,615 WARN L202 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 262 [2021-02-19 22:32:25,617 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:32:25,671 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-02-19 22:32:25,671 INFO L247 ElimStorePlain]: Needed 42 recursive calls to eliminate 96 variables, input treesize:4699, output treesize:177 [2021-02-19 22:32:26,302 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 20 [2021-02-19 22:32:26,458 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:32:26,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:32:26,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-02-19 22:32:26,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532696153] [2021-02-19 22:32:26,459 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-02-19 22:32:26,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:32:26,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-02-19 22:32:26,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=901, Unknown=0, NotChecked=0, Total=992 [2021-02-19 22:32:26,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:32:26,460 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:32:26,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:32:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:32:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:32:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:32:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:32:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:32:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:32:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:32:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:32:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:32:28,618 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 204 DAG size of output: 60 [2021-02-19 22:32:29,064 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2021-02-19 22:32:30,626 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 221 DAG size of output: 81 [2021-02-19 22:32:31,229 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2021-02-19 22:32:33,780 WARN L202 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 239 DAG size of output: 81 [2021-02-19 22:32:34,833 WARN L202 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 70 [2021-02-19 22:32:37,069 WARN L202 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 254 DAG size of output: 118 [2021-02-19 22:32:38,668 WARN L202 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 188 DAG size of output: 106 [2021-02-19 22:32:42,843 WARN L202 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 254 DAG size of output: 197 [2021-02-19 22:32:55,697 WARN L202 SmtUtils]: Spent 12.35 s on a formula simplification. DAG size of input: 252 DAG size of output: 232 [2021-02-19 22:33:27,804 WARN L202 SmtUtils]: Spent 31.23 s on a formula simplification. DAG size of input: 570 DAG size of output: 545 [2021-02-19 22:33:28,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:33:28,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:33:28,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:33:28,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:33:28,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:33:28,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:33:28,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:33:28,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:33:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:33:29,115 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable663 [2021-02-19 22:33:29,115 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:33:29,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:33:29,115 INFO L82 PathProgramCache]: Analyzing trace with hash -903310644, now seen corresponding path program 6 times [2021-02-19 22:33:29,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:33:29,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828388553] [2021-02-19 22:33:29,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:33:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:33:29,551 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:33:29,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828388553] [2021-02-19 22:33:29,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331792294] [2021-02-19 22:33:29,551 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:33:29,578 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-02-19 22:33:29,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:33:29,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjunts are in the unsatisfiable core [2021-02-19 22:33:29,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:33:30,933 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:33:30,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:33:30,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2021-02-19 22:33:30,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551873160] [2021-02-19 22:33:30,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-02-19 22:33:30,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:33:30,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-02-19 22:33:30,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2021-02-19 22:33:30,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:33:30,935 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:33:30,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.392857142857143) internal successors, (67), 28 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:33:30,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:33:30,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:33:30,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:33:30,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:33:30,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:33:30,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:33:30,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:33:30,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:33:30,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:33:30,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:33:34,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:33:34,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:33:34,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:33:34,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:33:34,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:33:34,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:33:34,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:33:34,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:33:34,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:33:34,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:33:34,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable819,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:33:34,579 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:33:34,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:33:34,579 INFO L82 PathProgramCache]: Analyzing trace with hash -513453808, now seen corresponding path program 7 times [2021-02-19 22:33:34,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:33:34,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957532721] [2021-02-19 22:33:34,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:33:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:33:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:33:35,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957532721] [2021-02-19 22:33:35,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079624124] [2021-02-19 22:33:35,091 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:33:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:33:35,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjunts are in the unsatisfiable core [2021-02-19 22:33:35,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:33:36,044 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:33:36,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:33:36,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 23 [2021-02-19 22:33:36,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124763573] [2021-02-19 22:33:36,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-19 22:33:36,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:33:36,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-19 22:33:36,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2021-02-19 22:33:36,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:33:36,046 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:33:36,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.608695652173913) internal successors, (60), 23 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:33:36,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:33:36,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:33:36,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:33:36,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:33:36,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:33:36,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:33:36,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:33:36,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:33:36,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:33:36,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:33:36,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:33:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 22:33:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:33:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:33:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:33:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:33:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:33:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:33:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:33:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 22:33:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-19 22:33:36,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:33:37,036 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable820,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:33:37,037 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:33:37,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:33:37,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1961303314, now seen corresponding path program 8 times [2021-02-19 22:33:37,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:33:37,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377876428] [2021-02-19 22:33:37,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:33:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:33:38,841 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2021-02-19 22:33:39,499 WARN L202 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 31 [2021-02-19 22:33:39,647 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 187 [2021-02-19 22:33:41,642 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 187 DAG size of output: 51 [2021-02-19 22:33:41,960 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 258 [2021-02-19 22:33:44,386 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 257 DAG size of output: 71 [2021-02-19 22:33:46,295 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 431 DAG size of output: 348 [2021-02-19 22:33:51,105 WARN L202 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 348 DAG size of output: 115 [2021-02-19 22:33:53,452 WARN L202 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 463 DAG size of output: 437 [2021-02-19 22:34:05,611 WARN L202 SmtUtils]: Spent 11.90 s on a formula simplification. DAG size of input: 437 DAG size of output: 181 [2021-02-19 22:34:08,624 WARN L202 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 585 DAG size of output: 540 [2021-02-19 22:34:08,761 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 497 [2021-02-19 22:34:24,305 WARN L202 SmtUtils]: Spent 15.36 s on a formula simplification. DAG size of input: 534 DAG size of output: 232 [2021-02-19 22:34:27,862 WARN L202 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 590 DAG size of output: 517 [2021-02-19 22:34:27,989 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 487 [2021-02-19 22:34:41,711 WARN L202 SmtUtils]: Spent 13.49 s on a formula simplification. DAG size of input: 517 DAG size of output: 234 [2021-02-19 22:34:44,865 WARN L202 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 518 DAG size of output: 506 [2021-02-19 22:34:44,980 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 471 [2021-02-19 22:35:00,532 WARN L202 SmtUtils]: Spent 15.16 s on a formula simplification. DAG size of input: 506 DAG size of output: 263 [2021-02-19 22:35:03,497 WARN L202 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 515 DAG size of output: 503 [2021-02-19 22:35:03,611 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 468 [2021-02-19 22:35:19,133 WARN L202 SmtUtils]: Spent 15.01 s on a formula simplification. DAG size of input: 503 DAG size of output: 260 [2021-02-19 22:35:23,946 WARN L202 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 503 DAG size of output: 528 [2021-02-19 22:35:24,061 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 482 Received shutdown request... [2021-02-19 22:35:34,782 WARN L219 SmtUtils]: Removed 4 from assertion stack [2021-02-19 22:35:34,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable821 [2021-02-19 22:35:34,783 WARN L545 AbstractCegarLoop]: Verification canceled [2021-02-19 22:35:34,786 WARN L224 ceAbstractionStarter]: Timeout [2021-02-19 22:35:34,786 INFO L202 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 10:35:34 BasicIcfg [2021-02-19 22:35:34,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 22:35:34,786 INFO L168 Benchmark]: Toolchain (without parser) took 556049.60 ms. Allocated memory was 255.9 MB in the beginning and 595.6 MB in the end (delta: 339.7 MB). Free memory was 236.4 MB in the beginning and 466.0 MB in the end (delta: -229.6 MB). Peak memory consumption was 369.7 MB. Max. memory is 16.0 GB. [2021-02-19 22:35:34,786 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory was 237.7 MB in the beginning and 237.5 MB in the end (delta: 157.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-19 22:35:34,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.51 ms. Allocated memory is still 255.9 MB. Free memory was 236.0 MB in the beginning and 234.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 22:35:34,787 INFO L168 Benchmark]: Boogie Preprocessor took 15.46 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 233.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-19 22:35:34,787 INFO L168 Benchmark]: RCFGBuilder took 355.64 ms. Allocated memory is still 255.9 MB. Free memory was 233.2 MB in the beginning and 235.4 MB in the end (delta: -2.2 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.0 GB. [2021-02-19 22:35:34,787 INFO L168 Benchmark]: TraceAbstraction took 555642.34 ms. Allocated memory was 255.9 MB in the beginning and 595.6 MB in the end (delta: 339.7 MB). Free memory was 235.2 MB in the beginning and 466.0 MB in the end (delta: -230.8 MB). Peak memory consumption was 367.9 MB. Max. memory is 16.0 GB. [2021-02-19 22:35:34,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory was 237.7 MB in the beginning and 237.5 MB in the end (delta: 157.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 28.51 ms. Allocated memory is still 255.9 MB. Free memory was 236.0 MB in the beginning and 234.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.46 ms. Allocated memory is still 255.9 MB. Free memory was 234.4 MB in the beginning and 233.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 355.64 ms. Allocated memory is still 255.9 MB. Free memory was 233.2 MB in the beginning and 235.4 MB in the end (delta: -2.2 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 555642.34 ms. Allocated memory was 255.9 MB in the beginning and 595.6 MB in the end (delta: 339.7 MB). Free memory was 235.2 MB in the beginning and 466.0 MB in the end (delta: -230.8 MB). Peak memory consumption was 367.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 67). Cancelled while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 528 for 10478ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 555.5s, OverallIterations: 12, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 351.8s InterpolantComputationTime, 626 NumberOfCodeBlocks, 626 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 606 ConstructedInterpolants, 28 QuantifiedInterpolants, 2451409 SizeOfPredicates, 41 NumberOfNonLiveVariables, 798 ConjunctsInSsa, 181 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 176/505 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown