/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 11:49:14,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 11:49:14,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 11:49:14,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 11:49:14,208 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 11:49:14,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 11:49:14,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 11:49:14,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 11:49:14,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 11:49:14,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 11:49:14,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 11:49:14,238 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 11:49:14,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 11:49:14,238 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 11:49:14,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 11:49:14,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 11:49:14,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 11:49:14,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 11:49:14,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 11:49:14,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 11:49:14,239 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 11:49:14,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 11:49:14,239 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 11:49:14,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 11:49:14,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 11:49:14,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 11:49:14,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 11:49:14,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 11:49:14,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 11:49:14,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 11:49:14,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 11:49:14,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 11:49:14,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 11:49:14,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 11:49:14,240 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 11:49:14,240 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 11:49:14,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 11:49:14,241 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 11:49:14,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 11:49:14,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 11:49:14,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 11:49:14,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 11:49:14,490 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 11:49:14,491 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 11:49:14,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl [2021-06-06 11:49:14,492 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl' [2021-06-06 11:49:14,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 11:49:14,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 11:49:14,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 11:49:14,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 11:49:14,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 11:49:14,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:49:14" (1/1) ... [2021-06-06 11:49:14,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:49:14" (1/1) ... [2021-06-06 11:49:14,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 11:49:14,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 11:49:14,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 11:49:14,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 11:49:14,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:49:14" (1/1) ... [2021-06-06 11:49:14,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:49:14" (1/1) ... [2021-06-06 11:49:14,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:49:14" (1/1) ... [2021-06-06 11:49:14,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:49:14" (1/1) ... [2021-06-06 11:49:14,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:49:14" (1/1) ... [2021-06-06 11:49:14,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:49:14" (1/1) ... [2021-06-06 11:49:14,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:49:14" (1/1) ... [2021-06-06 11:49:14,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 11:49:14,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 11:49:14,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 11:49:14,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 11:49:14,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:49:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 11:49:14,602 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 11:49:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 11:49:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 11:49:14,602 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 11:49:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 11:49:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 11:49:14,603 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 11:49:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 11:49:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 11:49:14,603 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 11:49:14,603 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 11:49:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 11:49:14,604 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 11:49:14,804 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 11:49:14,804 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 11:49:14,806 INFO L202 PluginConnector]: Adding new model mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:49:14 BoogieIcfgContainer [2021-06-06 11:49:14,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 11:49:14,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 11:49:14,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 11:49:14,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 11:49:14,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 11:49:14" (1/2) ... [2021-06-06 11:49:14,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e6916 and model type mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 11:49:14, skipping insertion in model container [2021-06-06 11:49:14,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 11:49:14" (2/2) ... [2021-06-06 11:49:14,810 INFO L111 eAbstractionObserver]: Analyzing ICFG mts-array.wvr.bpl [2021-06-06 11:49:14,814 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 11:49:14,814 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 11:49:14,814 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 11:49:14,814 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 11:49:14,840 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 11:49:14,870 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 11:49:14,934 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 11:49:14,934 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 11:49:14,935 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 11:49:14,935 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 11:49:14,935 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 11:49:14,935 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 11:49:14,935 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 11:49:14,935 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 11:49:14,979 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:49:14,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:49:14,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1558799945, now seen corresponding path program 1 times [2021-06-06 11:49:14,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:49:14,991 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629074024] [2021-06-06 11:49:14,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:49:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:49:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:49:15,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:49:15,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629074024] [2021-06-06 11:49:15,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629074024] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 11:49:15,129 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 11:49:15,129 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 11:49:15,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937271218] [2021-06-06 11:49:15,131 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 11:49:15,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:49:15,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 11:49:15,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-06 11:49:15,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:15,140 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:49:15,143 INFO L483 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) [2021-06-06 11:49:15,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:15,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:49:15,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 11:49:15,188 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:49:15,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:49:15,192 INFO L82 PathProgramCache]: Analyzing trace with hash 42228775, now seen corresponding path program 1 times [2021-06-06 11:49:15,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:49:15,193 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493753433] [2021-06-06 11:49:15,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:49:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:49:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:49:15,223 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:49:15,223 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493753433] [2021-06-06 11:49:15,223 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493753433] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 11:49:15,223 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 11:49:15,224 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 11:49:15,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190012603] [2021-06-06 11:49:15,225 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 11:49:15,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:49:15,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 11:49:15,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 11:49:15,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:15,226 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:49:15,226 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:49:15,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:49:15,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:15,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:49:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:15,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 11:49:15,268 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:49:15,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:49:15,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1930946427, now seen corresponding path program 1 times [2021-06-06 11:49:15,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:49:15,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392955558] [2021-06-06 11:49:15,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:49:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:49:15,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:49:15,804 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:49:15,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392955558] [2021-06-06 11:49:15,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392955558] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:15,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65317424] [2021-06-06 11:49:15,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:49:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:49:15,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 11:49:15,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:49:16,264 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:49:16,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:49:16,268 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 20 treesize of output 14 [2021-06-06 11:49:16,270 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:16,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:49:16,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:49:16,275 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 25 treesize of output 17 [2021-06-06 11:49:16,279 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:16,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:49:16,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:49:16,284 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 27 treesize of output 19 [2021-06-06 11:49:16,286 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:16,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:49:16,292 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 32 treesize of output 22 [2021-06-06 11:49:16,295 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:16,338 INFO L628 ElimStorePlain]: treesize reduction 54, result has 43.2 percent of original size [2021-06-06 11:49:16,340 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 11:49:16,340 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:153, output treesize:35 [2021-06-06 11:49:16,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:49:16,385 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65317424] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:16,385 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:49:16,385 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 11:49:16,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142456067] [2021-06-06 11:49:16,386 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 11:49:16,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:49:16,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 11:49:16,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-06 11:49:16,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:16,388 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:49:16,389 INFO L483 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) [2021-06-06 11:49:16,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:49:16,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:16,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:16,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:49:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:49:16,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:49:16,757 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:49:16,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:49:16,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1580789603, now seen corresponding path program 2 times [2021-06-06 11:49:16,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:49:16,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331503494] [2021-06-06 11:49:16,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:49:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:49:16,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:49:16,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:49:16,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331503494] [2021-06-06 11:49:16,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331503494] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:16,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75193253] [2021-06-06 11:49:16,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:49:16,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 11:49:16,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:49:16,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 11:49:16,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:49:16,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:49:16,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75193253] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:16,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:49:16,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 11:49:16,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046088617] [2021-06-06 11:49:16,935 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 11:49:16,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:49:16,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 11:49:16,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 11:49:16,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:16,937 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:49:16,937 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:49:16,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:49:16,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:16,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:49:16,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:17,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:49:17,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:17,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:49:17,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:49:17,288 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 11:49:17,289 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:49:17,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:49:17,290 INFO L82 PathProgramCache]: Analyzing trace with hash -339909977, now seen corresponding path program 1 times [2021-06-06 11:49:17,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:49:17,290 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741027057] [2021-06-06 11:49:17,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:49:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:49:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:49:17,338 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:49:17,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741027057] [2021-06-06 11:49:17,338 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741027057] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:17,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445539438] [2021-06-06 11:49:17,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:49:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:49:17,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 11:49:17,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:49:17,435 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:49:17,435 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445539438] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:17,435 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:49:17,435 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 11:49:17,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588231990] [2021-06-06 11:49:17,436 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 11:49:17,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:49:17,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 11:49:17,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 11:49:17,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:17,436 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:49:17,436 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:49:17,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:49:17,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:17,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:49:17,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:49:17,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:49:17,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:49:17,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:49:17,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:49:17,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:49:17,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:49:17,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:49:17,717 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:49:17,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:49:17,717 INFO L82 PathProgramCache]: Analyzing trace with hash -700638459, now seen corresponding path program 2 times [2021-06-06 11:49:17,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:49:17,717 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25695929] [2021-06-06 11:49:17,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:49:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:49:18,282 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-06-06 11:49:18,497 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 79 [2021-06-06 11:49:18,703 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2021-06-06 11:49:18,886 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 51 [2021-06-06 11:49:19,039 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2021-06-06 11:49:19,165 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:49:19,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:49:19,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25695929] [2021-06-06 11:49:19,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25695929] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:49:19,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191360564] [2021-06-06 11:49:19,165 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:49:19,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 11:49:19,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:49:19,205 WARN L261 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-06 11:49:19,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:49:39,282 WARN L205 SmtUtils]: Spent 19.16 s on a formula simplification that was a NOOP. DAG size: 81 [2021-06-06 11:49:40,343 INFO L446 ElimStorePlain]: Different costs {7=[v_prenex_61, v_prenex_65, v_prenex_73, v_prenex_55], 10=[v_prenex_50, A, v_prenex_71, v_prenex_53, v_prenex_75, v_prenex_63, v_prenex_69, v_prenex_46, v_prenex_57, v_prenex_67, v_prenex_59, v_prenex_48]} [2021-06-06 11:49:40,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:40,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:40,443 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 11:49:40,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 43 [2021-06-06 11:49:40,448 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:40,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:40,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:40,524 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 11:49:40,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 44 [2021-06-06 11:49:40,528 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:42,656 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 428 [2021-06-06 11:49:42,657 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:42,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:42,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:42,749 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 11:49:42,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 57 [2021-06-06 11:49:42,761 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:42,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:42,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:42,834 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 11:49:42,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 52 [2021-06-06 11:49:42,851 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:46,999 WARN L205 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 424 DAG size of output: 422 [2021-06-06 11:49:47,000 INFO L628 ElimStorePlain]: treesize reduction 10, result has 99.7 percent of original size [2021-06-06 11:49:47,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:47,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:47,105 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:49:47,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 76 treesize of output 84 [2021-06-06 11:49:47,158 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:47,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:47,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:47,263 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-06 11:49:47,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 71 treesize of output 77 [2021-06-06 11:49:47,319 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:51,729 WARN L205 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 494 DAG size of output: 425 [2021-06-06 11:49:51,730 INFO L628 ElimStorePlain]: treesize reduction 288, result has 92.3 percent of original size [2021-06-06 11:49:51,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:51,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:51,841 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 11:49:51,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 59 [2021-06-06 11:49:51,850 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:51,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:51,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:51,932 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 11:49:51,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 58 treesize of output 60 [2021-06-06 11:49:51,942 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:55,878 WARN L205 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 417 DAG size of output: 412 [2021-06-06 11:49:55,880 INFO L628 ElimStorePlain]: treesize reduction 17, result has 99.5 percent of original size [2021-06-06 11:49:55,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:55,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:55,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:55,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:55,961 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-06-06 11:49:55,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 106 treesize of output 76 [2021-06-06 11:49:55,975 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:55,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:56,039 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-06 11:49:56,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 106 treesize of output 78 [2021-06-06 11:49:56,044 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:59,823 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 395 DAG size of output: 394 [2021-06-06 11:49:59,824 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.8 percent of original size [2021-06-06 11:49:59,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:59,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:59,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:59,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:59,906 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-06-06 11:49:59,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 100 treesize of output 78 [2021-06-06 11:49:59,911 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 11:49:59,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:49:59,988 INFO L354 Elim1Store]: treesize reduction 50, result has 36.7 percent of original size [2021-06-06 11:49:59,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 100 treesize of output 88 [2021-06-06 11:49:59,999 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:03,601 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 377 DAG size of output: 375 [2021-06-06 11:50:03,602 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.5 percent of original size [2021-06-06 11:50:03,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:03,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:03,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:03,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:03,680 INFO L354 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2021-06-06 11:50:03,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 72 [2021-06-06 11:50:03,685 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:03,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:03,772 INFO L354 Elim1Store]: treesize reduction 46, result has 41.8 percent of original size [2021-06-06 11:50:03,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 84 treesize of output 90 [2021-06-06 11:50:03,790 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:07,216 WARN L205 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 362 DAG size of output: 360 [2021-06-06 11:50:07,217 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.5 percent of original size [2021-06-06 11:50:07,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:07,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:07,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:07,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:07,309 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-06 11:50:07,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 85 [2021-06-06 11:50:07,317 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:07,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:07,376 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-06 11:50:07,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 86 treesize of output 75 [2021-06-06 11:50:07,381 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:10,619 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 343 DAG size of output: 341 [2021-06-06 11:50:10,620 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.4 percent of original size [2021-06-06 11:50:10,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:10,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:10,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:10,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:10,719 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-06 11:50:10,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 90 [2021-06-06 11:50:10,728 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:10,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:10,785 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-06 11:50:10,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 103 treesize of output 80 [2021-06-06 11:50:10,789 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:14,061 WARN L205 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 334 DAG size of output: 326 [2021-06-06 11:50:14,062 INFO L628 ElimStorePlain]: treesize reduction 42, result has 98.4 percent of original size [2021-06-06 11:50:14,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:14,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:14,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:14,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:14,175 INFO L354 Elim1Store]: treesize reduction 14, result has 74.5 percent of original size [2021-06-06 11:50:14,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 123 treesize of output 105 [2021-06-06 11:50:14,214 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:14,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:14,277 INFO L354 Elim1Store]: treesize reduction 48, result has 39.2 percent of original size [2021-06-06 11:50:14,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 123 treesize of output 95 [2021-06-06 11:50:14,289 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:18,855 WARN L205 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 342 DAG size of output: 314 [2021-06-06 11:50:18,856 INFO L628 ElimStorePlain]: treesize reduction 164, result has 93.7 percent of original size [2021-06-06 11:50:18,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:18,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:18,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:18,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:18,941 INFO L354 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2021-06-06 11:50:18,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 86 [2021-06-06 11:50:18,948 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:18,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:19,000 INFO L354 Elim1Store]: treesize reduction 52, result has 34.2 percent of original size [2021-06-06 11:50:19,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 78 treesize of output 82 [2021-06-06 11:50:19,022 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:21,913 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 297 DAG size of output: 295 [2021-06-06 11:50:21,915 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-06 11:50:21,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:21,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:21,992 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-06 11:50:21,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 83 [2021-06-06 11:50:22,000 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:22,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:22,051 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-06 11:50:22,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 77 treesize of output 73 [2021-06-06 11:50:22,066 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:24,899 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 279 DAG size of output: 277 [2021-06-06 11:50:24,900 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-06 11:50:24,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:24,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:24,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:24,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:24,998 INFO L354 Elim1Store]: treesize reduction 10, result has 81.8 percent of original size [2021-06-06 11:50:24,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 97 [2021-06-06 11:50:25,016 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:25,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:25,064 INFO L354 Elim1Store]: treesize reduction 66, result has 16.5 percent of original size [2021-06-06 11:50:25,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 66 treesize of output 65 [2021-06-06 11:50:25,067 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:27,745 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 261 DAG size of output: 258 [2021-06-06 11:50:27,761 INFO L628 ElimStorePlain]: treesize reduction 21, result has 99.0 percent of original size [2021-06-06 11:50:27,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:27,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:27,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:27,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:27,847 INFO L354 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2021-06-06 11:50:27,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 90 [2021-06-06 11:50:27,854 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:27,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:27,908 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-06-06 11:50:27,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 98 treesize of output 74 [2021-06-06 11:50:27,911 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:30,419 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2021-06-06 11:50:30,420 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-06-06 11:50:30,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:30,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:30,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:30,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:30,492 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-06-06 11:50:30,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 76 [2021-06-06 11:50:30,497 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:30,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:30,544 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-06-06 11:50:30,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 73 treesize of output 70 [2021-06-06 11:50:30,547 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:32,840 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 223 DAG size of output: 222 [2021-06-06 11:50:32,841 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-06-06 11:50:32,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:32,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:32,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:32,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:32,904 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-06-06 11:50:32,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 138 treesize of output 86 [2021-06-06 11:50:32,910 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:32,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:32,952 INFO L354 Elim1Store]: treesize reduction 62, result has 21.5 percent of original size [2021-06-06 11:50:32,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 138 treesize of output 82 [2021-06-06 11:50:32,958 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 11:50:35,120 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 202 DAG size of output: 201 [2021-06-06 11:50:35,121 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.5 percent of original size [2021-06-06 11:50:35,250 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-06 11:50:35,251 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:3613, output treesize:1742 [2021-06-06 11:50:35,664 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2021-06-06 11:50:35,761 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:50:35,761 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191360564] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:50:35,761 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:50:35,762 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-06 11:50:35,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277087170] [2021-06-06 11:50:35,762 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 11:50:35,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:50:35,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 11:50:35,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2021-06-06 11:50:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:50:35,763 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:50:35,763 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:50:35,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:50:35,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:50:35,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:50:35,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:50:35,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:50:35,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:50:36,049 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 60 [2021-06-06 11:50:36,387 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 73 [2021-06-06 11:50:36,770 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2021-06-06 11:50:36,991 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-06-06 11:50:37,567 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2021-06-06 11:50:37,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:50:37,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:50:37,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:50:37,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:50:37,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:50:37,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:50:37,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 11:50:37,905 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:50:37,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:50:37,905 INFO L82 PathProgramCache]: Analyzing trace with hash 531641315, now seen corresponding path program 3 times [2021-06-06 11:50:37,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:50:37,905 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745402579] [2021-06-06 11:50:37,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:50:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:50:37,996 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:50:37,996 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:50:37,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745402579] [2021-06-06 11:50:37,997 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745402579] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:50:37,997 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012727219] [2021-06-06 11:50:37,997 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:50:38,045 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 11:50:38,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:50:38,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 11:50:38,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:50:38,194 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:50:38,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012727219] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:50:38,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:50:38,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 11:50:38,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371209272] [2021-06-06 11:50:38,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 11:50:38,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:50:38,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 11:50:38,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 11:50:38,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:50:38,196 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:50:38,196 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:50:38,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:50:38,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:50:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:50:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:50:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:50:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:50:38,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:50:38,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:50:38,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:50:38,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:50:38,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:50:38,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:50:38,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:50:38,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:50:38,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:50:38,777 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:50:38,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:50:38,777 INFO L82 PathProgramCache]: Analyzing trace with hash -553752793, now seen corresponding path program 4 times [2021-06-06 11:50:38,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:50:38,777 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177719201] [2021-06-06 11:50:38,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:50:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:50:38,842 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:50:38,842 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:50:38,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177719201] [2021-06-06 11:50:38,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177719201] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:50:38,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841957457] [2021-06-06 11:50:38,842 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:50:38,872 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 11:50:38,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:50:38,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 11:50:38,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:50:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 11:50:38,977 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841957457] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:50:38,977 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:50:38,978 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 11:50:38,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363747179] [2021-06-06 11:50:38,978 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 11:50:38,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:50:38,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 11:50:38,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 11:50:38,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:50:38,979 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:50:38,979 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:50:38,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:50:38,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:50:38,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:50:38,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:50:38,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:50:38,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:50:38,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:50:38,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:50:39,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:50:39,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:50:39,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:50:39,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:50:39,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:50:39,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:50:39,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:50:39,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:50:39,326 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:50:39,326 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:50:39,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:50:39,326 INFO L82 PathProgramCache]: Analyzing trace with hash 2070339973, now seen corresponding path program 5 times [2021-06-06 11:50:39,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:50:39,326 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864897705] [2021-06-06 11:50:39,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:50:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:50:40,053 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 40 [2021-06-06 11:50:40,558 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 76 [2021-06-06 11:50:40,779 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2021-06-06 11:50:41,516 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 112 [2021-06-06 11:50:41,809 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 243 [2021-06-06 11:50:42,724 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 134 [2021-06-06 11:50:42,980 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 237 [2021-06-06 11:50:43,886 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 128 [2021-06-06 11:50:44,233 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 207 [2021-06-06 11:50:44,740 WARN L205 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 87 [2021-06-06 11:50:44,999 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-06-06 11:50:45,158 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2021-06-06 11:50:45,315 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2021-06-06 11:50:45,515 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:50:45,515 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 11:50:45,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864897705] [2021-06-06 11:50:45,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864897705] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:50:45,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834046851] [2021-06-06 11:50:45,515 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 11:50:45,567 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 11:50:45,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 11:50:45,568 WARN L261 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 54 conjunts are in the unsatisfiable core [2021-06-06 11:50:45,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 11:50:47,722 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 134 [2021-06-06 11:50:49,513 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 342 [2021-06-06 11:50:51,798 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 343 [2021-06-06 11:50:53,665 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-06 11:50:55,617 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 346 [2021-06-06 11:50:57,262 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 345 [2021-06-06 11:50:58,575 WARN L205 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-06-06 11:50:59,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:59,953 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:59,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:59,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:59,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:50:59,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:50:59,978 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 77 treesize of output 43 [2021-06-06 11:50:59,980 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:00,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:00,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:00,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:00,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:00,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:00,025 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 40 [2021-06-06 11:51:00,027 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:07,403 WARN L205 SmtUtils]: Spent 7.37 s on a formula simplification. DAG size of input: 835 DAG size of output: 742 [2021-06-06 11:51:07,404 INFO L628 ElimStorePlain]: treesize reduction 1890, result has 57.6 percent of original size [2021-06-06 11:51:07,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:07,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:07,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:07,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:07,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:07,442 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 [2021-06-06 11:51:07,444 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:09,874 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 729 [2021-06-06 11:51:09,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:09,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:09,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:09,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:09,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:09,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:09,932 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 [2021-06-06 11:51:09,934 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:12,249 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 715 [2021-06-06 11:51:12,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:12,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:12,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:12,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:12,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:12,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:12,285 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 [2021-06-06 11:51:12,287 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:14,718 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 698 [2021-06-06 11:51:14,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:14,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:14,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:14,752 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:14,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:14,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:14,755 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 [2021-06-06 11:51:14,757 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:17,144 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 682 [2021-06-06 11:51:17,145 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:17,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:17,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:17,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:17,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:17,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:17,182 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 [2021-06-06 11:51:17,184 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:19,320 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 668 [2021-06-06 11:51:19,321 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:19,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:19,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:19,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:19,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:19,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:19,354 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:19,372 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 [2021-06-06 11:51:19,373 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:19,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:19,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:19,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:19,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:19,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:19,406 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 [2021-06-06 11:51:19,408 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:21,357 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 649 [2021-06-06 11:51:21,358 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:21,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:21,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:21,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:21,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:21,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:21,391 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 [2021-06-06 11:51:21,392 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:23,313 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 632 [2021-06-06 11:51:23,314 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:23,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:23,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:23,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:23,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:23,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-06-06 11:51:23,348 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:25,234 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 619 [2021-06-06 11:51:25,235 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:25,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:25,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:25,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:25,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:25,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:25,266 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 [2021-06-06 11:51:25,268 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:27,065 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 602 [2021-06-06 11:51:27,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:27,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:27,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:27,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:27,094 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:27,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:27,096 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 [2021-06-06 11:51:27,097 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:28,872 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 586 [2021-06-06 11:51:28,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:28,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:28,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:28,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:28,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:28,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:28,903 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 [2021-06-06 11:51:28,905 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:30,695 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 572 [2021-06-06 11:51:30,696 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:30,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:30,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:30,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:30,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:30,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:30,726 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 [2021-06-06 11:51:30,728 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:32,464 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 556 [2021-06-06 11:51:32,464 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:32,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:32,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:32,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:32,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:32,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:32,495 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 [2021-06-06 11:51:32,497 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:34,235 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 540 [2021-06-06 11:51:34,236 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:34,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:34,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:34,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:34,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:34,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:34,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:34,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:34,267 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 [2021-06-06 11:51:34,269 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:35,938 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 524 [2021-06-06 11:51:35,938 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:35,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:35,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:35,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:35,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:35,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:35,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:35,985 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 [2021-06-06 11:51:35,986 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:36,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:36,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:36,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:36,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:36,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:36,016 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 [2021-06-06 11:51:36,017 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:37,528 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 502 [2021-06-06 11:51:37,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:37,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:37,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:37,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:37,554 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:37,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:37,555 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 [2021-06-06 11:51:37,557 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:39,018 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 484 [2021-06-06 11:51:39,019 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:39,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:39,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:39,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:39,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:39,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:39,045 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 [2021-06-06 11:51:39,048 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:40,519 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 469 [2021-06-06 11:51:40,519 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:40,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:40,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:40,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:40,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:40,544 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 [2021-06-06 11:51:40,546 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:41,992 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 455 [2021-06-06 11:51:41,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:42,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:42,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:42,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:42,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:42,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:42,018 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 [2021-06-06 11:51:42,020 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:43,354 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 440 [2021-06-06 11:51:43,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:43,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:43,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:43,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:43,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:43,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:43,380 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 [2021-06-06 11:51:43,381 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:44,672 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 425 [2021-06-06 11:51:44,672 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:44,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:44,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:44,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:44,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:44,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:44,696 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 [2021-06-06 11:51:44,697 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:45,987 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 408 [2021-06-06 11:51:45,987 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:46,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:46,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:46,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:46,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:46,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:46,011 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 [2021-06-06 11:51:46,013 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:47,263 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 394 [2021-06-06 11:51:47,264 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:47,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:47,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:47,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:47,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:47,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:47,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:47,302 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 [2021-06-06 11:51:47,304 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:47,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:47,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:47,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:47,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:47,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:47,327 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 [2021-06-06 11:51:47,329 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:48,454 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 374 [2021-06-06 11:51:48,455 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:48,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:48,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:48,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:48,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:48,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:48,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2021-06-06 11:51:48,482 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:49,563 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 357 [2021-06-06 11:51:49,564 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:49,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:49,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:49,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:49,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:49,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:49,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:49,600 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 [2021-06-06 11:51:49,601 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:49,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:49,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:49,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:49,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:49,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:49,623 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 [2021-06-06 11:51:49,625 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:50,588 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2021-06-06 11:51:50,588 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:50,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:50,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:50,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:50,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:50,609 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 [2021-06-06 11:51:50,610 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:51,531 WARN L205 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2021-06-06 11:51:51,531 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:51,549 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:51,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:51,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:51,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:51,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:51,553 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 [2021-06-06 11:51:51,555 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:52,457 WARN L205 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2021-06-06 11:51:52,458 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:52,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:52,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:52,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:52,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:52,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:52,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:52,492 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 [2021-06-06 11:51:52,494 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:52,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:52,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:52,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:52,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:52,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:52,514 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 [2021-06-06 11:51:52,517 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:53,317 WARN L205 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 286 [2021-06-06 11:51:53,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:53,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:53,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:53,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:53,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:53,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:53,337 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 [2021-06-06 11:51:53,339 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:54,109 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-06 11:51:54,109 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:54,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:54,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:54,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:54,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:54,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:54,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:54,140 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 [2021-06-06 11:51:54,142 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:54,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:54,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:54,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:54,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:54,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:54,160 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 [2021-06-06 11:51:54,162 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:54,832 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-06-06 11:51:54,833 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:54,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:54,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:54,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:54,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:54,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:54,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:54,863 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 [2021-06-06 11:51:54,868 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:54,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 11:51:54,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:54,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:54,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:54,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 11:51:54,888 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 [2021-06-06 11:51:54,890 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-06 11:51:55,489 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-06-06 11:51:55,489 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 11:51:55,512 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-06-06 11:51:55,512 INFO L247 ElimStorePlain]: Needed 41 recursive calls to eliminate 96 variables, input treesize:4571, output treesize:175 [2021-06-06 11:51:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 11:51:55,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834046851] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 11:51:55,668 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 11:51:55,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-06-06 11:51:55,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932488764] [2021-06-06 11:51:55,668 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 11:51:55,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 11:51:55,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 11:51:55,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=755, Unknown=0, NotChecked=0, Total=870 [2021-06-06 11:51:55,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:51:55,669 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 11:51:55,669 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.4) internal successors, (72), 30 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 11:51:55,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:51:55,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:51:55,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:51:55,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:51:55,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:51:55,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:51:55,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:51:55,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:51:55,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 11:51:56,040 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 64 [2021-06-06 11:51:56,452 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 69 [2021-06-06 11:51:56,851 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 77 [2021-06-06 11:51:57,132 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 70 [2021-06-06 11:51:57,497 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 94 [2021-06-06 11:52:03,087 WARN L205 SmtUtils]: Spent 5.44 s on a formula simplification. DAG size of input: 419 DAG size of output: 419 [2021-06-06 11:52:03,341 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2021-06-06 11:52:03,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 11:52:03,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 11:52:03,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 11:52:03,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 11:52:03,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 11:52:03,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 11:52:03,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 11:52:03,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 11:52:03,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 11:52:03,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable188 [2021-06-06 11:52:03,941 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 11:52:03,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 11:52:03,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1007081921, now seen corresponding path program 6 times [2021-06-06 11:52:03,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 11:52:03,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375821242] [2021-06-06 11:52:03,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 11:52:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 11:52:05,558 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 33 [2021-06-06 11:52:05,886 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 143 [2021-06-06 11:52:06,195 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 52 [2021-06-06 11:52:08,322 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 188 DAG size of output: 286 [2021-06-06 11:52:09,024 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 66 [2021-06-06 11:53:55,248 WARN L205 SmtUtils]: Spent 1.77 m on a formula simplification. DAG size of input: 384 DAG size of output: 713 [2021-06-06 11:53:55,398 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 713 [2021-06-06 11:53:58,019 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 709 DAG size of output: 166 [2021-06-06 11:57:09,558 WARN L205 SmtUtils]: Spent 3.19 m on a formula simplification. DAG size of input: 435 DAG size of output: 486 [2021-06-06 11:57:13,627 WARN L205 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 484 DAG size of output: 282 [2021-06-06 12:00:26,396 WARN L205 SmtUtils]: Spent 3.21 m on a formula simplification. DAG size of input: 438 DAG size of output: 489 [2021-06-06 12:00:30,230 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 487 DAG size of output: 263 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown