/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 17:43:17,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 17:43:17,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 17:43:17,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 17:43:17,366 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-Random42.epf [2021-06-06 17:43:17,397 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 17:43:17,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 17:43:17,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 17:43:17,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 17:43:17,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 17:43:17,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 17:43:17,401 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 17:43:17,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 17:43:17,401 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 17:43:17,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 17:43:17,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 17:43:17,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 17:43:17,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 17:43:17,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 17:43:17,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 17:43:17,402 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 17:43:17,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 17:43:17,403 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 17:43:17,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 17:43:17,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 17:43:17,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 17:43:17,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 17:43:17,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 17:43:17,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 17:43:17,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 17:43:17,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 17:43:17,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 17:43:17,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 17:43:17,404 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 17:43:17,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 17:43:17,404 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 17:43:17,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 17:43:17,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 17:43:17,405 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 17:43:17,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 17:43:17,405 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 17:43:17,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 17:43:17,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 17:43:17,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 17:43:17,747 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 17:43:17,752 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 17:43:17,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl [2021-06-06 17:43:17,754 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl' [2021-06-06 17:43:17,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 17:43:17,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 17:43:17,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 17:43:17,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 17:43:17,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 17:43:17,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:43:17" (1/1) ... [2021-06-06 17:43:17,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:43:17" (1/1) ... [2021-06-06 17:43:17,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 17:43:17,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 17:43:17,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 17:43:17,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 17:43:17,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:43:17" (1/1) ... [2021-06-06 17:43:17,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:43:17" (1/1) ... [2021-06-06 17:43:17,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:43:17" (1/1) ... [2021-06-06 17:43:17,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:43:17" (1/1) ... [2021-06-06 17:43:17,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:43:17" (1/1) ... [2021-06-06 17:43:17,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:43:17" (1/1) ... [2021-06-06 17:43:17,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:43:17" (1/1) ... [2021-06-06 17:43:17,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 17:43:17,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 17:43:17,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 17:43:17,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 17:43:17,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:43:17" (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 17:43:17,885 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 17:43:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 17:43:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 17:43:17,886 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 17:43:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 17:43:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 17:43:17,887 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 17:43:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 17:43:17,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 17:43:17,888 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 17:43:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 17:43:17,889 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 17:43:17,889 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 17:43:18,111 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 17:43:18,112 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 17:43:18,113 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:43:18 BoogieIcfgContainer [2021-06-06 17:43:18,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 17:43:18,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 17:43:18,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 17:43:18,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 17:43:18,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:43:17" (1/2) ... [2021-06-06 17:43:18,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fedce0 and model type sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 05:43:18, skipping insertion in model container [2021-06-06 17:43:18,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:43:18" (2/2) ... [2021-06-06 17:43:18,119 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array.wvr.bpl [2021-06-06 17:43:18,124 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 17:43:18,144 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 17:43:18,145 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 17:43:18,146 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 17:43:18,206 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 17:43:18,224 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 17:43:18,321 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 17:43:18,321 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 17:43:18,321 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 17:43:18,321 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 17:43:18,321 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 17:43:18,321 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 17:43:18,322 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 17:43:18,322 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 17:43:18,367 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:18,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:18,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1625853677, now seen corresponding path program 1 times [2021-06-06 17:43:18,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:18,382 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283132775] [2021-06-06 17:43:18,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:18,541 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 17:43:18,541 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:18,541 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283132775] [2021-06-06 17:43:18,542 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283132775] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 17:43:18,542 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 17:43:18,542 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 17:43:18,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522730356] [2021-06-06 17:43:18,546 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 17:43:18,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:18,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 17:43:18,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 17:43:18,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:18,559 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:18,560 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 17:43:18,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:18,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:18,577 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 17:43:18,577 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:18,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:18,578 INFO L82 PathProgramCache]: Analyzing trace with hash -485591733, now seen corresponding path program 1 times [2021-06-06 17:43:18,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:18,578 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056547956] [2021-06-06 17:43:18,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:18,650 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 17:43:18,651 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:18,651 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056547956] [2021-06-06 17:43:18,651 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056547956] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 17:43:18,651 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 17:43:18,651 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 17:43:18,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778623838] [2021-06-06 17:43:18,653 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 17:43:18,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:18,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 17:43:18,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-06 17:43:18,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:18,654 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:18,656 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 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 17:43:18,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:18,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:18,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:18,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:18,749 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 17:43:18,749 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:18,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:18,750 INFO L82 PathProgramCache]: Analyzing trace with hash 308350371, now seen corresponding path program 1 times [2021-06-06 17:43:18,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:18,751 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914856101] [2021-06-06 17:43:18,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:18,799 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 17:43:18,799 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:18,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914856101] [2021-06-06 17:43:18,800 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914856101] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 17:43:18,800 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 17:43:18,801 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 17:43:18,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172553577] [2021-06-06 17:43:18,801 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 17:43:18,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:18,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 17:43:18,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 17:43:18,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:18,803 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:18,803 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 17:43:18,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:18,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:18,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:18,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:18,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:18,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:18,842 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 17:43:18,842 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:18,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:18,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1940962605, now seen corresponding path program 1 times [2021-06-06 17:43:18,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:18,843 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124393186] [2021-06-06 17:43:18,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:19,088 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 17:43:19,088 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:19,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124393186] [2021-06-06 17:43:19,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124393186] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:19,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930043329] [2021-06-06 17:43:19,089 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 17:43:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:19,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-06 17:43:19,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 17:43:19,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-06 17:43:19,372 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 17:43:19,376 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 17:43:19,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 17:43:19,379 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:3 [2021-06-06 17:43:19,414 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 17:43:19,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930043329] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:19,418 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 17:43:19,418 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-06 17:43:19,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686789572] [2021-06-06 17:43:19,420 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 17:43:19,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:19,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 17:43:19,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-06-06 17:43:19,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:19,423 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:19,423 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 10 states have internal predecessors, (32), 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 17:43:19,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:19,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:19,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:19,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:19,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:19,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:19,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:19,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:19,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 17:43:19,785 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:19,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:19,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1688853899, now seen corresponding path program 2 times [2021-06-06 17:43:19,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:19,786 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209680576] [2021-06-06 17:43:19,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:19,847 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 17:43:19,848 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:19,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209680576] [2021-06-06 17:43:19,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209680576] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:19,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284646701] [2021-06-06 17:43:19,848 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 17:43:19,902 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 17:43:19,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 17:43:19,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 17:43:19,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 17:43:20,018 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 17:43:20,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284646701] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:20,019 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 17:43:20,019 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-06-06 17:43:20,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320724146] [2021-06-06 17:43:20,020 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 17:43:20,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:20,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 17:43:20,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-06-06 17:43:20,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:20,022 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:20,022 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 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 17:43:20,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:20,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:20,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:20,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:20,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:20,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:20,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:20,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:20,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:20,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:20,376 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 17:43:20,377 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:20,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:20,378 INFO L82 PathProgramCache]: Analyzing trace with hash -71920535, now seen corresponding path program 3 times [2021-06-06 17:43:20,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:20,378 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689680578] [2021-06-06 17:43:20,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:20,740 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:20,740 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:20,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689680578] [2021-06-06 17:43:20,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689680578] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:20,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99843973] [2021-06-06 17:43:20,741 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 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 17:43:20,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 17:43:20,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 17:43:20,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-06 17:43:20,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 17:43:20,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:20,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-06-06 17:43:20,985 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 17:43:20,989 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 17:43:20,991 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 17:43:20,991 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:29, output treesize:3 [2021-06-06 17:43:21,017 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:21,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99843973] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:21,018 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 17:43:21,018 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 16 [2021-06-06 17:43:21,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951953172] [2021-06-06 17:43:21,018 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 17:43:21,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:21,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 17:43:21,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2021-06-06 17:43:21,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:21,020 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:21,021 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 16 states have internal predecessors, (41), 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 17:43:21,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:21,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:21,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:21,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:21,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:21,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:21,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:21,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:21,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:21,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:21,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:21,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:21,564 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 17:43:21,564 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:21,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:21,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1450653605, now seen corresponding path program 4 times [2021-06-06 17:43:21,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:21,565 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84477253] [2021-06-06 17:43:21,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:21,651 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:21,652 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:21,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84477253] [2021-06-06 17:43:21,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84477253] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:21,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660439979] [2021-06-06 17:43:21,652 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 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 17:43:21,683 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 17:43:21,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 17:43:21,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 17:43:21,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 17:43:21,767 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:21,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660439979] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:21,767 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 17:43:21,768 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-06-06 17:43:21,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065996003] [2021-06-06 17:43:21,768 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 17:43:21,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:21,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 17:43:21,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-06-06 17:43:21,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:21,769 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:21,769 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 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 17:43:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:21,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:21,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:21,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:21,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:21,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:21,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:21,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:21,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:22,184 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-06 17:43:22,185 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:22,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:22,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1349136381, now seen corresponding path program 5 times [2021-06-06 17:43:22,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:22,185 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511059295] [2021-06-06 17:43:22,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:22,265 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:22,266 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:22,266 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511059295] [2021-06-06 17:43:22,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511059295] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:22,266 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132612258] [2021-06-06 17:43:22,266 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 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 17:43:22,298 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-06 17:43:22,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 17:43:22,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 17:43:22,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 17:43:22,394 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:22,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132612258] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:22,394 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 17:43:22,394 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 14 [2021-06-06 17:43:22,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052967202] [2021-06-06 17:43:22,395 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 17:43:22,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:22,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 17:43:22,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2021-06-06 17:43:22,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:22,396 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:22,396 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.642857142857143) internal successors, (37), 14 states have internal predecessors, (37), 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 17:43:22,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:22,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:22,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:22,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:22,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:22,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:22,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:22,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:22,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:22,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:22,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:22,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:22,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:22,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:22,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:22,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:22,864 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 17:43:22,865 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:22,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:22,865 INFO L82 PathProgramCache]: Analyzing trace with hash 997181665, now seen corresponding path program 6 times [2021-06-06 17:43:22,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:22,865 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290572988] [2021-06-06 17:43:22,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:23,418 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:23,418 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:23,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290572988] [2021-06-06 17:43:23,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290572988] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:23,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724133361] [2021-06-06 17:43:23,419 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 17:43:23,452 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 17:43:23,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 17:43:23,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-06 17:43:23,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 17:43:23,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:23,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:23,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:23,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:23,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 17:43:23,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:23,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:23,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 17:43:23,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:23,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:23,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 17:43:23,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 17:43:23,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 15 [2021-06-06 17:43:23,868 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 17:43:23,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 17:43:23,873 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 17:43:23,874 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:3 [2021-06-06 17:43:23,900 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:23,900 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724133361] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:23,900 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 17:43:23,901 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14] total 26 [2021-06-06 17:43:23,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007795479] [2021-06-06 17:43:23,901 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-06 17:43:23,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:23,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-06 17:43:23,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2021-06-06 17:43:23,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:23,902 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:23,902 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.2222222222222223) internal successors, (60), 26 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 17:43:23,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:23,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:23,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:23,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:23,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:23,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:23,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:23,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:23,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:25,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:25,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:25,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:25,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:25,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:25,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:25,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:25,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:25,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:43:25,474 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 17:43:25,475 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:25,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:25,475 INFO L82 PathProgramCache]: Analyzing trace with hash -306108899, now seen corresponding path program 7 times [2021-06-06 17:43:25,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:25,475 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16026384] [2021-06-06 17:43:25,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:26,077 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:26,078 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:26,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16026384] [2021-06-06 17:43:26,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16026384] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:26,078 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583680303] [2021-06-06 17:43:26,078 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 17:43:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:26,111 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-06 17:43:26,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 17:43:26,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:26,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:26,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:26,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:26,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:26,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:26,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:26,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:26,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:26,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:26,494 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 53 treesize of output 17 [2021-06-06 17:43:26,496 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 17:43:26,500 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 17:43:26,502 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 17:43:26,502 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:59, output treesize:3 [2021-06-06 17:43:26,529 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:26,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583680303] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:26,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 17:43:26,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 28 [2021-06-06 17:43:26,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810683469] [2021-06-06 17:43:26,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-06 17:43:26,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:26,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-06 17:43:26,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=711, Unknown=0, NotChecked=0, Total=812 [2021-06-06 17:43:26,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:26,531 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:26,531 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.2413793103448274) internal successors, (65), 28 states have internal predecessors, (65), 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 17:43:26,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:26,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:26,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:26,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:26,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:26,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:26,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:26,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:26,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:43:26,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:43:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 17:43:27,880 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-06 17:43:27,881 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:27,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:27,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1906247001, now seen corresponding path program 8 times [2021-06-06 17:43:27,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:27,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025190969] [2021-06-06 17:43:27,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:28,679 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:28,679 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:28,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025190969] [2021-06-06 17:43:28,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025190969] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:28,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872121160] [2021-06-06 17:43:28,680 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 17:43:28,717 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 17:43:28,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 17:43:28,718 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-06 17:43:28,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 17:43:29,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:29,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:29,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:29,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:29,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:29,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:29,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:29,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:29,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:29,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:29,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:29,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:29,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:29,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:29,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:29,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 19 [2021-06-06 17:43:29,383 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 17:43:29,390 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 17:43:29,391 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 17:43:29,392 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:18 [2021-06-06 17:43:29,478 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:29,478 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872121160] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:29,478 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 17:43:29,478 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20] total 35 [2021-06-06 17:43:29,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152910667] [2021-06-06 17:43:29,479 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-06 17:43:29,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:29,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-06 17:43:29,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1084, Unknown=0, NotChecked=0, Total=1260 [2021-06-06 17:43:29,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:29,480 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:29,480 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.0277777777777777) internal successors, (73), 35 states have internal predecessors, (73), 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 17:43:29,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:29,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:29,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:29,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:29,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:29,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:29,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:29,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:29,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:43:29,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 17:43:29,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:31,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:43:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 17:43:31,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 17:43:31,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 17:43:31,221 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:31,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:31,222 INFO L82 PathProgramCache]: Analyzing trace with hash 295200405, now seen corresponding path program 9 times [2021-06-06 17:43:31,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:31,222 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013899376] [2021-06-06 17:43:31,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:31,932 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 20 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:31,932 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:31,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013899376] [2021-06-06 17:43:31,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013899376] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:31,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735397244] [2021-06-06 17:43:31,932 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 17:43:31,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-06 17:43:31,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 17:43:31,974 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 71 conjunts are in the unsatisfiable core [2021-06-06 17:43:31,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 17:43:32,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:32,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 21 [2021-06-06 17:43:32,642 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 17:43:32,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 17:43:32,650 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 17:43:32,651 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:92, output treesize:18 [2021-06-06 17:43:32,711 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:32,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735397244] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:32,711 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 17:43:32,711 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22] total 38 [2021-06-06 17:43:32,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303522698] [2021-06-06 17:43:32,712 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-06 17:43:32,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:32,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-06 17:43:32,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1271, Unknown=0, NotChecked=0, Total=1482 [2021-06-06 17:43:32,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:32,713 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:32,713 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.051282051282051) internal successors, (80), 38 states have internal predecessors, (80), 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 17:43:32,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:32,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:32,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:32,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:32,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:32,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:32,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:32,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:32,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:43:32,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 17:43:32,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 17:43:32,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:34,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:34,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:34,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:34,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:34,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:34,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:43:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 17:43:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 17:43:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 17:43:34,502 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 17:43:34,502 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:34,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:34,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1866708527, now seen corresponding path program 10 times [2021-06-06 17:43:34,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:34,503 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97536726] [2021-06-06 17:43:34,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 25 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:35,396 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:35,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97536726] [2021-06-06 17:43:35,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97536726] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:35,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149046956] [2021-06-06 17:43:35,397 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 17:43:35,431 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 17:43:35,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 17:43:35,433 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 72 conjunts are in the unsatisfiable core [2021-06-06 17:43:35,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 17:43:36,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:36,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 23 [2021-06-06 17:43:36,191 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 17:43:36,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 17:43:36,196 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 17:43:36,196 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:89, output treesize:3 [2021-06-06 17:43:36,228 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:36,228 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149046956] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:36,228 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 17:43:36,228 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21] total 40 [2021-06-06 17:43:36,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93998132] [2021-06-06 17:43:36,229 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-06 17:43:36,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:36,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-06 17:43:36,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1464, Unknown=0, NotChecked=0, Total=1640 [2021-06-06 17:43:36,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:36,230 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:36,230 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 2.1707317073170733) internal successors, (89), 40 states have internal predecessors, (89), 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 17:43:36,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:36,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:36,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:36,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:36,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:36,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:36,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:36,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:36,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:43:36,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 17:43:36,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 17:43:36,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 17:43:36,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:38,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:43:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 17:43:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 17:43:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 17:43:38,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 17:43:38,518 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-06 17:43:38,518 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:38,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:38,519 INFO L82 PathProgramCache]: Analyzing trace with hash -359026931, now seen corresponding path program 11 times [2021-06-06 17:43:38,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:38,519 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648678409] [2021-06-06 17:43:38,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:39,503 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 36 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:39,503 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:39,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648678409] [2021-06-06 17:43:39,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648678409] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:39,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807613510] [2021-06-06 17:43:39,504 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 17:43:39,555 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2021-06-06 17:43:39,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 17:43:39,557 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 81 conjunts are in the unsatisfiable core [2021-06-06 17:43:39,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 17:43:40,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:40,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 25 [2021-06-06 17:43:40,524 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 17:43:40,527 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 17:43:40,529 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 17:43:40,529 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:99, output treesize:3 [2021-06-06 17:43:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:40,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807613510] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:40,556 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 17:43:40,557 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23] total 43 [2021-06-06 17:43:40,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453368135] [2021-06-06 17:43:40,557 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-06-06 17:43:40,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:40,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-06-06 17:43:40,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1690, Unknown=0, NotChecked=0, Total=1892 [2021-06-06 17:43:40,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:40,558 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:40,559 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 2.1818181818181817) internal successors, (96), 43 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 17:43:40,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:40,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:40,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:40,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:40,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:40,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:40,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:40,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:40,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:43:40,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 17:43:40,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 17:43:40,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 17:43:40,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 17:43:40,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:42,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:42,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:42,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:42,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:42,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:42,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:42,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:42,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:42,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:43:42,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 17:43:42,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 17:43:42,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 17:43:42,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 17:43:42,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 17:43:43,191 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-06 17:43:43,191 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:43,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:43,191 INFO L82 PathProgramCache]: Analyzing trace with hash 322934345, now seen corresponding path program 12 times [2021-06-06 17:43:43,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:43,192 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971113776] [2021-06-06 17:43:43,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 49 proven. 151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:44,222 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:44,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971113776] [2021-06-06 17:43:44,222 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971113776] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:44,222 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457815702] [2021-06-06 17:43:44,222 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 17:43:44,262 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-06 17:43:44,262 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 17:43:44,263 WARN L261 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 94 conjunts are in the unsatisfiable core [2021-06-06 17:43:44,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 17:43:45,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:45,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 27 [2021-06-06 17:43:45,535 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 17:43:45,542 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 17:43:45,543 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 17:43:45,543 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:122, output treesize:18 [2021-06-06 17:43:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:45,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457815702] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:45,632 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 17:43:45,632 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28] total 51 [2021-06-06 17:43:45,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683622235] [2021-06-06 17:43:45,633 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-06-06 17:43:45,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:45,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-06-06 17:43:45,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=2308, Unknown=0, NotChecked=0, Total=2652 [2021-06-06 17:43:45,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:45,634 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:45,634 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.019230769230769) internal successors, (105), 51 states have internal predecessors, (105), 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 17:43:45,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:45,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:45,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:45,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:45,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:45,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:45,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:45,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:45,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:43:45,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 17:43:45,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 17:43:45,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 17:43:45,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 17:43:45,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 17:43:45,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:48,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:48,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:48,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:48,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:48,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:48,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:48,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:48,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:48,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:43:48,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 17:43:48,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 17:43:48,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 17:43:48,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 17:43:48,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 17:43:48,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 17:43:48,561 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 17:43:48,562 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:48,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:48,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1220739195, now seen corresponding path program 13 times [2021-06-06 17:43:48,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:48,562 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297894896] [2021-06-06 17:43:48,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:49,785 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 28 proven. 214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:49,785 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:49,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297894896] [2021-06-06 17:43:49,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297894896] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:49,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323243251] [2021-06-06 17:43:49,785 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 17:43:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:49,829 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 96 conjunts are in the unsatisfiable core [2021-06-06 17:43:49,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 17:43:51,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:51,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 29 [2021-06-06 17:43:51,097 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 17:43:51,101 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 17:43:51,102 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 17:43:51,102 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:119, output treesize:3 [2021-06-06 17:43:51,133 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:51,133 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323243251] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:51,133 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 17:43:51,133 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27] total 52 [2021-06-06 17:43:51,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977058963] [2021-06-06 17:43:51,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-06 17:43:51,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:51,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-06 17:43:51,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=2498, Unknown=0, NotChecked=0, Total=2756 [2021-06-06 17:43:51,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:51,135 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:51,135 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 2.1320754716981134) internal successors, (113), 52 states have internal predecessors, (113), 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 17:43:51,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:51,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:51,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:51,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:51,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:51,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:51,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:51,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:51,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:43:51,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 17:43:51,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 17:43:51,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 17:43:51,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 17:43:51,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 17:43:51,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 17:43:51,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:54,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:43:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 17:43:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 17:43:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 17:43:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 17:43:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 17:43:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 17:43:54,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 17:43:54,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 17:43:54,651 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:43:54,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:43:54,651 INFO L82 PathProgramCache]: Analyzing trace with hash -73340223, now seen corresponding path program 14 times [2021-06-06 17:43:54,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:43:54,651 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489616405] [2021-06-06 17:43:54,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:43:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:43:55,974 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 81 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:55,974 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:43:55,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489616405] [2021-06-06 17:43:55,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489616405] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:55,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282676749] [2021-06-06 17:43:55,975 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 17:43:56,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 17:43:56,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 17:43:56,017 WARN L261 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 104 conjunts are in the unsatisfiable core [2021-06-06 17:43:56,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 17:43:57,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:43:57,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 66 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 31 [2021-06-06 17:43:57,488 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 17:43:57,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 17:43:57,492 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 17:43:57,493 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:129, output treesize:3 [2021-06-06 17:43:57,521 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:43:57,521 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282676749] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:43:57,521 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 17:43:57,521 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29] total 56 [2021-06-06 17:43:57,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316339294] [2021-06-06 17:43:57,522 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-06-06 17:43:57,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 17:43:57,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-06-06 17:43:57,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=2869, Unknown=0, NotChecked=0, Total=3192 [2021-06-06 17:43:57,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:43:57,523 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 17:43:57,523 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 2.1228070175438596) internal successors, (121), 56 states have internal predecessors, (121), 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 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-06-06 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 17:43:57,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 17:44:01,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 17:44:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 17:44:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 17:44:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 17:44:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 17:44:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 17:44:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 17:44:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 17:44:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-06 17:44:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 17:44:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 17:44:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 17:44:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 17:44:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-06-06 17:44:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 17:44:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 17:44:01,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 17:44:01,529 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 17:44:01,529 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 17:44:01,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 17:44:01,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1039816701, now seen corresponding path program 15 times [2021-06-06 17:44:01,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 17:44:01,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589231691] [2021-06-06 17:44:01,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 17:44:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 17:44:02,856 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 100 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 17:44:02,856 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 17:44:02,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589231691] [2021-06-06 17:44:02,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589231691] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 17:44:02,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961962363] [2021-06-06 17:44:02,857 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 17:44:02,907 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-06-06 17:44:02,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 17:44:02,909 WARN L261 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 114 conjunts are in the unsatisfiable core [2021-06-06 17:44:02,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 17:45:31,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:31,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:32,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:32,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:32,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:32,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:32,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:32,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:32,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:32,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:32,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:32,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:32,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:32,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:32,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:32,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:32,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 17:45:32,250 INFO L244 Elim1Store]: Index analysis took 1135 ms [2021-06-06 17:45:36,761 WARN L205 SmtUtils]: Spent 4.51 s on a formula simplification that was a NOOP. DAG size: 465 [2021-06-06 17:45:36,762 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 17:45:36,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 66 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 105 case distinctions, treesize of input 129 treesize of output 1227 [2021-06-06 17:45:37,318 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 851 DAG size of output: 651 [2021-06-06 17:45:37,700 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 877 DAG size of output: 678 [2021-06-06 17:45:41,123 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 4421 DAG size of output: 2670 [2021-06-06 17:45:44,613 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 4447 DAG size of output: 2697 [2021-06-06 17:46:14,456 WARN L205 SmtUtils]: Spent 26.76 s on a formula simplification. DAG size of input: 27054 DAG size of output: 12120 [2021-06-06 17:46:43,917 WARN L205 SmtUtils]: Spent 28.37 s on a formula simplification. DAG size of input: 27076 DAG size of output: 12143 [2021-06-06 17:49:56,848 WARN L205 SmtUtils]: Spent 3.00 m on a formula simplification. DAG size of input: 116855 DAG size of output: 51238 [2021-06-06 17:53:15,817 WARN L205 SmtUtils]: Spent 3.22 m on a formula simplification. DAG size of input: 116876 DAG size of output: 51260 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown