/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 12:04:49,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 12:04:49,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 12:04:49,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 12:04:49,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 12:04:49,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 12:04:49,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 12:04:49,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 12:04:49,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 12:04:49,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 12:04:49,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 12:04:49,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 12:04:49,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 12:04:49,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 12:04:49,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 12:04:49,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 12:04:49,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-06 12:04:49,750 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 12:04:49,779 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 12:04:49,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 12:04:49,780 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 12:04:49,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 12:04:49,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 12:04:49,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 12:04:49,782 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 12:04:49,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 12:04:49,783 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 12:04:49,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 12:04:49,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 12:04:49,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 12:04:49,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 12:04:49,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 12:04:49,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 12:04:49,784 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 12:04:49,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 12:04:49,784 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 12:04:49,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 12:04:49,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 12:04:49,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 12:04:49,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 12:04:49,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 12:04:49,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 12:04:49,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 12:04:49,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 12:04:49,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 12:04:49,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 12:04:49,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 12:04:49,786 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 12:04:49,786 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 12:04:49,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 12:04:49,787 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 12:04:49,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 12:04:50,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 12:04:50,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 12:04:50,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 12:04:50,147 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 12:04:50,148 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 12:04:50,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl [2021-06-06 12:04:50,149 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl' [2021-06-06 12:04:50,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 12:04:50,169 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 12:04:50,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 12:04:50,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 12:04:50,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 12:04:50,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:04:50" (1/1) ... [2021-06-06 12:04:50,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:04:50" (1/1) ... [2021-06-06 12:04:50,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 12:04:50,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 12:04:50,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 12:04:50,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 12:04:50,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:04:50" (1/1) ... [2021-06-06 12:04:50,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:04:50" (1/1) ... [2021-06-06 12:04:50,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:04:50" (1/1) ... [2021-06-06 12:04:50,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:04:50" (1/1) ... [2021-06-06 12:04:50,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:04:50" (1/1) ... [2021-06-06 12:04:50,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:04:50" (1/1) ... [2021-06-06 12:04:50,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:04:50" (1/1) ... [2021-06-06 12:04:50,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 12:04:50,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 12:04:50,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 12:04:50,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 12:04:50,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:04:50" (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 12:04:50,284 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 12:04:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 12:04:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 12:04:50,285 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 12:04:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 12:04:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 12:04:50,285 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 12:04:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 12:04:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 12:04:50,285 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 12:04:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 12:04:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 12:04:50,287 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 12:04:50,508 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 12:04:50,508 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 12:04:50,510 INFO L202 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 12:04:50 BoogieIcfgContainer [2021-06-06 12:04:50,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 12:04:50,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 12:04:50,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 12:04:50,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 12:04:50,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 12:04:50" (1/2) ... [2021-06-06 12:04:50,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a80b64 and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 12:04:50, skipping insertion in model container [2021-06-06 12:04:50,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 12:04:50" (2/2) ... [2021-06-06 12:04:50,517 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2021-06-06 12:04:50,522 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 12:04:50,522 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 12:04:50,522 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 12:04:50,523 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 12:04:50,552 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 12:04:50,583 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 12:04:50,713 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 12:04:50,713 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 12:04:50,713 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 12:04:50,714 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 12:04:50,714 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 12:04:50,714 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 12:04:50,714 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 12:04:50,714 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 12:04:50,822 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:50,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:50,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1399820781, now seen corresponding path program 1 times [2021-06-06 12:04:50,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:50,840 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658789896] [2021-06-06 12:04:50,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:51,010 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 12:04:51,011 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:51,012 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658789896] [2021-06-06 12:04:51,013 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658789896] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 12:04:51,013 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 12:04:51,013 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 12:04:51,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349631114] [2021-06-06 12:04:51,019 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 12:04:51,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:51,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 12:04:51,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 12:04:51,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:51,038 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:51,043 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 12:04:51,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:51,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:51,073 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 12:04:51,073 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:51,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:51,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1882321483, now seen corresponding path program 1 times [2021-06-06 12:04:51,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:51,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601150947] [2021-06-06 12:04:51,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:51,150 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 12:04:51,150 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:51,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601150947] [2021-06-06 12:04:51,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601150947] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 12:04:51,151 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 12:04:51,151 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 12:04:51,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846273361] [2021-06-06 12:04:51,161 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 12:04:51,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:51,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 12:04:51,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 12:04:51,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:51,162 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:51,162 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 12:04:51,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:51,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:51,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:51,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:51,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 12:04:51,224 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:51,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:51,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1166833961, now seen corresponding path program 1 times [2021-06-06 12:04:51,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:51,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512934738] [2021-06-06 12:04:51,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:51,511 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 12:04:51,511 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:51,511 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512934738] [2021-06-06 12:04:51,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512934738] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:51,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195690142] [2021-06-06 12:04:51,512 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 12:04:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:51,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 12:04:51,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:51,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:04:51,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-06 12:04:51,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 12:04:51,834 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 12:04:51,836 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 12:04:51,837 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:3 [2021-06-06 12:04:51,863 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 12:04:51,863 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195690142] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:51,864 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:51,864 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 12:04:51,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563506564] [2021-06-06 12:04:51,864 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 12:04:51,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:51,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 12:04:51,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-06-06 12:04:51,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:51,865 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:51,866 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:04:51,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:51,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:51,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:52,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:52,189 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:52,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:52,190 INFO L82 PathProgramCache]: Analyzing trace with hash 2135652999, now seen corresponding path program 2 times [2021-06-06 12:04:52,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:52,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706400312] [2021-06-06 12:04:52,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:52,285 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:52,286 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:52,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706400312] [2021-06-06 12:04:52,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706400312] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:52,286 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205113755] [2021-06-06 12:04:52,286 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 12:04:52,317 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 12:04:52,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:04:52,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 12:04:52,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:52,463 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 12:04:52,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205113755] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:52,464 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:52,464 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 12:04:52,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620029733] [2021-06-06 12:04:52,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 12:04:52,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:52,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 12:04:52,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 12:04:52,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:52,466 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:52,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:04:52,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:52,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:52,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:52,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:52,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:52,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:52,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:52,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:52,872 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:52,873 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:52,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:52,873 INFO L82 PathProgramCache]: Analyzing trace with hash -357408053, now seen corresponding path program 1 times [2021-06-06 12:04:52,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:52,873 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365541597] [2021-06-06 12:04:52,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 12:04:52,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:52,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365541597] [2021-06-06 12:04:52,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365541597] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:52,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021112339] [2021-06-06 12:04:52,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:52,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 12:04:52,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:53,115 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 12:04:53,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021112339] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:53,115 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:53,115 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 12:04:53,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590366548] [2021-06-06 12:04:53,116 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 12:04:53,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:53,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 12:04:53,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 12:04:53,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:53,120 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:53,120 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:04:53,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:53,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:53,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:53,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:53,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:53,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:53,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:53,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:53,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:53,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:53,448 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:53,449 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:53,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:53,450 INFO L82 PathProgramCache]: Analyzing trace with hash -336173655, now seen corresponding path program 2 times [2021-06-06 12:04:53,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:53,450 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664358751] [2021-06-06 12:04:53,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:53,819 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2021-06-06 12:04:53,975 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:53,975 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:53,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664358751] [2021-06-06 12:04:53,975 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664358751] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:53,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692375905] [2021-06-06 12:04:53,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:54,016 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 12:04:54,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:04:54,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-06 12:04:54,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:54,463 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 12:04:54,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 37 [2021-06-06 12:04:54,487 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-06 12:04:54,514 INFO L628 ElimStorePlain]: treesize reduction 35, result has 41.7 percent of original size [2021-06-06 12:04:54,520 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 12:04:54,520 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:29 [2021-06-06 12:04:54,609 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:54,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692375905] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:54,610 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:54,610 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 24 [2021-06-06 12:04:54,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277270825] [2021-06-06 12:04:54,611 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-06-06 12:04:54,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:54,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-06-06 12:04:54,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=471, Unknown=0, NotChecked=0, Total=552 [2021-06-06 12:04:54,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:54,612 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:54,612 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 2.125) internal successors, (51), 24 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:04:54,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:54,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:54,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:54,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:54,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:54,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:55,271 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 47 [2021-06-06 12:04:55,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:55,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:55,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:55,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:55,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:55,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:55,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-06 12:04:55,829 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:55,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:55,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1404753657, now seen corresponding path program 3 times [2021-06-06 12:04:55,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:55,830 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681609861] [2021-06-06 12:04:55,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:55,917 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:55,917 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:55,917 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681609861] [2021-06-06 12:04:55,917 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681609861] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:55,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94795802] [2021-06-06 12:04:55,918 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:55,950 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 12:04:55,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:04:55,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 12:04:55,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:56,140 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:56,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94795802] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:56,141 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:56,141 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 12:04:56,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721349988] [2021-06-06 12:04:56,141 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 12:04:56,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:56,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 12:04:56,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 12:04:56,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:56,142 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:56,143 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:04:56,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:56,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:56,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:56,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:56,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:56,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:56,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:56,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:56,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:56,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:56,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:56,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:56,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:56,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:56,821 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:56,822 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:56,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:56,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1909403317, now seen corresponding path program 4 times [2021-06-06 12:04:56,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:56,822 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608342811] [2021-06-06 12:04:56,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:56,911 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 12:04:56,911 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:56,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608342811] [2021-06-06 12:04:56,911 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608342811] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:56,911 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753160792] [2021-06-06 12:04:56,911 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:56,942 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 12:04:56,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:04:56,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 12:04:56,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:57,101 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 12:04:57,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753160792] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:57,101 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:57,101 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 12:04:57,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001033162] [2021-06-06 12:04:57,102 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 12:04:57,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:57,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 12:04:57,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 12:04:57,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:57,103 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:57,103 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 12:04:57,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:57,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:57,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:57,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:57,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:57,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:57,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:57,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:57,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:57,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:57,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:57,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:57,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:57,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:57,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:57,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:57,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:57,457 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:04:57,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:04:57,457 INFO L82 PathProgramCache]: Analyzing trace with hash 665523753, now seen corresponding path program 5 times [2021-06-06 12:04:57,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:04:57,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582001057] [2021-06-06 12:04:57,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:04:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:04:57,974 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:57,974 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:04:57,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582001057] [2021-06-06 12:04:57,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582001057] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:57,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069271102] [2021-06-06 12:04:57,975 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:04:58,010 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 12:04:58,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:04:58,012 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-06 12:04:58,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:04:58,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:04:58,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:58,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:58,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:58,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:04:58,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2021-06-06 12:04:58,782 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 12:04:58,788 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 12:04:58,790 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 12:04:58,790 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:48, output treesize:3 [2021-06-06 12:04:58,819 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:04:58,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069271102] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:04:58,820 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:04:58,820 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 31 [2021-06-06 12:04:58,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906976500] [2021-06-06 12:04:58,820 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 12:04:58,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:04:58,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 12:04:58,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2021-06-06 12:04:58,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:04:58,821 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:04:58,822 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.193548387096774) internal successors, (68), 31 states have internal predecessors, (68), 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 12:04:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:04:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:04:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:04:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:04:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:04:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:04:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:04:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:00,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:00,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:00,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:00,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:00,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:00,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:00,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:00,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:00,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:00,397 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-06 12:05:00,398 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:05:00,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:05:00,398 INFO L82 PathProgramCache]: Analyzing trace with hash 440189797, now seen corresponding path program 6 times [2021-06-06 12:05:00,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:05:00,399 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627777316] [2021-06-06 12:05:00,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:05:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:05:01,104 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 4 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:01,104 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:05:01,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627777316] [2021-06-06 12:05:01,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627777316] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:01,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079799130] [2021-06-06 12:05:01,105 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:05:01,141 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 12:05:01,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:05:01,142 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 59 conjunts are in the unsatisfiable core [2021-06-06 12:05:01,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:05:02,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:02,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:05:02,242 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 12:05:02,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 43 treesize of output 107 [2021-06-06 12:05:02,788 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-06-06 12:05:02,988 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 23 [2021-06-06 12:05:02,989 INFO L628 ElimStorePlain]: treesize reduction 1744, result has 1.7 percent of original size [2021-06-06 12:05:02,997 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 12:05:02,997 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:65, output treesize:19 [2021-06-06 12:05:03,081 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:03,081 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079799130] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:03,081 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:05:03,082 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22] total 37 [2021-06-06 12:05:03,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377607802] [2021-06-06 12:05:03,082 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 12:05:03,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:05:03,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 12:05:03,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1214, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 12:05:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:03,084 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:05:03,084 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.027027027027027) internal successors, (75), 37 states have internal predecessors, (75), 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 12:05:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:03,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:04,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:04,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 12:05:04,741 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:05:04,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:05:04,741 INFO L82 PathProgramCache]: Analyzing trace with hash 932932035, now seen corresponding path program 7 times [2021-06-06 12:05:04,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:05:04,742 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180813561] [2021-06-06 12:05:04,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:05:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:05:04,903 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 25 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:04,903 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:05:04,903 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180813561] [2021-06-06 12:05:04,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180813561] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:04,904 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479577833] [2021-06-06 12:05:04,904 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:05:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:05:04,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 12:05:04,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:05:05,299 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 36 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:05,300 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479577833] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:05,300 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:05:05,300 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 31 [2021-06-06 12:05:05,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947491136] [2021-06-06 12:05:05,301 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-06 12:05:05,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:05:05,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-06 12:05:05,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=765, Unknown=0, NotChecked=0, Total=930 [2021-06-06 12:05:05,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:05,302 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:05:05,302 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.3548387096774195) internal successors, (73), 31 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 12:05:05,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:05,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:05,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:05,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:05,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:05,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:05,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:05,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:05,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:05,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:05,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:06,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:06,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:06,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:06,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:06,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:06,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:06,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:06,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:06,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:06,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:06,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:05:06,641 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:05:06,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:05:06,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1748614505, now seen corresponding path program 8 times [2021-06-06 12:05:06,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:05:06,642 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694418030] [2021-06-06 12:05:06,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:05:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:05:06,817 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 40 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:06,818 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:05:06,818 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694418030] [2021-06-06 12:05:06,818 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694418030] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:06,818 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985903323] [2021-06-06 12:05:06,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:05:06,859 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 12:05:06,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:05:06,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 12:05:06,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:05:07,239 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 49 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 12:05:07,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985903323] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:07,240 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:05:07,240 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 36 [2021-06-06 12:05:07,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432884547] [2021-06-06 12:05:07,240 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-06 12:05:07,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:05:07,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-06 12:05:07,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1083, Unknown=0, NotChecked=0, Total=1260 [2021-06-06 12:05:07,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:07,242 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:05:07,242 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.4722222222222223) internal successors, (89), 36 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 12:05:07,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:07,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:07,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:07,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:07,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:07,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:07,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:07,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:07,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:07,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:07,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:07,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:07,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:07,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2021-06-06 12:05:07,961 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:05:07,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:05:07,961 INFO L82 PathProgramCache]: Analyzing trace with hash 414393799, now seen corresponding path program 9 times [2021-06-06 12:05:07,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:05:07,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514568605] [2021-06-06 12:05:07,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:05:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:05:08,150 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 40 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:08,150 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:05:08,150 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514568605] [2021-06-06 12:05:08,151 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514568605] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:08,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863063035] [2021-06-06 12:05:08,151 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 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 12:05:08,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-06-06 12:05:08,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:05:08,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 12:05:08,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:05:08,591 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 40 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:08,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863063035] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:08,592 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:05:08,592 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 38 [2021-06-06 12:05:08,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731134798] [2021-06-06 12:05:08,592 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-06 12:05:08,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:05:08,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-06 12:05:08,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1133, Unknown=0, NotChecked=0, Total=1406 [2021-06-06 12:05:08,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:08,594 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:05:08,594 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.289473684210526) internal successors, (87), 38 states have internal predecessors, (87), 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 12:05:08,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:08,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:08,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:08,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:08,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:08,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:08,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:08,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:08,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:08,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:08,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:08,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:08,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:08,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:09,054 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:05:09,054 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:05:09,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:05:09,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1871450459, now seen corresponding path program 10 times [2021-06-06 12:05:09,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:05:09,055 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953086468] [2021-06-06 12:05:09,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:05:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:05:09,902 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:09,902 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:05:09,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953086468] [2021-06-06 12:05:09,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953086468] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:09,902 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773841692] [2021-06-06 12:05:09,902 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 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 12:05:09,940 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 12:05:09,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:05:09,941 WARN L261 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 80 conjunts are in the unsatisfiable core [2021-06-06 12:05:09,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:05:11,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:05:11,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:05:11,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,145 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:05:11,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:11,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 36 disjoint index pairs (out of 66 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 37 [2021-06-06 12:05:11,153 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 12:05:11,160 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 12:05:11,162 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 12:05:11,162 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:115, output treesize:7 [2021-06-06 12:05:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:11,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773841692] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:11,208 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:05:11,208 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 37 [2021-06-06 12:05:11,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154935860] [2021-06-06 12:05:11,209 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-06-06 12:05:11,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:05:11,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-06-06 12:05:11,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1234, Unknown=0, NotChecked=0, Total=1332 [2021-06-06 12:05:11,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:11,210 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:05:11,210 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.2432432432432434) internal successors, (83), 37 states have internal predecessors, (83), 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 12:05:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:11,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:11,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:11,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:11,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:11,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:11,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:11,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:11,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:11,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:11,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:12,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:12,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:12,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:12,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:12,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:12,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:12,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:12,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:12,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:12,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:12,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:12,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:12,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:12,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:05:12,414 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2021-06-06 12:05:12,415 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:05:12,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:05:12,415 INFO L82 PathProgramCache]: Analyzing trace with hash 455473155, now seen corresponding path program 11 times [2021-06-06 12:05:12,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:05:12,415 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430935292] [2021-06-06 12:05:12,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:05:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:05:12,710 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 64 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:12,710 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:05:12,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430935292] [2021-06-06 12:05:12,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430935292] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:12,711 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67594881] [2021-06-06 12:05:12,711 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 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 12:05:12,756 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-06 12:05:12,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:05:12,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 12:05:12,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:05:13,295 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 81 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:13,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67594881] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:13,295 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:05:13,295 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 43 [2021-06-06 12:05:13,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508698102] [2021-06-06 12:05:13,296 INFO L462 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-06-06 12:05:13,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:05:13,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-06-06 12:05:13,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=1488, Unknown=0, NotChecked=0, Total=1806 [2021-06-06 12:05:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:13,297 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:05:13,297 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 43 states, 43 states have (on average 2.255813953488372) internal successors, (97), 43 states have internal predecessors, (97), 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 12:05:13,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:13,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:05:13,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:15,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:05:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:05:15,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:05:15,429 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:05:15,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:05:15,429 INFO L82 PathProgramCache]: Analyzing trace with hash -357524567, now seen corresponding path program 12 times [2021-06-06 12:05:15,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:05:15,429 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439877635] [2021-06-06 12:05:15,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:05:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:05:15,699 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 85 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:15,699 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:05:15,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439877635] [2021-06-06 12:05:15,699 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439877635] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:15,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415934284] [2021-06-06 12:05:15,699 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 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 12:05:15,739 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-06-06 12:05:15,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:05:15,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-06 12:05:15,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:05:16,289 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 85 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:16,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415934284] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:16,289 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:05:16,289 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 48 [2021-06-06 12:05:16,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924002289] [2021-06-06 12:05:16,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-06 12:05:16,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:05:16,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-06 12:05:16,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=1827, Unknown=0, NotChecked=0, Total=2256 [2021-06-06 12:05:16,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:16,292 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:05:16,293 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 2.2291666666666665) internal successors, (107), 48 states have internal predecessors, (107), 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 12:05:16,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:16,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:16,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:05:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:05:16,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:16,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:05:16,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:05:16,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:05:16,801 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2021-06-06 12:05:16,801 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:05:16,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:05:16,801 INFO L82 PathProgramCache]: Analyzing trace with hash 2087347975, now seen corresponding path program 13 times [2021-06-06 12:05:16,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:05:16,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418432959] [2021-06-06 12:05:16,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:05:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:05:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 85 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:17,097 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:05:17,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418432959] [2021-06-06 12:05:17,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418432959] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:17,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570913259] [2021-06-06 12:05:17,097 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 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 12:05:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:05:17,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 26 conjunts are in the unsatisfiable core [2021-06-06 12:05:17,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:05:17,775 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 85 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:17,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570913259] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:17,775 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:05:17,775 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 50 [2021-06-06 12:05:17,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668543988] [2021-06-06 12:05:17,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-06 12:05:17,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:05:17,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-06 12:05:17,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=1982, Unknown=0, NotChecked=0, Total=2450 [2021-06-06 12:05:17,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:17,778 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:05:17,778 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 2.22) internal successors, (111), 50 states have internal predecessors, (111), 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 12:05:17,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:17,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:17,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:17,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:17,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:17,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:17,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:17,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:17,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:17,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:17,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:17,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:17,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:17,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:05:17,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:05:17,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:05:17,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:05:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:05:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:05:18,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:05:18,350 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:05:18,350 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:05:18,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:05:18,351 INFO L82 PathProgramCache]: Analyzing trace with hash -2032217371, now seen corresponding path program 14 times [2021-06-06 12:05:18,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:05:18,351 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012205540] [2021-06-06 12:05:18,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:05:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:05:19,504 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:19,504 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:05:19,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012205540] [2021-06-06 12:05:19,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012205540] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:19,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920720204] [2021-06-06 12:05:19,505 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:05:19,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 12:05:19,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:05:19,560 WARN L261 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 104 conjunts are in the unsatisfiable core [2021-06-06 12:05:19,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:05:21,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:05:21,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:05:21,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:05:21,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:05:21,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 66 disjoint index pairs (out of 105 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 46 [2021-06-06 12:05:21,318 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 12:05:21,327 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 12:05:21,328 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 12:05:21,329 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:142, output treesize:7 [2021-06-06 12:05:21,374 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:21,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920720204] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:21,374 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:05:21,374 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 46 [2021-06-06 12:05:21,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892085248] [2021-06-06 12:05:21,375 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-06-06 12:05:21,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:05:21,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-06-06 12:05:21,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1948, Unknown=0, NotChecked=0, Total=2070 [2021-06-06 12:05:21,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:21,375 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:05:21,375 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 2.1956521739130435) internal successors, (101), 46 states have internal predecessors, (101), 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 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:05:21,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:22,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:22,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:05:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:05:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:05:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:05:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:23,044 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-06-06 12:05:23,044 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:05:23,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:05:23,044 INFO L82 PathProgramCache]: Analyzing trace with hash -974667965, now seen corresponding path program 15 times [2021-06-06 12:05:23,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:05:23,044 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936317760] [2021-06-06 12:05:23,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:05:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:05:23,408 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 121 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:23,409 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:05:23,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936317760] [2021-06-06 12:05:23,409 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936317760] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:23,409 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [916841749] [2021-06-06 12:05:23,409 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:05:23,459 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-06-06 12:05:23,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:05:23,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 12:05:23,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:05:24,209 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 144 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:24,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [916841749] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:24,209 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:05:24,209 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 55 [2021-06-06 12:05:24,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462893440] [2021-06-06 12:05:24,209 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-06 12:05:24,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:05:24,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-06 12:05:24,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=525, Invalid=2445, Unknown=0, NotChecked=0, Total=2970 [2021-06-06 12:05:24,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:24,210 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:05:24,211 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 2.2) internal successors, (121), 55 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 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:24,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:26,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:05:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-06 12:05:26,986 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2021-06-06 12:05:26,986 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:05:26,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:05:26,986 INFO L82 PathProgramCache]: Analyzing trace with hash -229641495, now seen corresponding path program 16 times [2021-06-06 12:05:26,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:05:26,986 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106738919] [2021-06-06 12:05:26,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:05:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:05:27,349 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 148 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:27,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:05:27,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106738919] [2021-06-06 12:05:27,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106738919] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:27,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185126820] [2021-06-06 12:05:27,350 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:05:27,392 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 12:05:27,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:05:27,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 12:05:27,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:05:28,107 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 169 proven. 169 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 12:05:28,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185126820] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:28,107 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:05:28,107 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30] total 60 [2021-06-06 12:05:28,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225027555] [2021-06-06 12:05:28,108 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-06-06 12:05:28,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:05:28,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-06-06 12:05:28,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=3069, Unknown=0, NotChecked=0, Total=3540 [2021-06-06 12:05:28,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:28,109 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:05:28,109 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 2.283333333333333) internal successors, (137), 60 states have internal predecessors, (137), 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 12:05:28,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:28,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:28,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:28,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:28,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:28,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:28,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:28,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:28,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:28,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:28,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:28,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:28,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:28,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:05:28,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:05:28,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:05:28,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:05:28,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:28,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-06 12:05:28,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:29,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-06 12:05:29,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 12:05:29,315 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:05:29,315 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:05:29,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:05:29,315 INFO L82 PathProgramCache]: Analyzing trace with hash 818782535, now seen corresponding path program 17 times [2021-06-06 12:05:29,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:05:29,316 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164775462] [2021-06-06 12:05:29,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:05:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:05:29,707 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 148 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:29,707 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:05:29,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164775462] [2021-06-06 12:05:29,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164775462] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:29,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652032977] [2021-06-06 12:05:29,708 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:05:29,754 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-06-06 12:05:29,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:05:29,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-06 12:05:29,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:05:30,544 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 148 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:30,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652032977] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:30,544 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 12:05:30,544 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 62 [2021-06-06 12:05:30,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103031984] [2021-06-06 12:05:30,545 INFO L462 AbstractCegarLoop]: Interpolant automaton has 62 states [2021-06-06 12:05:30,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 12:05:30,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-06-06 12:05:30,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=717, Invalid=3065, Unknown=0, NotChecked=0, Total=3782 [2021-06-06 12:05:30,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:30,546 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 12:05:30,546 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 62 states, 62 states have (on average 2.1774193548387095) internal successors, (135), 62 states have internal predecessors, (135), 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 12:05:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:05:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:05:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:05:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:05:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-06-06 12:05:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-06 12:05:30,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 12:05:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 12:05:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 12:05:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 12:05:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 12:05:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 12:05:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 12:05:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 12:05:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-06-06 12:05:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 12:05:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 12:05:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 12:05:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-06-06 12:05:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 12:05:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 12:05:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 12:05:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-06-06 12:05:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-06 12:05:30,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-06 12:05:31,153 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2021-06-06 12:05:31,154 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 12:05:31,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 12:05:31,154 INFO L82 PathProgramCache]: Analyzing trace with hash -963039195, now seen corresponding path program 18 times [2021-06-06 12:05:31,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 12:05:31,154 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288088941] [2021-06-06 12:05:31,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 12:05:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 12:05:32,764 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 398 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 12:05:32,765 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 12:05:32,765 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288088941] [2021-06-06 12:05:32,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288088941] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 12:05:32,765 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49567084] [2021-06-06 12:05:32,765 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 12:05:32,819 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2021-06-06 12:05:32,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 12:05:32,821 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 130 conjunts are in the unsatisfiable core [2021-06-06 12:05:32,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 12:07:15,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 12:07:15,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 12:07:15,942 INFO L244 Elim1Store]: Index analysis took 315 ms [2021-06-06 12:07:19,246 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification that was a NOOP. DAG size: 679 [2021-06-06 12:07:19,247 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 12:07:19,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 27 select indices, 27 select index equivalence classes, 171 disjoint index pairs (out of 351 index pairs), introduced 26 new quantified variables, introduced 176 case distinctions, treesize of input 203 treesize of output 1661 [2021-06-06 12:07:22,924 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 2652 DAG size of output: 2325 [2021-06-06 12:07:26,878 WARN L205 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 2704 DAG size of output: 2377 [2021-06-06 12:09:23,982 WARN L205 SmtUtils]: Spent 1.92 m on a formula simplification. DAG size of input: 26390 DAG size of output: 18926 [2021-06-06 12:11:32,165 WARN L205 SmtUtils]: Spent 2.11 m on a formula simplification. DAG size of input: 26443 DAG size of output: 18979 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown