/usr/bin/java -Xmx8000000000 -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-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 21:04:31,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 21:04:31,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 21:04:32,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 21:04:32,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 21:04:32,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 21:04:32,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 21:04:32,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 21:04:32,030 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 21:04:32,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 21:04:32,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 21:04:32,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 21:04:32,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 21:04:32,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 21:04:32,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 21:04:32,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 21:04:32,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 21:04:32,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 21:04:32,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 21:04:32,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 21:04:32,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 21:04:32,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-06-16 21:04:32,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 21:04:32,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 21:04:32,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 21:04:32,078 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-NewStatesSleep-NoLbe-Symm.epf [2021-06-16 21:04:32,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 21:04:32,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 21:04:32,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 21:04:32,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 21:04:32,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 21:04:32,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 21:04:32,117 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 21:04:32,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 21:04:32,118 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 21:04:32,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 21:04:32,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 21:04:32,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 21:04:32,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 21:04:32,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 21:04:32,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 21:04:32,119 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 21:04:32,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 21:04:32,119 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 21:04:32,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 21:04:32,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 21:04:32,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 21:04:32,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 21:04:32,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 21:04:32,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 21:04:32,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 21:04:32,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 21:04:32,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 21:04:32,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 21:04:32,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 21:04:32,121 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 21:04:32,121 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 21:04:32,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 21:04:32,122 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 21:04:32,122 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 21:04:32,122 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 21:04:32,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 21:04:32,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 21:04:32,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 21:04:32,475 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 21:04:32,477 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 21:04:32,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl [2021-06-16 21:04:32,478 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl' [2021-06-16 21:04:32,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 21:04:32,520 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 21:04:32,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 21:04:32,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 21:04:32,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 21:04:32,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:04:32" (1/1) ... [2021-06-16 21:04:32,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:04:32" (1/1) ... [2021-06-16 21:04:32,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 21:04:32,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 21:04:32,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 21:04:32,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 21:04:32,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:04:32" (1/1) ... [2021-06-16 21:04:32,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:04:32" (1/1) ... [2021-06-16 21:04:32,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:04:32" (1/1) ... [2021-06-16 21:04:32,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:04:32" (1/1) ... [2021-06-16 21:04:32,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:04:32" (1/1) ... [2021-06-16 21:04:32,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:04:32" (1/1) ... [2021-06-16 21:04:32,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:04:32" (1/1) ... [2021-06-16 21:04:32,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 21:04:32,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 21:04:32,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 21:04:32,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 21:04:32,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:04:32" (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 [2021-06-16 21:04:32,661 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-16 21:04:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-16 21:04:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-16 21:04:32,661 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-16 21:04:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-16 21:04:32,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-16 21:04:32,662 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 21:04:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 21:04:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 21:04:32,662 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-16 21:04:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-16 21:04:32,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-16 21:04:32,662 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-16 21:04:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-16 21:04:32,663 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-16 21:04:32,663 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 21:04:32,878 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 21:04:32,879 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-16 21:04:32,880 INFO L202 PluginConnector]: Adding new model prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 09:04:32 BoogieIcfgContainer [2021-06-16 21:04:32,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 21:04:32,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 21:04:32,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 21:04:32,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 21:04:32,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:04:32" (1/2) ... [2021-06-16 21:04:32,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edda4be and model type prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 09:04:32, skipping insertion in model container [2021-06-16 21:04:32,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 09:04:32" (2/2) ... [2021-06-16 21:04:32,887 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons3.wvr.bpl [2021-06-16 21:04:32,891 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 21:04:32,892 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 21:04:32,892 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 21:04:32,892 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 21:04:32,930 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-16 21:04:32,947 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 [2021-06-16 21:04:33,042 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 21:04:33,042 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 21:04:33,042 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 21:04:33,043 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 21:04:33,043 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 21:04:33,043 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 21:04:33,043 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 21:04:33,043 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 21:04:33,293 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:33,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:33,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1895797149, now seen corresponding path program 1 times [2021-06-16 21:04:33,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:33,306 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903931199] [2021-06-16 21:04:33,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 21:04:33,459 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:33,460 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903931199] [2021-06-16 21:04:33,460 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903931199] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:04:33,461 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 21:04:33,461 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 21:04:33,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419747181] [2021-06-16 21:04:33,467 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 21:04:33,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:04:33,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 21:04:33,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 21:04:33,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:33,487 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:04:33,489 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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) [2021-06-16 21:04:33,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:33,529 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 21:04:33,529 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:33,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:33,530 INFO L82 PathProgramCache]: Analyzing trace with hash 74688590, now seen corresponding path program 2 times [2021-06-16 21:04:33,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:33,531 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404173108] [2021-06-16 21:04:33,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:33,590 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-16 21:04:33,590 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:33,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404173108] [2021-06-16 21:04:33,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404173108] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:04:33,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 21:04:33,591 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 21:04:33,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064619927] [2021-06-16 21:04:33,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 21:04:33,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:04:33,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 21:04:33,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 21:04:33,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:33,595 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:04:33,595 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 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) [2021-06-16 21:04:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:33,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:33,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:33,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:33,645 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 21:04:33,645 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:33,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:33,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1848907666, now seen corresponding path program 3 times [2021-06-16 21:04:33,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:33,646 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111386545] [2021-06-16 21:04:33,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:33,716 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-16 21:04:33,717 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:33,717 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111386545] [2021-06-16 21:04:33,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111386545] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:33,718 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189112560] [2021-06-16 21:04:33,718 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 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 [2021-06-16 21:04:33,779 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-06-16 21:04:33,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:04:33,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-16 21:04:33,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:04:34,034 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 21:04:34,035 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189112560] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:34,035 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:04:34,035 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 8 [2021-06-16 21:04:34,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071693488] [2021-06-16 21:04:34,036 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 21:04:34,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:04:34,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 21:04:34,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-16 21:04:34,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:34,037 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:04:34,037 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 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) [2021-06-16 21:04:34,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:34,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:34,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:34,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:34,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:34,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:04:34,441 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:04:34,441 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:34,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:34,442 INFO L82 PathProgramCache]: Analyzing trace with hash 375376800, now seen corresponding path program 4 times [2021-06-16 21:04:34,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:34,442 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277486181] [2021-06-16 21:04:34,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:34,497 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-16 21:04:34,497 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:34,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277486181] [2021-06-16 21:04:34,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277486181] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:04:34,498 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 21:04:34,498 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-16 21:04:34,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943252670] [2021-06-16 21:04:34,498 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-16 21:04:34,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:04:34,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-16 21:04:34,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-16 21:04:34,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:34,499 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:04:34,499 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:04:34,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:34,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:34,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:04:34,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:34,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:04:34,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:34,525 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-16 21:04:34,525 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:34,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:34,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1322692, now seen corresponding path program 5 times [2021-06-16 21:04:34,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:34,526 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087891761] [2021-06-16 21:04:34,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-06-16 21:04:34,581 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:34,581 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087891761] [2021-06-16 21:04:34,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087891761] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:34,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964459453] [2021-06-16 21:04:34,582 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 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 [2021-06-16 21:04:34,687 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-16 21:04:34,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:04:34,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-16 21:04:34,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:04:34,784 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-16 21:04:34,784 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964459453] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:34,784 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:04:34,784 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-06-16 21:04:34,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213566398] [2021-06-16 21:04:34,785 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-16 21:04:34,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:04:34,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-16 21:04:34,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-16 21:04:34,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:34,786 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:04:34,786 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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) [2021-06-16 21:04:34,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:34,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:34,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:04:34,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:34,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:04:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:34,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:35,016 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:04:35,017 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:35,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:35,017 INFO L82 PathProgramCache]: Analyzing trace with hash -950390417, now seen corresponding path program 6 times [2021-06-16 21:04:35,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:35,018 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224665907] [2021-06-16 21:04:35,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:35,269 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-16 21:04:35,269 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:35,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224665907] [2021-06-16 21:04:35,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224665907] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:35,269 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338484541] [2021-06-16 21:04:35,270 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 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 [2021-06-16 21:04:35,326 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-16 21:04:35,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:04:35,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-16 21:04:35,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:04:35,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-06-16 21:04:35,618 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:04:35,626 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:04:35,628 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:04:35,628 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:24, output treesize:13 [2021-06-16 21:04:35,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-16 21:04:35,745 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:04:35,751 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:04:35,753 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:04:35,754 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:10 [2021-06-16 21:04:35,882 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 21:04:35,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338484541] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:35,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:04:35,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 27 [2021-06-16 21:04:35,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102401051] [2021-06-16 21:04:35,886 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-16 21:04:35,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:04:35,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-16 21:04:35,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=603, Unknown=0, NotChecked=0, Total=702 [2021-06-16 21:04:35,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:35,888 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:04:35,889 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 3.2222222222222223) internal successors, (87), 27 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) [2021-06-16 21:04:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:04:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:35,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:36,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:36,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:36,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:04:36,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:36,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:36,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 21:04:36,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:04:36,776 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:36,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:36,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1120839275, now seen corresponding path program 7 times [2021-06-16 21:04:36,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:36,777 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207733460] [2021-06-16 21:04:36,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:37,203 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:04:37,203 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:37,203 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207733460] [2021-06-16 21:04:37,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207733460] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:37,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282023897] [2021-06-16 21:04:37,204 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 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 [2021-06-16 21:04:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:37,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-16 21:04:37,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:04:37,683 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-06-16 21:04:37,684 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 17 [2021-06-16 21:04:37,691 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:04:37,698 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:04:37,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:04:37,699 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:20 [2021-06-16 21:04:37,904 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-06-16 21:04:37,905 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 13 [2021-06-16 21:04:37,907 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:04:37,911 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:04:37,912 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:04:37,912 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:10 [2021-06-16 21:04:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:04:38,018 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282023897] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:38,018 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:04:38,018 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 38 [2021-06-16 21:04:38,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103033515] [2021-06-16 21:04:38,019 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-16 21:04:38,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:04:38,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-16 21:04:38,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1261, Unknown=0, NotChecked=0, Total=1406 [2021-06-16 21:04:38,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:38,020 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:04:38,020 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.473684210526316) internal successors, (94), 38 states have internal predecessors, (94), 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) [2021-06-16 21:04:38,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:38,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:38,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:04:38,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:38,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:38,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 21:04:38,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:04:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 21:04:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:04:39,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-06-16 21:04:39,352 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:39,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:39,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1365757943, now seen corresponding path program 8 times [2021-06-16 21:04:39,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:39,353 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928315406] [2021-06-16 21:04:39,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:39,417 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 25 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-06-16 21:04:39,417 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:39,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928315406] [2021-06-16 21:04:39,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928315406] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:39,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134398936] [2021-06-16 21:04:39,418 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 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 [2021-06-16 21:04:39,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 21:04:39,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:04:39,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-16 21:04:39,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:04:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 25 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-06-16 21:04:39,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134398936] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:39,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:04:39,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 7 [2021-06-16 21:04:39,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102975633] [2021-06-16 21:04:39,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 21:04:39,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:04:39,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 21:04:39,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-06-16 21:04:39,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:39,595 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:04:39,596 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 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) [2021-06-16 21:04:39,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:39,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:39,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:04:39,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:39,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:39,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 21:04:39,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:04:39,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:04:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 21:04:39,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:04:39,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 21:04:39,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:04:39,904 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:39,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:39,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1097527085, now seen corresponding path program 9 times [2021-06-16 21:04:39,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:39,905 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075345194] [2021-06-16 21:04:39,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:39,984 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-06-16 21:04:39,984 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:39,984 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075345194] [2021-06-16 21:04:39,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075345194] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:39,985 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539675632] [2021-06-16 21:04:39,985 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 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 [2021-06-16 21:04:40,059 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-16 21:04:40,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:04:40,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-16 21:04:40,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:04:40,182 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-06-16 21:04:40,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539675632] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:40,183 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:04:40,183 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 8 [2021-06-16 21:04:40,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222654281] [2021-06-16 21:04:40,184 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 21:04:40,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:04:40,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 21:04:40,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-06-16 21:04:40,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:40,185 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:04:40,185 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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) [2021-06-16 21:04:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:04:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 21:04:40,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:04:40,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 21:04:40,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:40,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:40,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:04:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 21:04:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:04:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 21:04:40,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 21:04:40,504 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-16 21:04:40,505 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:40,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:40,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1063666133, now seen corresponding path program 10 times [2021-06-16 21:04:40,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:40,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197755126] [2021-06-16 21:04:40,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:41,213 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 9 proven. 91 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-16 21:04:41,213 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:41,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197755126] [2021-06-16 21:04:41,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197755126] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:41,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880334874] [2021-06-16 21:04:41,213 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 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 [2021-06-16 21:04:41,273 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 21:04:41,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:04:41,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 53 conjunts are in the unsatisfiable core [2021-06-16 21:04:41,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:04:42,029 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-06-16 21:04:42,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 29 [2021-06-16 21:04:42,031 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:04:42,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:04:42,039 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:04:42,039 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:64, output treesize:27 [2021-06-16 21:04:42,389 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-06-16 21:04:42,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 18 [2021-06-16 21:04:42,391 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:04:42,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:04:42,398 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:04:42,398 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:45, output treesize:10 [2021-06-16 21:04:42,519 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 9 proven. 90 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-16 21:04:42,519 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880334874] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:42,519 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:04:42,519 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 27] total 53 [2021-06-16 21:04:42,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963105657] [2021-06-16 21:04:42,520 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-16 21:04:42,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:04:42,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-16 21:04:42,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=2534, Unknown=0, NotChecked=0, Total=2756 [2021-06-16 21:04:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:42,522 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:04:42,522 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 2.3207547169811322) internal successors, (123), 53 states have internal predecessors, (123), 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) [2021-06-16 21:04:42,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:42,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:42,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:04:42,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:42,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:42,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-16 21:04:42,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:04:42,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 21:04:42,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-16 21:04:42,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:04:44,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:44,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:04:44,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 21:04:44,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:44,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-16 21:04:44,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-16 21:04:44,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:04:44,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 21:04:44,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-16 21:04:44,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-16 21:04:44,861 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-06-16 21:04:44,861 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:04:44,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:04:44,862 INFO L82 PathProgramCache]: Analyzing trace with hash 401290821, now seen corresponding path program 11 times [2021-06-16 21:04:44,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:04:44,862 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806805672] [2021-06-16 21:04:44,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:04:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:04:45,714 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 9 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:04:45,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:04:45,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806805672] [2021-06-16 21:04:45,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806805672] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:04:45,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153532586] [2021-06-16 21:04:45,715 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 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 [2021-06-16 21:04:45,772 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-16 21:04:45,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:04:45,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 69 conjunts are in the unsatisfiable core [2021-06-16 21:04:45,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:04:47,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:47,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:47,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:47,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:47,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:47,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:47,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:47,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:47,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:47,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:47,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:47,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:47,177 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:04:47,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 69 treesize of output 143 [2021-06-16 21:04:47,296 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:04:47,392 INFO L628 ElimStorePlain]: treesize reduction 79, result has 55.4 percent of original size [2021-06-16 21:04:47,419 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:04:47,420 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:95, output treesize:119 [2021-06-16 21:04:48,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:04:48,335 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:04:48,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 52 treesize of output 140 [2021-06-16 21:04:48,940 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 8 xjuncts. [2021-06-16 21:04:49,016 INFO L628 ElimStorePlain]: treesize reduction 484, result has 8.9 percent of original size [2021-06-16 21:04:49,024 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:04:49,024 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:53