/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-19 22:13:59,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 22:13:59,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 22:13:59,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 22:13:59,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 22:13:59,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 22:13:59,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 22:13:59,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 22:13:59,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 22:13:59,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 22:13:59,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 22:13:59,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 22:13:59,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 22:13:59,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 22:13:59,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 22:13:59,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 22:14:00,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 22:14:00,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 22:14:00,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 22:14:00,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 22:14:00,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 22:14:00,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 22:14:00,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 22:14:00,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 22:14:00,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-19 22:14:00,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 22:14:00,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 22:14:00,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 22:14:00,026 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf [2021-02-19 22:14:00,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 22:14:00,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 22:14:00,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-19 22:14:00,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-19 22:14:00,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 22:14:00,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 22:14:00,057 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 22:14:00,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 22:14:00,058 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 22:14:00,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 22:14:00,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 22:14:00,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 22:14:00,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 22:14:00,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 22:14:00,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 22:14:00,060 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 22:14:00,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 22:14:00,060 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 22:14:00,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 22:14:00,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 22:14:00,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 22:14:00,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-19 22:14:00,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 22:14:00,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 22:14:00,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 22:14:00,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 22:14:00,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 22:14:00,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 22:14:00,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 22:14:00,062 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-19 22:14:00,063 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-19 22:14:00,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 22:14:00,063 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-02-19 22:14:00,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 22:14:00,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 22:14:00,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 22:14:00,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 22:14:00,362 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-19 22:14:00,363 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-19 22:14:00,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl [2021-02-19 22:14:00,364 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl' [2021-02-19 22:14:00,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 22:14:00,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 22:14:00,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-19 22:14:00,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-19 22:14:00,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-19 22:14:00,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:14:00" (1/1) ... [2021-02-19 22:14:00,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:14:00" (1/1) ... [2021-02-19 22:14:00,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-19 22:14:00,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 22:14:00,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 22:14:00,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 22:14:00,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:14:00" (1/1) ... [2021-02-19 22:14:00,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:14:00" (1/1) ... [2021-02-19 22:14:00,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:14:00" (1/1) ... [2021-02-19 22:14:00,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:14:00" (1/1) ... [2021-02-19 22:14:00,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:14:00" (1/1) ... [2021-02-19 22:14:00,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:14:00" (1/1) ... [2021-02-19 22:14:00,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:14:00" (1/1) ... [2021-02-19 22:14:00,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 22:14:00,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 22:14:00,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 22:14:00,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 22:14:00,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:14:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 22:14:00,547 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-19 22:14:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-19 22:14:00,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-19 22:14:00,547 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-19 22:14:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-19 22:14:00,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-19 22:14:00,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-19 22:14:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 22:14:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 22:14:00,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-02-19 22:14:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-02-19 22:14:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-02-19 22:14:00,549 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-19 22:14:00,772 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 22:14:00,772 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 22:14:00,774 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:14:00 BoogieIcfgContainer [2021-02-19 22:14:00,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 22:14:00,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 22:14:00,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 22:14:00,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 22:14:00,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:14:00" (1/2) ... [2021-02-19 22:14:00,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5670ff9 and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 10:14:00, skipping insertion in model container [2021-02-19 22:14:00,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:14:00" (2/2) ... [2021-02-19 22:14:00,780 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2021-02-19 22:14:00,784 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-19 22:14:00,784 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 22:14:00,787 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 22:14:00,787 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-19 22:14:00,814 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-02-19 22:14:00,828 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-19 22:14:00,866 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 22:14:00,866 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 22:14:00,867 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 22:14:00,867 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 22:14:00,867 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 22:14:00,867 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 22:14:00,867 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 22:14:00,867 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 22:14:00,977 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:14:00,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:14:00,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-02-19 22:14:00,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:14:00,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658267744] [2021-02-19 22:14:00,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:14:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:14:01,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:14:01,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658267744] [2021-02-19 22:14:01,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 22:14:01,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 22:14:01,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365784932] [2021-02-19 22:14:01,171 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 22:14:01,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:14:01,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 22:14:01,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 22:14:01,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:01,184 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:14:01,186 INFO L481 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) [2021-02-19 22:14:01,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:01,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:14:01,259 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 22:14:01,259 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:14:01,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:14:01,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-02-19 22:14:01,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:14:01,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103890516] [2021-02-19 22:14:01,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:14:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:14:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:14:01,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103890516] [2021-02-19 22:14:01,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 22:14:01,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 22:14:01,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531276547] [2021-02-19 22:14:01,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 22:14:01,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:14:01,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 22:14:01,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 22:14:01,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:01,338 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:14:01,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:14:01,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:14:01,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:01,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:14:01,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:14:01,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 22:14:01,403 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:14:01,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:14:01,403 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-02-19 22:14:01,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:14:01,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777029301] [2021-02-19 22:14:01,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:14:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:14:01,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:14:01,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777029301] [2021-02-19 22:14:01,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665424036] [2021-02-19 22:14:01,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:14:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:14:01,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2021-02-19 22:14:01,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:14:02,141 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-02-19 22:14:02,141 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 66 [2021-02-19 22:14:02,156 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-02-19 22:14:02,164 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:14:02,173 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-02-19 22:14:02,173 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 46 [2021-02-19 22:14:02,182 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-02-19 22:14:02,189 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:14:02,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 17 treesize of output 9 [2021-02-19 22:14:02,195 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 22:14:02,199 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:14:02,201 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-19 22:14:02,202 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:75, output treesize:3 [2021-02-19 22:14:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:14:02,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:14:02,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-02-19 22:14:02,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031311711] [2021-02-19 22:14:02,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-19 22:14:02,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:14:02,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-19 22:14:02,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-02-19 22:14:02,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:02,249 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:14:02,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:14:02,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:14:02,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:14:02,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:02,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:14:02,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:14:02,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:14:02,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:14:02,698 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:14:02,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:14:02,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-02-19 22:14:02,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:14:02,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838963280] [2021-02-19 22:14:02,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:14:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:14:02,779 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:14:02,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838963280] [2021-02-19 22:14:02,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963309766] [2021-02-19 22:14:02,780 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:14:02,823 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 22:14:02,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:14:02,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-02-19 22:14:02,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:14:02,958 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:14:02,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:14:02,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-02-19 22:14:02,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310757985] [2021-02-19 22:14:02,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-19 22:14:02,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:14:02,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-19 22:14:02,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-02-19 22:14:02,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:02,966 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:14:02,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:14:02,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:14:02,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:14:02,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:14:02,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:03,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:14:03,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:14:03,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:14:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:14:03,346 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:14:03,346 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:14:03,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:14:03,347 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-02-19 22:14:03,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:14:03,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101965219] [2021-02-19 22:14:03,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:14:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:14:03,403 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:14:03,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101965219] [2021-02-19 22:14:03,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581898367] [2021-02-19 22:14:03,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:14:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:14:03,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-02-19 22:14:03,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:14:03,566 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:14:03,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:14:03,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-02-19 22:14:03,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010069552] [2021-02-19 22:14:03,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-19 22:14:03,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:14:03,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-19 22:14:03,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-02-19 22:14:03,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:03,568 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:14:03,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:14:03,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:14:03,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:14:03,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:14:03,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:14:03,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:03,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:14:03,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:14:03,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:14:03,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:14:03,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:14:03,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:14:03,898 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:14:03,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:14:03,899 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-02-19 22:14:03,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:14:03,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082814147] [2021-02-19 22:14:03,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:14:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:14:04,246 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:14:04,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082814147] [2021-02-19 22:14:04,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032517399] [2021-02-19 22:14:04,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:14:04,289 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-19 22:14:04,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:14:04,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 35 conjunts are in the unsatisfiable core [2021-02-19 22:14:04,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:14:04,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:14:04,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:14:04,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:14:04,689 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 49 [2021-02-19 22:14:04,698 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 22:14:04,705 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:14:04,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:14:04,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:14:04,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:14:04,710 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2021-02-19 22:14:04,717 INFO L550 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-02-19 22:14:04,724 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:14:04,744 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:14:04,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 37 treesize of output 49 [2021-02-19 22:14:04,779 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-02-19 22:14:04,820 INFO L628 ElimStorePlain]: treesize reduction 56, result has 36.4 percent of original size [2021-02-19 22:14:04,824 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-19 22:14:04,824 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:67, output treesize:3 [2021-02-19 22:14:04,856 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:14:04,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:14:04,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 23 [2021-02-19 22:14:04,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303059886] [2021-02-19 22:14:04,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-19 22:14:04,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:14:04,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-19 22:14:04,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2021-02-19 22:14:04,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:04,858 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:14:04,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:14:04,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:14:04,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:14:04,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:14:04,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:14:04,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:14:04,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:05,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:14:05,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:14:05,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:14:05,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:14:05,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:14:05,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:14:05,726 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-02-19 22:14:05,726 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:14:05,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:14:05,726 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-02-19 22:14:05,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:14:05,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349183698] [2021-02-19 22:14:05,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:14:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:14:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:14:05,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349183698] [2021-02-19 22:14:05,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496256743] [2021-02-19 22:14:05,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:14:05,894 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-02-19 22:14:05,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:14:05,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-02-19 22:14:05,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:14:06,080 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:14:06,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:14:06,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-02-19 22:14:06,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828060983] [2021-02-19 22:14:06,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-02-19 22:14:06,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:14:06,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-02-19 22:14:06,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-02-19 22:14:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:06,085 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:14:06,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:14:06,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:14:06,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:14:06,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:14:06,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:14:06,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:14:06,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:14:06,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:06,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:14:06,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:14:06,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:14:06,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:14:06,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:14:06,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:14:06,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:14:06,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:14:06,717 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:14:06,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:14:06,718 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-02-19 22:14:06,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:14:06,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417793522] [2021-02-19 22:14:06,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:14:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:14:06,815 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:14:06,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417793522] [2021-02-19 22:14:06,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941299478] [2021-02-19 22:14:06,816 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:14:06,856 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-02-19 22:14:06,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:14:06,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-02-19 22:14:06,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:14:07,010 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 22:14:07,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:14:07,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-02-19 22:14:07,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055037952] [2021-02-19 22:14:07,011 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-19 22:14:07,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:14:07,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-19 22:14:07,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-02-19 22:14:07,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:07,012 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:14:07,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:14:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:14:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:14:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:14:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:14:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:14:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:14:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:14:07,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:14:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:14:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:14:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:14:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:14:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:14:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:14:07,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:14:07,346 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:14:07,346 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:14:07,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:14:07,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-02-19 22:14:07,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:14:07,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772934563] [2021-02-19 22:14:07,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:14:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:14:07,926 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:14:07,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772934563] [2021-02-19 22:14:07,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632568536] [2021-02-19 22:14:07,927 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:14:07,978 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-02-19 22:14:07,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:14:07,979 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-02-19 22:14:07,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:14:16,868 WARN L202 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-02-19 22:14:17,329 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-02-19 22:14:17,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:14:17,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:14:17,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:14:17,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:14:17,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:14:17,450 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 97 treesize of output 77 [2021-02-19 22:14:17,455 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-19 22:14:17,466 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:14:17,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:14:17,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:14:17,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:14:17,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:14:17,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:14:17,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 57 [2021-02-19 22:14:17,477 INFO L550 ElimStorePlain]: Start of recursive call 3: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-02-19 22:14:17,487 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:14:17,549 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:14:17,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 137 [2021-02-19 22:14:18,008 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 210 [2021-02-19 22:14:18,234 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 257 [2021-02-19 22:14:18,442 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 257 [2021-02-19 22:14:19,061 WARN L202 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 305 [2021-02-19 22:14:19,998 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 346 [2021-02-19 22:14:20,172 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 263 [2021-02-19 22:14:20,308 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 258 [2021-02-19 22:14:20,484 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 262 [2021-02-19 22:14:20,630 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 261 [2021-02-19 22:14:21,081 WARN L202 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 300 [2021-02-19 22:14:21,739 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 346 [2021-02-19 22:14:21,846 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 258 [2021-02-19 22:14:22,029 INFO L550 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-02-19 22:14:24,213 WARN L202 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 263 DAG size of output: 247 [2021-02-19 22:14:24,214 INFO L628 ElimStorePlain]: treesize reduction 9280, result has 67.7 percent of original size [2021-02-19 22:14:25,662 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-02-19 22:14:25,663 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:106, output treesize:3 [2021-02-19 22:14:25,705 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:14:25,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:14:25,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-02-19 22:14:25,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763153602] [2021-02-19 22:14:25,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-02-19 22:14:25,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:14:25,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-02-19 22:14:25,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=741, Unknown=4, NotChecked=0, Total=870 [2021-02-19 22:14:25,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:14:25,711 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:14:25,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.2333333333333334) internal successors, (67), 30 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:14:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:14:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:14:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:14:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:14:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:14:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:14:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:14:25,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:14:25,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:15:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:15:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:15:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:15:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:15:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:15:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:15:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:15:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:15:30,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 22:15:30,650 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-02-19 22:15:30,650 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:15:30,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:15:30,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1933198930, now seen corresponding path program 6 times [2021-02-19 22:15:30,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:15:30,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127668923] [2021-02-19 22:15:30,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:15:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:15:30,819 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:15:30,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127668923] [2021-02-19 22:15:30,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149125477] [2021-02-19 22:15:30,819 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:15:30,866 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-02-19 22:15:30,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-19 22:15:30,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjunts are in the unsatisfiable core [2021-02-19 22:15:30,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:15:31,182 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:15:31,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-19 22:15:31,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-02-19 22:15:31,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372445767] [2021-02-19 22:15:31,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-02-19 22:15:31,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 22:15:31,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-02-19 22:15:31,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-02-19 22:15:31,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:15:31,185 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-19 22:15:31,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-02-19 22:15:31,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:15:31,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:15:31,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:15:31,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:15:31,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:15:31,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:15:31,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:15:31,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:15:31,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-02-19 22:15:31,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-19 22:15:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 22:15:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 22:15:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 22:15:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 22:15:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 22:15:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:15:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-19 22:15:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 22:15:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-19 22:15:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-19 22:15:31,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable519,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:15:31,626 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-19 22:15:31,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 22:15:31,627 INFO L82 PathProgramCache]: Analyzing trace with hash 976790896, now seen corresponding path program 7 times [2021-02-19 22:15:31,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 22:15:31,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720960331] [2021-02-19 22:15:31,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 22:15:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:15:32,476 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 22:15:32,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720960331] [2021-02-19 22:15:32,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83334751] [2021-02-19 22:15:32,476 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-19 22:15:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 22:15:32,524 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 65 conjunts are in the unsatisfiable core [2021-02-19 22:15:32,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-19 22:15:33,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:15:33,475 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:15:33,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:15:33,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:15:33,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:15:33,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:15:33,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:15:33,495 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:15:33,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:15:33,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:15:33,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:15:33,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 109 [2021-02-19 22:15:33,504 INFO L550 ElimStorePlain]: Start of recursive call 2: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-02-19 22:15:33,516 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:15:33,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:15:33,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:15:33,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:15:33,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:15:33,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:15:33,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:15:33,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:15:33,524 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:15:33,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:15:33,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-02-19 22:15:33,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-02-19 22:15:33,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 77 [2021-02-19 22:15:33,533 INFO L550 ElimStorePlain]: Start of recursive call 3: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-02-19 22:15:33,544 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:15:33,683 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-02-19 22:15:33,684 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 22:15:33,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 77 treesize of output 273 [2021-02-19 22:15:34,031 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2021-02-19 22:15:34,406 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 223 [2021-02-19 22:15:34,737 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 223 [2021-02-19 22:15:35,031 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 245 [2021-02-19 22:15:35,705 WARN L202 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 248 [2021-02-19 22:15:36,373 WARN L202 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 257 [2021-02-19 22:15:37,094 WARN L202 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 247 [2021-02-19 22:15:37,311 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 218 [2021-02-19 22:15:37,837 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 300 [2021-02-19 22:15:38,075 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 350 [2021-02-19 22:15:38,532 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 404 [2021-02-19 22:15:39,471 WARN L202 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 458 [2021-02-19 22:15:41,579 WARN L202 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 615 DAG size of output: 533 [2021-02-19 22:15:46,177 WARN L202 SmtUtils]: Spent 4.59 s on a formula simplification. DAG size of input: 701 DAG size of output: 614 [2021-02-19 22:15:55,844 WARN L202 SmtUtils]: Spent 9.66 s on a formula simplification. DAG size of input: 767 DAG size of output: 677 [2021-02-19 22:16:05,548 WARN L202 SmtUtils]: Spent 9.70 s on a formula simplification. DAG size of input: 767 DAG size of output: 677 [2021-02-19 22:16:15,492 WARN L202 SmtUtils]: Spent 9.94 s on a formula simplification. DAG size of input: 784 DAG size of output: 694 [2021-02-19 22:16:24,408 WARN L202 SmtUtils]: Spent 8.90 s on a formula simplification. DAG size of input: 674 DAG size of output: 673 [2021-02-19 22:16:28,429 WARN L202 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2021-02-19 22:16:28,982 WARN L202 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 234 [2021-02-19 22:16:29,543 WARN L202 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 222 [2021-02-19 22:16:30,086 WARN L202 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 220 [2021-02-19 22:16:30,615 WARN L202 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 219 [2021-02-19 22:16:31,617 WARN L202 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 414 [2021-02-19 22:16:33,646 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 522 DAG size of output: 479 [2021-02-19 22:16:38,131 WARN L202 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 581 DAG size of output: 537 [2021-02-19 22:16:47,947 WARN L202 SmtUtils]: Spent 9.81 s on a formula simplification. DAG size of input: 592 DAG size of output: 548 [2021-02-19 22:16:49,788 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 534 DAG size of output: 534 [2021-02-19 22:16:50,572 WARN L202 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 463 [2021-02-19 22:16:51,690 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 418 DAG size of output: 454 [2021-02-19 22:16:52,789 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 413 DAG size of output: 444 [2021-02-19 22:16:53,221 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 405 [2021-02-19 22:16:53,681 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2021-02-19 22:16:53,851 WARN L202 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 351 [2021-02-19 22:16:54,506 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 417 [2021-02-19 22:16:55,029 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 584 [2021-02-19 22:16:55,835 WARN L202 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 691 [2021-02-19 22:16:57,731 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 936 DAG size of output: 878 [2021-02-19 22:17:02,192 WARN L202 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 1134 DAG size of output: 1067 [2021-02-19 22:17:12,032 WARN L202 SmtUtils]: Spent 9.83 s on a formula simplification. DAG size of input: 1292 DAG size of output: 1222 [2021-02-19 22:17:12,419 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 264 [2021-02-19 22:17:12,665 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 313 [2021-02-19 22:17:13,229 WARN L202 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 367 [2021-02-19 22:17:14,417 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 415 DAG size of output: 376 [2021-02-19 22:17:36,378 WARN L202 SmtUtils]: Spent 21.96 s on a formula simplification. DAG size of input: 1504 DAG size of output: 1417 [2021-02-19 22:17:36,948 WARN L202 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 233 [2021-02-19 22:17:37,526 WARN L202 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 221 [2021-02-19 22:17:37,705 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 201 [2021-02-19 22:17:37,984 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 204 [2021-02-19 22:17:38,244 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 199 [2021-02-19 22:17:38,763 WARN L202 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 354 [2021-02-19 22:17:39,745 WARN L202 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 412 [2021-02-19 22:17:41,968 WARN L202 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 527 DAG size of output: 467 [2021-02-19 22:17:46,742 WARN L202 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 584 DAG size of output: 523 [2021-02-19 22:17:57,113 WARN L202 SmtUtils]: Spent 10.37 s on a formula simplification. DAG size of input: 598 DAG size of output: 537 [2021-02-19 22:18:55,651 WARN L202 SmtUtils]: Spent 58.53 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1747 [2021-02-19 22:21:09,894 WARN L202 SmtUtils]: Spent 2.24 m on a formula simplification. DAG size of input: 2223 DAG size of output: 2078 [2021-02-19 22:21:10,108 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 212 [2021-02-19 22:21:10,391 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 184 [2021-02-19 22:21:10,708 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 215 [2021-02-19 22:21:11,369 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 346 [2021-02-19 22:21:11,876 WARN L202 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 394 [2021-02-19 22:21:12,958 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-02-19 22:21:15,360 WARN L202 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 549 DAG size of output: 505 [2021-02-19 22:21:20,387 WARN L202 SmtUtils]: Spent 5.02 s on a formula simplification. DAG size of input: 571 DAG size of output: 526 [2021-02-19 22:21:31,192 WARN L202 SmtUtils]: Spent 10.80 s on a formula simplification. DAG size of input: 661 DAG size of output: 602 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown