/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-New_States.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 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 18:31:59,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 18:31:59,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 18:31:59,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 18:31:59,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 18:31:59,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 18:31:59,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 18:31:59,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 18:31:59,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 18:31:59,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 18:31:59,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 18:31:59,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 18:31:59,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 18:31:59,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 18:31:59,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 18:31:59,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 18:31:59,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 18:31:59,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 18:31:59,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 18:31:59,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 18:31:59,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 18:31:59,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 18:31:59,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 18:31:59,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 18:31:59,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 18:31:59,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 18:31:59,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 18:31:59,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 18:31:59,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 18:31:59,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-03-12 18:31:59,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 18:31:59,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 18:31:59,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 18:31:59,401 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-New_States.epf [2021-03-12 18:31:59,421 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 18:31:59,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 18:31:59,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 18:31:59,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 18:31:59,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 18:31:59,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 18:31:59,423 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 18:31:59,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 18:31:59,423 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 18:31:59,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 18:31:59,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 18:31:59,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 18:31:59,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 18:31:59,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 18:31:59,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 18:31:59,424 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 18:31:59,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 18:31:59,425 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 18:31:59,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 18:31:59,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 18:31:59,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 18:31:59,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 18:31:59,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 18:31:59,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 18:31:59,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 18:31:59,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 18:31:59,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 18:31:59,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 18:31:59,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 18:31:59,426 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 18:31:59,427 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 18:31:59,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 18:31:59,427 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-03-12 18:31:59,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 18:31:59,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 18:31:59,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 18:31:59,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 18:31:59,751 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 18:31:59,753 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 18:31:59,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl [2021-03-12 18:31:59,754 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' [2021-03-12 18:31:59,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 18:31:59,800 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 18:31:59,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 18:31:59,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 18:31:59,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 18:31:59,814 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 12.03 06:31:59" (1/1) ... [2021-03-12 18:31:59,819 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 12.03 06:31:59" (1/1) ... [2021-03-12 18:31:59,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 18:31:59,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 18:31:59,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 18:31:59,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 18:31:59,834 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 12.03 06:31:59" (1/1) ... [2021-03-12 18:31:59,834 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 12.03 06:31:59" (1/1) ... [2021-03-12 18:31:59,837 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 12.03 06:31:59" (1/1) ... [2021-03-12 18:31:59,837 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 12.03 06:31:59" (1/1) ... [2021-03-12 18:31:59,840 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 12.03 06:31:59" (1/1) ... [2021-03-12 18:31:59,842 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 12.03 06:31:59" (1/1) ... [2021-03-12 18:31:59,843 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 12.03 06:31:59" (1/1) ... [2021-03-12 18:31:59,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 18:31:59,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 18:31:59,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 18:31:59,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 18:31:59,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:31:59" (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 [2021-03-12 18:31:59,913 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 18:31:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 18:31:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 18:31:59,913 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 18:31:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 18:31:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 18:31:59,914 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 18:31:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 18:31:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 18:31:59,914 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-12 18:31:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-12 18:31:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-12 18:31:59,915 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 18:32:00,166 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 18:32:00,166 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 18:32:00,168 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 06:32:00 BoogieIcfgContainer [2021-03-12 18:32:00,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 18:32:00,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 18:32:00,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 18:32:00,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 18:32:00,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 06:31:59" (1/2) ... [2021-03-12 18:32:00,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dca655 and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 06:32:00, skipping insertion in model container [2021-03-12 18:32:00,173 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 12.03 06:32:00" (2/2) ... [2021-03-12 18:32:00,174 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2021-03-12 18:32:00,178 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 18:32:00,178 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 18:32:00,184 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 18:32:00,185 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 18:32:00,266 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-12 18:32:00,290 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 [2021-03-12 18:32:00,350 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 18:32:00,350 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 18:32:00,351 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 18:32:00,351 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 18:32:00,351 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 18:32:00,351 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 18:32:00,351 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 18:32:00,351 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 18:32:00,462 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:32:00,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:32:00,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1421528455, now seen corresponding path program 1 times [2021-03-12 18:32:00,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:32:00,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867736662] [2021-03-12 18:32:00,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:32:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:00,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:32:00,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867736662] [2021-03-12 18:32:00,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 18:32:00,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 18:32:00,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889638376] [2021-03-12 18:32:00,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 18:32:00,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:32:00,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 18:32:00,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 18:32:00,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:00,624 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:32:00,626 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) [2021-03-12 18:32:00,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:00,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:00,644 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 18:32:00,644 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:32:00,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:32:00,645 INFO L82 PathProgramCache]: Analyzing trace with hash 690038743, now seen corresponding path program 1 times [2021-03-12 18:32:00,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:32:00,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416227286] [2021-03-12 18:32:00,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:32:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 18:32:00,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416227286] [2021-03-12 18:32:00,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 18:32:00,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 18:32:00,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416289312] [2021-03-12 18:32:00,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 18:32:00,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:32:00,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 18:32:00,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 18:32:00,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:00,689 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:32:00,689 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) [2021-03-12 18:32:00,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:00,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:00,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:00,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:32:00,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 18:32:00,728 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:32:00,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:32:00,729 INFO L82 PathProgramCache]: Analyzing trace with hash 2139358133, now seen corresponding path program 1 times [2021-03-12 18:32:00,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:32:00,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942823938] [2021-03-12 18:32:00,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:32:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:01,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:32:01,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942823938] [2021-03-12 18:32:01,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695674419] [2021-03-12 18:32:01,048 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 [2021-03-12 18:32:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:01,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-12 18:32:01,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:32:01,375 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-03-12 18:32:01,376 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 [2021-03-12 18:32:01,389 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-12 18:32:01,399 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:01,407 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-03-12 18:32:01,407 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 [2021-03-12 18:32:01,415 INFO L550 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-12 18:32:01,422 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:01,426 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 [2021-03-12 18:32:01,429 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-12 18:32:01,434 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:01,437 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. [2021-03-12 18:32:01,437 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:75, output treesize:3 [2021-03-12 18:32:01,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:32:01,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:32:01,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-03-12 18:32:01,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342606766] [2021-03-12 18:32:01,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 18:32:01,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:32:01,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 18:32:01,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-03-12 18:32:01,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:01,488 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:32:01,488 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) [2021-03-12 18:32:01,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:01,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:32:01,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:01,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:01,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:32:01,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:32:01,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:32:01,975 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:32:01,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:32:01,976 INFO L82 PathProgramCache]: Analyzing trace with hash 428481043, now seen corresponding path program 2 times [2021-03-12 18:32:01,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:32:01,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985948130] [2021-03-12 18:32:01,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:32:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:02,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:32:02,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985948130] [2021-03-12 18:32:02,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068934376] [2021-03-12 18:32:02,086 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 [2021-03-12 18:32:02,136 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 18:32:02,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:32:02,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 18:32:02,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:32:02,240 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:32:02,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:32:02,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-03-12 18:32:02,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017719992] [2021-03-12 18:32:02,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 18:32:02,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:32:02,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 18:32:02,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-12 18:32:02,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:02,242 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:32:02,242 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) [2021-03-12 18:32:02,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:02,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:32:02,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:32:02,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:32:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:32:02,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:32:02,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:32:02,652 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:32:02,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:32:02,652 INFO L82 PathProgramCache]: Analyzing trace with hash -59020201, now seen corresponding path program 1 times [2021-03-12 18:32:02,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:32:02,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436633978] [2021-03-12 18:32:02,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:32:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:02,761 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 18:32:02,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436633978] [2021-03-12 18:32:02,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741551554] [2021-03-12 18:32:02,762 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 [2021-03-12 18:32:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:02,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 18:32:02,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:32:02,932 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 18:32:02,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:32:02,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-03-12 18:32:02,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589254604] [2021-03-12 18:32:02,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 18:32:02,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:32:02,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 18:32:02,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-03-12 18:32:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:02,934 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:32:02,934 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) [2021-03-12 18:32:02,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:02,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:32:02,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:32:02,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:32:02,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:03,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:03,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:32:03,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:32:03,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:32:03,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:03,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:32:03,244 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:32:03,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:32:03,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1348287435, now seen corresponding path program 2 times [2021-03-12 18:32:03,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:32:03,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952185812] [2021-03-12 18:32:03,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:32:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:03,645 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:32:03,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952185812] [2021-03-12 18:32:03,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296194999] [2021-03-12 18:32:03,647 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 [2021-03-12 18:32:03,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 18:32:03,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:32:03,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 35 conjunts are in the unsatisfiable core [2021-03-12 18:32:03,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:32:04,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:04,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:04,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:32:04,131 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 [2021-03-12 18:32:04,139 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-03-12 18:32:04,148 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:04,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:04,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:04,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:32:04,154 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 [2021-03-12 18:32:04,161 INFO L550 ElimStorePlain]: Start of recursive call 3: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-03-12 18:32:04,170 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:04,190 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:04,191 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 [2021-03-12 18:32:04,229 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-12 18:32:04,273 INFO L628 ElimStorePlain]: treesize reduction 56, result has 36.4 percent of original size [2021-03-12 18:32:04,278 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. [2021-03-12 18:32:04,278 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:67, output treesize:3 [2021-03-12 18:32:04,313 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:32:04,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:32:04,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 23 [2021-03-12 18:32:04,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186004747] [2021-03-12 18:32:04,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 18:32:04,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:32:04,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 18:32:04,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2021-03-12 18:32:04,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:04,317 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:32:04,317 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) [2021-03-12 18:32:04,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:04,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:32:04,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:32:04,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:32:04,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:04,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:32:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:32:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:32:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:32:05,195 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-12 18:32:05,195 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:32:05,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:32:05,196 INFO L82 PathProgramCache]: Analyzing trace with hash 911449235, now seen corresponding path program 3 times [2021-03-12 18:32:05,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:32:05,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090143848] [2021-03-12 18:32:05,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:32:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:32:05,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090143848] [2021-03-12 18:32:05,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809533519] [2021-03-12 18:32:05,305 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 [2021-03-12 18:32:05,345 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 18:32:05,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:32:05,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 18:32:05,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:32:05,548 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:32:05,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:32:05,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-03-12 18:32:05,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475538352] [2021-03-12 18:32:05,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-12 18:32:05,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:32:05,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-12 18:32:05,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-03-12 18:32:05,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:05,556 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:32:05,556 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) [2021-03-12 18:32:05,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:05,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:32:05,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:32:05,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:32:05,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:05,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:32:05,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:06,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:06,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:32:06,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:32:06,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:32:06,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:06,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:32:06,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:32:06,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:32:06,227 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:32:06,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:32:06,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1145065769, now seen corresponding path program 4 times [2021-03-12 18:32:06,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:32:06,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032315488] [2021-03-12 18:32:06,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:32:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 18:32:06,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032315488] [2021-03-12 18:32:06,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018570756] [2021-03-12 18:32:06,342 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 [2021-03-12 18:32:06,383 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 18:32:06,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:32:06,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 18:32:06,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:32:06,536 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 18:32:06,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:32:06,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-03-12 18:32:06,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041616199] [2021-03-12 18:32:06,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-12 18:32:06,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:32:06,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-12 18:32:06,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-03-12 18:32:06,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:06,538 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:32:06,538 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) [2021-03-12 18:32:06,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:06,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:32:06,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:32:06,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:32:06,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:06,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:32:06,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:32:06,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:06,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:06,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:32:06,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:32:06,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:32:06,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:06,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:32:06,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:32:06,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:32:06,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:32:06,923 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:32:06,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:32:06,924 INFO L82 PathProgramCache]: Analyzing trace with hash 754469045, now seen corresponding path program 5 times [2021-03-12 18:32:06,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:32:06,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206404337] [2021-03-12 18:32:06,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:32:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:32:07,486 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:32:07,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206404337] [2021-03-12 18:32:07,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802465380] [2021-03-12 18:32:07,487 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 [2021-03-12 18:32:07,530 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-03-12 18:32:07,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:32:07,531 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-03-12 18:32:07,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:32:16,270 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-12 18:32:16,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:32:16,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:16,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:16,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:16,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:16,735 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 [2021-03-12 18:32:16,740 INFO L550 ElimStorePlain]: Start of recursive call 2: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-03-12 18:32:16,752 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:16,755 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:32:16,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:16,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:16,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:16,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:32:16,759 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 [2021-03-12 18:32:16,765 INFO L550 ElimStorePlain]: Start of recursive call 3: 5 dim-0 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-03-12 18:32:16,776 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:16,845 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:32:16,845 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 [2021-03-12 18:32:17,439 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 257 [2021-03-12 18:32:17,615 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 257 [2021-03-12 18:32:18,159 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 305 [2021-03-12 18:32:18,995 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 346 [2021-03-12 18:32:19,131 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 263 [2021-03-12 18:32:19,329 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 262 [2021-03-12 18:32:19,734 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 300 [2021-03-12 18:32:20,466 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 346 [2021-03-12 18:32:20,689 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 258 [2021-03-12 18:32:20,824 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 262 [2021-03-12 18:32:20,829 INFO L550 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-12 18:32:23,117 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 263 DAG size of output: 247 [2021-03-12 18:32:23,118 INFO L628 ElimStorePlain]: treesize reduction 9280, result has 67.7 percent of original size [2021-03-12 18:32:24,655 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. [2021-03-12 18:32:24,656 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:106, output treesize:3 [2021-03-12 18:32:24,685 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:32:24,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:32:24,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-03-12 18:32:24,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669194702] [2021-03-12 18:32:24,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-03-12 18:32:24,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:32:24,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-03-12 18:32:24,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=741, Unknown=4, NotChecked=0, Total=870 [2021-03-12 18:32:24,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:32:24,691 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:32:24,691 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) [2021-03-12 18:32:24,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:32:24,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:32:24,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:32:24,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:32:24,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:32:24,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:32:24,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:32:24,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:32:24,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:33:32,752 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 18:33:33,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:33:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:33:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:33:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:33:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:33:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:33:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:33:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:33:33,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 18:33:33,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-12 18:33:33,423 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:33:33,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:33:33,424 INFO L82 PathProgramCache]: Analyzing trace with hash -127394481, now seen corresponding path program 6 times [2021-03-12 18:33:33,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:33:33,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714043455] [2021-03-12 18:33:33,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:33:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:33:33,583 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:33:33,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714043455] [2021-03-12 18:33:33,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131875475] [2021-03-12 18:33:33,583 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 [2021-03-12 18:33:33,635 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-03-12 18:33:33,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 18:33:33,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-12 18:33:33,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:33:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:33:33,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 18:33:33,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-03-12 18:33:33,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941730859] [2021-03-12 18:33:33,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-12 18:33:33,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 18:33:33,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-12 18:33:33,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-03-12 18:33:33,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:33:33,948 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 18:33:33,948 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) [2021-03-12 18:33:33,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:33:33,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:33:33,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:33:33,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:33:33,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:33:33,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:33:33,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:33:33,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:33:33,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 18:33:33,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 18:33:34,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 18:33:34,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 18:33:34,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 18:33:34,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 18:33:34,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 18:33:34,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:33:34,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 18:33:34,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 18:33:34,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 18:33:34,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 18:33:34,391 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable519,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 18:33:34,391 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 18:33:34,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 18:33:34,392 INFO L82 PathProgramCache]: Analyzing trace with hash 726661421, now seen corresponding path program 7 times [2021-03-12 18:33:34,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 18:33:34,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40681432] [2021-03-12 18:33:34,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 18:33:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:33:35,261 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 1 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 18:33:35,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40681432] [2021-03-12 18:33:35,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157408709] [2021-03-12 18:33:35,261 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 [2021-03-12 18:33:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 18:33:35,322 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 65 conjunts are in the unsatisfiable core [2021-03-12 18:33:35,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 18:33:36,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:36,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:33:36,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:36,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:36,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:36,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:36,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:36,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:33:36,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:36,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:36,224 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:33:36,225 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 [2021-03-12 18:33:36,229 INFO L550 ElimStorePlain]: Start of recursive call 2: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-03-12 18:33:36,241 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:33:36,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:36,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:33:36,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:36,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:36,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:36,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:36,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:36,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:33:36,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:36,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 18:33:36,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 18:33:36,253 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 [2021-03-12 18:33:36,258 INFO L550 ElimStorePlain]: Start of recursive call 3: 7 dim-0 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-03-12 18:33:36,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:33:36,431 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-03-12 18:33:36,432 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 18:33:36,432 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 [2021-03-12 18:33:36,819 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2021-03-12 18:33:37,121 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 223 [2021-03-12 18:33:37,385 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 223 [2021-03-12 18:33:37,673 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 245 [2021-03-12 18:33:38,360 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 248 [2021-03-12 18:33:39,034 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 257 [2021-03-12 18:33:39,728 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 247 [2021-03-12 18:33:39,945 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 218 [2021-03-12 18:33:40,513 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 300 [2021-03-12 18:33:40,687 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 350 [2021-03-12 18:33:41,171 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 404 [2021-03-12 18:33:42,113 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 458 [2021-03-12 18:33:44,216 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 615 DAG size of output: 533 [2021-03-12 18:33:48,834 WARN L205 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 701 DAG size of output: 614 [2021-03-12 18:33:58,571 WARN L205 SmtUtils]: Spent 9.73 s on a formula simplification. DAG size of input: 767 DAG size of output: 677 [2021-03-12 18:34:08,173 WARN L205 SmtUtils]: Spent 9.60 s on a formula simplification. DAG size of input: 767 DAG size of output: 677 [2021-03-12 18:34:17,910 WARN L205 SmtUtils]: Spent 9.73 s on a formula simplification. DAG size of input: 784 DAG size of output: 694 [2021-03-12 18:34:26,627 WARN L205 SmtUtils]: Spent 8.71 s on a formula simplification. DAG size of input: 674 DAG size of output: 673 [2021-03-12 18:34:30,650 WARN L205 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2021-03-12 18:34:31,177 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 234 [2021-03-12 18:34:31,720 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 222 [2021-03-12 18:34:32,260 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 220 [2021-03-12 18:34:32,774 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 219 [2021-03-12 18:34:33,734 WARN L205 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 414 [2021-03-12 18:34:35,740 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 522 DAG size of output: 479 [2021-03-12 18:34:40,141 WARN L205 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 581 DAG size of output: 537 [2021-03-12 18:34:49,703 WARN L205 SmtUtils]: Spent 9.56 s on a formula simplification. DAG size of input: 592 DAG size of output: 548 [2021-03-12 18:34:51,504 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 534 DAG size of output: 534 [2021-03-12 18:34:52,261 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 463 [2021-03-12 18:34:53,359 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 418 DAG size of output: 454 [2021-03-12 18:34:54,457 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 413 DAG size of output: 444 [2021-03-12 18:34:54,811 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 405 [2021-03-12 18:34:55,100 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 296 [2021-03-12 18:34:55,309 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2021-03-12 18:34:55,478 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 351 [2021-03-12 18:34:56,116 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 417 [2021-03-12 18:34:56,589 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 584 [2021-03-12 18:34:57,372 WARN L205 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 691 [2021-03-12 18:34:59,252 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 936 DAG size of output: 878 [2021-03-12 18:35:03,655 WARN L205 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 1134 DAG size of output: 1067 [2021-03-12 18:35:13,368 WARN L205 SmtUtils]: Spent 9.71 s on a formula simplification. DAG size of input: 1292 DAG size of output: 1222 [2021-03-12 18:35:13,797 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 264 [2021-03-12 18:35:14,093 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 313 [2021-03-12 18:35:14,630 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 367 [2021-03-12 18:35:15,833 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 415 DAG size of output: 376 [2021-03-12 18:35:38,060 WARN L205 SmtUtils]: Spent 22.22 s on a formula simplification. DAG size of input: 1504 DAG size of output: 1417 [2021-03-12 18:35:38,644 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 233 [2021-03-12 18:35:39,219 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 221 [2021-03-12 18:35:39,395 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 201 [2021-03-12 18:35:39,660 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 204 [2021-03-12 18:35:39,947 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 199 [2021-03-12 18:35:40,510 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 354 [2021-03-12 18:35:41,510 WARN L205 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 412 [2021-03-12 18:35:43,774 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 527 DAG size of output: 467 [2021-03-12 18:35:48,607 WARN L205 SmtUtils]: Spent 4.83 s on a formula simplification. DAG size of input: 584 DAG size of output: 523 [2021-03-12 18:35:58,987 WARN L205 SmtUtils]: Spent 10.38 s on a formula simplification. DAG size of input: 598 DAG size of output: 537 [2021-03-12 18:36:57,801 WARN L205 SmtUtils]: Spent 58.81 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1747 [2021-03-12 18:39:12,568 WARN L205 SmtUtils]: Spent 2.25 m on a formula simplification. DAG size of input: 2223 DAG size of output: 2078 [2021-03-12 18:39:12,791 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 212 [2021-03-12 18:39:13,109 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 184 [2021-03-12 18:39:13,414 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 215 [2021-03-12 18:39:14,091 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 346 [2021-03-12 18:39:14,605 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 394 [2021-03-12 18:39:15,703 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-03-12 18:39:18,099 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 549 DAG size of output: 505 [2021-03-12 18:39:23,037 WARN L205 SmtUtils]: Spent 4.93 s on a formula simplification. DAG size of input: 571 DAG size of output: 526 [2021-03-12 18:39:33,783 WARN L205 SmtUtils]: Spent 10.74 s on a formula simplification. DAG size of input: 661 DAG size of output: 602 [2021-03-12 18:44:29,403 WARN L205 SmtUtils]: Spent 4.93 m on a formula simplification. DAG size of input: 2580 DAG size of output: 2421 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown