/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dot-product-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 10:10:06,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 10:10:06,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 10:10:06,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 10:10:06,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 10:10:06,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 10:10:06,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 10:10:06,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 10:10:06,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 10:10:06,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 10:10:06,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 10:10:06,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 10:10:06,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 10:10:06,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 10:10:06,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 10:10:06,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 10:10:06,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 10:10:06,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 10:10:06,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 10:10:06,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 10:10:06,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 10:10:06,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 10:10:06,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 10:10:06,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 10:10:06,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 10:10:06,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 10:10:06,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 10:10:06,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 10:10:06,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 10:10:06,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 10:10:06,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 10:10:06,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 10:10:06,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 10:10:06,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 10:10:06,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 10:10:06,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 10:10:06,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 10:10:06,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 10:10:06,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 10:10:06,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 10:10:06,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 10:10:06,503 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf [2021-03-12 10:10:06,530 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 10:10:06,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 10:10:06,531 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 10:10:06,531 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 10:10:06,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 10:10:06,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 10:10:06,534 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 10:10:06,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 10:10:06,534 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 10:10:06,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 10:10:06,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 10:10:06,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 10:10:06,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 10:10:06,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 10:10:06,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 10:10:06,535 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 10:10:06,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 10:10:06,536 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 10:10:06,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 10:10:06,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 10:10:06,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 10:10:06,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 10:10:06,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 10:10:06,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 10:10:06,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 10:10:06,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 10:10:06,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 10:10:06,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 10:10:06,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 10:10:06,537 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 10:10:06,537 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 10:10:06,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 10:10:06,537 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 10:10:06,537 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 10:10:06,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 10:10:06,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 10:10:06,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 10:10:06,806 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 10:10:06,807 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 10:10:06,807 INFO L432 ainManager$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 10:10:06,808 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 10:10:06,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 10:10:06,841 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 10:10:06,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 10:10:06,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 10:10:06,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 10:10:06,850 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 10:10:06" (1/1) ... [2021-03-12 10:10:06,856 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 10:10:06" (1/1) ... [2021-03-12 10:10:06,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 10:10:06,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 10:10:06,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 10:10:06,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 10:10:06,868 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 10:10:06" (1/1) ... [2021-03-12 10:10:06,868 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 10:10:06" (1/1) ... [2021-03-12 10:10:06,870 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 10:10:06" (1/1) ... [2021-03-12 10:10:06,870 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 10:10:06" (1/1) ... [2021-03-12 10:10:06,873 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 10:10:06" (1/1) ... [2021-03-12 10:10:06,876 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 10:10:06" (1/1) ... [2021-03-12 10:10:06,876 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 10:10:06" (1/1) ... [2021-03-12 10:10:06,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 10:10:06,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 10:10:06,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 10:10:06,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 10:10:06,882 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 10:10:06" (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 10:10:06,936 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 10:10:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 10:10:06,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 10:10:06,936 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 10:10:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 10:10:06,936 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 10:10:06,936 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 10:10:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 10:10:06,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 10:10:06,937 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-12 10:10:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-12 10:10:06,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-12 10:10:06,937 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 10:10:07,088 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 10:10:07,088 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 10:10:07,089 INFO L202 PluginConnector]: Adding new model dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 10:10:07 BoogieIcfgContainer [2021-03-12 10:10:07,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 10:10:07,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 10:10:07,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 10:10:07,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 10:10:07,092 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 10:10:06" (1/2) ... [2021-03-12 10:10:07,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@404b4463 and model type dot-product-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 10:10:07, skipping insertion in model container [2021-03-12 10:10:07,093 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 10:10:07" (2/2) ... [2021-03-12 10:10:07,094 INFO L111 eAbstractionObserver]: Analyzing ICFG dot-product-array.wvr.bpl [2021-03-12 10:10:07,097 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 10:10:07,097 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 10:10:07,099 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 10:10:07,100 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 10:10:07,145 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-12 10:10:07,156 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 10:10:07,202 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 10:10:07,203 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 10:10:07,203 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 10:10:07,203 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 10:10:07,203 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 10:10:07,203 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 10:10:07,203 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 10:10:07,203 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 10:10:07,272 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:10:07,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:10:07,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1421528455, now seen corresponding path program 1 times [2021-03-12 10:10:07,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:10:07,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984913868] [2021-03-12 10:10:07,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:10:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:10:07,373 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 10:10:07,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984913868] [2021-03-12 10:10:07,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 10:10:07,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 10:10:07,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838637558] [2021-03-12 10:10:07,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 10:10:07,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:10:07,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 10:10:07,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 10:10:07,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:07,387 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:10:07,389 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 10:10:07,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:07,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:07,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 10:10:07,405 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:10:07,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:10:07,406 INFO L82 PathProgramCache]: Analyzing trace with hash 690038743, now seen corresponding path program 1 times [2021-03-12 10:10:07,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:10:07,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739505263] [2021-03-12 10:10:07,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:10:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:10:07,443 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 10:10:07,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739505263] [2021-03-12 10:10:07,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 10:10:07,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 10:10:07,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950733142] [2021-03-12 10:10:07,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 10:10:07,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:10:07,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 10:10:07,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 10:10:07,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:07,445 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:10:07,445 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 10:10:07,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:07,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:07,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:07,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 10:10:07,495 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:10:07,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:10:07,495 INFO L82 PathProgramCache]: Analyzing trace with hash 2139358133, now seen corresponding path program 1 times [2021-03-12 10:10:07,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:10:07,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021924056] [2021-03-12 10:10:07,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:10:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:10:07,760 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 10:10:07,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021924056] [2021-03-12 10:10:07,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935357980] [2021-03-12 10:10:07,761 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 10:10:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:10:07,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-12 10:10:07,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:10:08,087 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-03-12 10:10:08,088 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 10:10:08,100 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 10:10:08,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:10:08,113 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-03-12 10:10:08,113 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 10:10:08,121 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 10:10:08,126 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:10:08,128 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 10:10:08,130 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-12 10:10:08,134 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:10:08,136 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 10:10:08,136 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:75, output treesize:3 [2021-03-12 10:10:08,173 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 10:10:08,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:10:08,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-03-12 10:10:08,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427416212] [2021-03-12 10:10:08,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-12 10:10:08,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:10:08,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-12 10:10:08,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-03-12 10:10:08,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:08,175 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:10:08,176 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 10:10:08,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:08,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:08,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:08,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:08,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:08,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:08,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:10:08,585 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:10:08,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:10:08,586 INFO L82 PathProgramCache]: Analyzing trace with hash 428481043, now seen corresponding path program 2 times [2021-03-12 10:10:08,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:10:08,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35220010] [2021-03-12 10:10:08,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:10:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:10:08,641 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 10:10:08,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35220010] [2021-03-12 10:10:08,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816502612] [2021-03-12 10:10:08,641 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 10:10:08,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 10:10:08,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:10:08,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 10:10:08,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:10:08,788 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 10:10:08,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:10:08,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-03-12 10:10:08,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127238285] [2021-03-12 10:10:08,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-12 10:10:08,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:10:08,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-12 10:10:08,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-12 10:10:08,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:08,789 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:10:08,790 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 10:10:08,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:08,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:08,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:08,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:08,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:08,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:08,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:08,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:10:09,139 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:10:09,139 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:10:09,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:10:09,140 INFO L82 PathProgramCache]: Analyzing trace with hash -59020201, now seen corresponding path program 1 times [2021-03-12 10:10:09,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:10:09,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639730965] [2021-03-12 10:10:09,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:10:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:10:09,198 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 10:10:09,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639730965] [2021-03-12 10:10:09,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216041294] [2021-03-12 10:10:09,199 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 10:10:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:10:09,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjunts are in the unsatisfiable core [2021-03-12 10:10:09,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:10:09,315 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 10:10:09,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:10:09,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-03-12 10:10:09,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880107517] [2021-03-12 10:10:09,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 10:10:09,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:10:09,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 10:10:09,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-03-12 10:10:09,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:09,317 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:10:09,317 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 10:10:09,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:09,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:09,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:09,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:10:09,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:10:09,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:10:09,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:10:09,623 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:10:09,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:10:09,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1348287435, now seen corresponding path program 2 times [2021-03-12 10:10:09,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:10:09,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471914645] [2021-03-12 10:10:09,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:10:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:10:09,908 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 10:10:09,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471914645] [2021-03-12 10:10:09,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174225230] [2021-03-12 10:10:09,908 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 10:10:09,939 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 10:10:09,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:10:09,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 35 conjunts are in the unsatisfiable core [2021-03-12 10:10:09,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:10:10,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:10:10,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:10:10,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:10:10,301 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 10:10:10,306 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 10:10:10,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:10:10,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:10:10,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:10:10,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:10:10,317 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 10:10:10,322 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 10:10:10,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:10:10,342 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:10:10,343 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 10:10:10,378 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-03-12 10:10:10,410 INFO L628 ElimStorePlain]: treesize reduction 56, result has 36.4 percent of original size [2021-03-12 10:10:10,417 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 10:10:10,418 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:67, output treesize:3 [2021-03-12 10:10:10,442 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 10:10:10,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:10:10,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 23 [2021-03-12 10:10:10,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438687918] [2021-03-12 10:10:10,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-03-12 10:10:10,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:10:10,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-03-12 10:10:10,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2021-03-12 10:10:10,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:10,444 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:10:10,444 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 10:10:10,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:10,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:10,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:10,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:10:10,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:10:10,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:10,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:10,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:10,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:10,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:10:10,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:10:10,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:10:11,194 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-12 10:10:11,195 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:10:11,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:10:11,195 INFO L82 PathProgramCache]: Analyzing trace with hash 911449235, now seen corresponding path program 3 times [2021-03-12 10:10:11,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:10:11,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016032250] [2021-03-12 10:10:11,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:10:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:10:11,282 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 10:10:11,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016032250] [2021-03-12 10:10:11,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999911372] [2021-03-12 10:10:11,283 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 10:10:11,309 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-03-12 10:10:11,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:10:11,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 10:10:11,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:10:11,480 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 10:10:11,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:10:11,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-03-12 10:10:11,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561093171] [2021-03-12 10:10:11,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-03-12 10:10:11,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:10:11,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-03-12 10:10:11,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-03-12 10:10:11,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:11,482 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:10:11,482 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 10:10:11,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:11,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:11,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:11,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:10:11,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:10:11,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:10:11,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:11,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:11,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:11,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:11,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:10:11,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:10:11,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:10:11,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:10:12,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:10:12,016 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:10:12,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:10:12,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1145065769, now seen corresponding path program 4 times [2021-03-12 10:10:12,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:10:12,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600857631] [2021-03-12 10:10:12,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:10:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:10:12,088 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 10:10:12,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600857631] [2021-03-12 10:10:12,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431625461] [2021-03-12 10:10:12,089 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 10:10:12,111 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 10:10:12,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:10:12,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 10:10:12,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:10:12,223 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 10:10:12,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:10:12,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-03-12 10:10:12,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891707725] [2021-03-12 10:10:12,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-03-12 10:10:12,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:10:12,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-03-12 10:10:12,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-03-12 10:10:12,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:12,224 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:10:12,225 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 10:10:12,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:12,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:12,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:12,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:10:12,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:10:12,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:10:12,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:10:12,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:10:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:10:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:10:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:10:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:10:12,567 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:10:12,567 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:10:12,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:10:12,568 INFO L82 PathProgramCache]: Analyzing trace with hash 754469045, now seen corresponding path program 5 times [2021-03-12 10:10:12,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:10:12,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254257345] [2021-03-12 10:10:12,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:10:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:10:12,989 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 10:10:12,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254257345] [2021-03-12 10:10:12,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592277325] [2021-03-12 10:10:12,990 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 10:10:13,028 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-03-12 10:10:13,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:10:13,029 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-03-12 10:10:13,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:10:21,967 WARN L205 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-03-12 10:10:22,435 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-12 10:10:22,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:10:22,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:10:22,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:10:22,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:10:22,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:10:22,544 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 10:10:22,547 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 10:10:22,556 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:10:22,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:10:22,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:10:22,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:10:22,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:10:22,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:10:22,563 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 10:10:22,566 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 10:10:22,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:10:22,637 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:10:22,637 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 10:10:23,067 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 257 [2021-03-12 10:10:23,179 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 257 [2021-03-12 10:10:23,528 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 305 [2021-03-12 10:10:24,123 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 346 [2021-03-12 10:10:24,236 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 263 [2021-03-12 10:10:24,810 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 300 [2021-03-12 10:10:25,314 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 346 [2021-03-12 10:10:25,579 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 10:10:27,633 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 263 DAG size of output: 247 [2021-03-12 10:10:27,633 INFO L628 ElimStorePlain]: treesize reduction 9280, result has 67.7 percent of original size [2021-03-12 10:10:28,726 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 10:10:28,726 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:106, output treesize:3 [2021-03-12 10:10:28,748 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 10:10:28,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:10:28,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-03-12 10:10:28,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466761947] [2021-03-12 10:10:28,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-03-12 10:10:28,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:10:28,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-03-12 10:10:28,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=741, Unknown=4, NotChecked=0, Total=870 [2021-03-12 10:10:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:28,751 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:10:28,752 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 10:10:28,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:28,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:28,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:28,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:10:28,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:10:28,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:10:28,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:10:28,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:10:28,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:11:36,145 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 56 [2021-03-12 10:11:36,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:11:36,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:11:36,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:11:36,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:11:36,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:11:36,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:11:36,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:11:36,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:11:36,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 10:11:36,695 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-12 10:11:36,696 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:11:36,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:11:36,696 INFO L82 PathProgramCache]: Analyzing trace with hash -127394481, now seen corresponding path program 6 times [2021-03-12 10:11:36,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:11:36,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448204948] [2021-03-12 10:11:36,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:11:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:11:36,819 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:11:36,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448204948] [2021-03-12 10:11:36,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364167822] [2021-03-12 10:11:36,819 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:11:36,848 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-03-12 10:11:36,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:11:36,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjunts are in the unsatisfiable core [2021-03-12 10:11:36,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:11:37,107 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 10:11:37,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:11:37,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-03-12 10:11:37,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868225831] [2021-03-12 10:11:37,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-03-12 10:11:37,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:11:37,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-03-12 10:11:37,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-03-12 10:11:37,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:11:37,111 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:11:37,111 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 10:11:37,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:11:37,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:11:37,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:11:37,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:11:37,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:11:37,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:11:37,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:11:37,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:11:37,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-03-12 10:11:37,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:11:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:11:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:11:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:11:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:11:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 10:11:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:11:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 10:11:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-12 10:11:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-03-12 10:11:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-12 10:11:37,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable519,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:11:37,505 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:11:37,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:11:37,505 INFO L82 PathProgramCache]: Analyzing trace with hash 726661421, now seen corresponding path program 7 times [2021-03-12 10:11:37,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:11:37,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546362657] [2021-03-12 10:11:37,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:11:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:11:38,201 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 10:11:38,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546362657] [2021-03-12 10:11:38,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75358947] [2021-03-12 10:11:38,201 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 10:11:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:11:38,237 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 65 conjunts are in the unsatisfiable core [2021-03-12 10:11:38,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:11:39,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:11:39,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:11:39,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:11:39,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:11:39,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:11:39,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:11:39,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:11:39,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:11:39,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:11:39,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:11:39,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:11:39,030 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 10:11:39,033 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 10:11:39,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:11:39,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:11:39,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:11:39,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:11:39,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:11:39,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:11:39,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:11:39,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:11:39,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:11:39,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:11:39,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:11:39,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:11:39,052 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 10:11:39,055 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 10:11:39,063 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:11:39,181 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-03-12 10:11:39,181 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:11:39,181 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 10:11:39,448 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2021-03-12 10:11:39,721 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 223 [2021-03-12 10:11:39,986 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 223 [2021-03-12 10:11:40,262 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 245 [2021-03-12 10:11:40,959 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 248 [2021-03-12 10:11:41,638 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 257 [2021-03-12 10:11:42,354 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 247 [2021-03-12 10:11:42,575 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 218 [2021-03-12 10:11:43,184 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 350 [2021-03-12 10:11:43,627 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 404 [2021-03-12 10:11:44,549 WARN L205 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 458 [2021-03-12 10:11:46,563 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 615 DAG size of output: 533 [2021-03-12 10:11:51,077 WARN L205 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 701 DAG size of output: 614 [2021-03-12 10:12:00,799 WARN L205 SmtUtils]: Spent 9.72 s on a formula simplification. DAG size of input: 767 DAG size of output: 677 [2021-03-12 10:12:10,505 WARN L205 SmtUtils]: Spent 9.70 s on a formula simplification. DAG size of input: 767 DAG size of output: 677 [2021-03-12 10:12:20,437 WARN L205 SmtUtils]: Spent 9.93 s on a formula simplification. DAG size of input: 784 DAG size of output: 694 [2021-03-12 10:12:29,338 WARN L205 SmtUtils]: Spent 8.89 s on a formula simplification. DAG size of input: 674 DAG size of output: 673 [2021-03-12 10:12:33,411 WARN L205 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2021-03-12 10:12:33,963 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 234 [2021-03-12 10:12:34,519 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 222 [2021-03-12 10:12:35,064 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 220 [2021-03-12 10:12:35,601 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 219 [2021-03-12 10:12:36,559 WARN L205 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 414 [2021-03-12 10:12:38,594 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 522 DAG size of output: 479 [2021-03-12 10:12:43,141 WARN L205 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 581 DAG size of output: 537 [2021-03-12 10:12:52,976 WARN L205 SmtUtils]: Spent 9.83 s on a formula simplification. DAG size of input: 592 DAG size of output: 548 [2021-03-12 10:12:54,813 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 534 DAG size of output: 534 [2021-03-12 10:12:55,583 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 463 [2021-03-12 10:12:56,691 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 418 DAG size of output: 454 [2021-03-12 10:12:57,784 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 413 DAG size of output: 444 [2021-03-12 10:12:58,129 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 405 [2021-03-12 10:12:58,557 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2021-03-12 10:12:58,704 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 351 [2021-03-12 10:12:59,299 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 417 [2021-03-12 10:12:59,754 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 612 DAG size of output: 584 [2021-03-12 10:13:00,554 WARN L205 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 691 [2021-03-12 10:13:02,556 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 936 DAG size of output: 878 [2021-03-12 10:13:07,016 WARN L205 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 1134 DAG size of output: 1067 [2021-03-12 10:13:16,811 WARN L205 SmtUtils]: Spent 9.79 s on a formula simplification. DAG size of input: 1292 DAG size of output: 1222 [2021-03-12 10:13:17,175 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 264 [2021-03-12 10:13:17,418 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 313 [2021-03-12 10:13:17,971 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 406 DAG size of output: 367 [2021-03-12 10:13:19,171 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 415 DAG size of output: 376 [2021-03-12 10:13:41,430 WARN L205 SmtUtils]: Spent 22.26 s on a formula simplification. DAG size of input: 1504 DAG size of output: 1417 [2021-03-12 10:13:42,023 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 233 [2021-03-12 10:13:42,601 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 221 [2021-03-12 10:13:42,794 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 201 [2021-03-12 10:13:43,074 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 204 [2021-03-12 10:13:43,339 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 199 [2021-03-12 10:13:43,848 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 354 [2021-03-12 10:13:44,850 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 412 [2021-03-12 10:13:47,123 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 527 DAG size of output: 467 [2021-03-12 10:13:51,952 WARN L205 SmtUtils]: Spent 4.83 s on a formula simplification. DAG size of input: 584 DAG size of output: 523 [2021-03-12 10:14:02,465 WARN L205 SmtUtils]: Spent 10.51 s on a formula simplification. DAG size of input: 598 DAG size of output: 537 [2021-03-12 10:15:02,920 WARN L205 SmtUtils]: Spent 1.01 m on a formula simplification. DAG size of input: 1872 DAG size of output: 1747 [2021-03-12 10:17:24,106 WARN L205 SmtUtils]: Spent 2.35 m on a formula simplification. DAG size of input: 2223 DAG size of output: 2078 [2021-03-12 10:17:24,325 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 212 [2021-03-12 10:17:24,623 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 184 [2021-03-12 10:17:24,944 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 215 [2021-03-12 10:17:25,625 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 346 [2021-03-12 10:17:26,162 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 394 [2021-03-12 10:17:27,268 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-03-12 10:17:29,768 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 549 DAG size of output: 505 [2021-03-12 10:17:35,005 WARN L205 SmtUtils]: Spent 5.23 s on a formula simplification. DAG size of input: 571 DAG size of output: 526 [2021-03-12 10:17:46,190 WARN L205 SmtUtils]: Spent 11.18 s on a formula simplification. DAG size of input: 661 DAG size of output: 602 [2021-03-12 10:22:49,537 WARN L205 SmtUtils]: Spent 5.06 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