/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 05:58:56,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 05:58:56,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 05:58:56,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 05:58:56,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 05:58:56,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 05:58:56,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 05:58:56,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 05:58:56,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 05:58:56,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 05:58:56,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 05:58:56,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 05:58:56,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 05:58:56,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 05:58:56,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 05:58:56,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 05:58:56,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 05:58:56,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 05:58:56,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 05:58:56,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 05:58:56,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 05:58:56,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 05:58:56,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 05:58:56,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 05:58:56,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 05:58:56,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 05:58:56,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 05:58:56,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 05:58:56,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 05:58:56,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 05:58:56,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 05:58:56,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 05:58:56,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 05:58:56,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 05:58:56,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 05:58:56,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 05:58:56,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 05:58:56,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 05:58:56,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 05:58:56,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 05:58:56,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 05:58:56,962 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 05:58:56,995 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 05:58:56,995 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 05:58:56,996 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 05:58:56,996 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 05:58:56,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 05:58:56,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 05:58:56,999 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 05:58:56,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 05:58:56,999 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 05:58:56,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 05:58:57,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 05:58:57,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 05:58:57,000 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 05:58:57,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 05:58:57,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 05:58:57,001 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 05:58:57,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 05:58:57,001 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 05:58:57,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 05:58:57,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 05:58:57,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 05:58:57,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 05:58:57,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 05:58:57,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 05:58:57,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 05:58:57,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 05:58:57,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 05:58:57,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 05:58:57,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 05:58:57,003 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 05:58:57,003 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 05:58:57,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 05:58:57,003 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 05:58:57,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 05:58:57,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 05:58:57,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 05:58:57,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 05:58:57,318 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 05:58:57,319 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 05:58:57,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl [2021-06-06 05:58:57,320 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts-array.wvr.bpl' [2021-06-06 05:58:57,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 05:58:57,343 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 05:58:57,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 05:58:57,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 05:58:57,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 05:58:57,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:57" (1/1) ... [2021-06-06 05:58:57,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:57" (1/1) ... [2021-06-06 05:58:57,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 05:58:57,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 05:58:57,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 05:58:57,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 05:58:57,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:57" (1/1) ... [2021-06-06 05:58:57,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:57" (1/1) ... [2021-06-06 05:58:57,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:57" (1/1) ... [2021-06-06 05:58:57,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:57" (1/1) ... [2021-06-06 05:58:57,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:57" (1/1) ... [2021-06-06 05:58:57,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:57" (1/1) ... [2021-06-06 05:58:57,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:57" (1/1) ... [2021-06-06 05:58:57,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 05:58:57,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 05:58:57,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 05:58:57,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 05:58:57,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 05:58:57,483 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 05:58:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 05:58:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 05:58:57,484 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 05:58:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 05:58:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 05:58:57,484 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 05:58:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 05:58:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 05:58:57,485 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 05:58:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 05:58:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 05:58:57,485 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 05:58:57,677 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 05:58:57,677 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 05:58:57,678 INFO L202 PluginConnector]: Adding new model mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:58:57 BoogieIcfgContainer [2021-06-06 05:58:57,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 05:58:57,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 05:58:57,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 05:58:57,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 05:58:57,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:58:57" (1/2) ... [2021-06-06 05:58:57,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b9a0af and model type mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 05:58:57, skipping insertion in model container [2021-06-06 05:58:57,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:58:57" (2/2) ... [2021-06-06 05:58:57,685 INFO L111 eAbstractionObserver]: Analyzing ICFG mts-array.wvr.bpl [2021-06-06 05:58:57,689 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 05:58:57,689 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 05:58:57,689 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 05:58:57,690 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 05:58:57,757 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 05:58:57,789 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 05:58:57,827 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 05:58:57,827 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 05:58:57,827 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 05:58:57,827 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 05:58:57,828 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 05:58:57,828 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 05:58:57,828 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 05:58:57,828 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 05:58:57,861 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:58:57,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:58:57,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1558799945, now seen corresponding path program 1 times [2021-06-06 05:58:57,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:58:57,872 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077993800] [2021-06-06 05:58:57,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:58:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:58:58,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:58:58,024 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:58:58,024 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077993800] [2021-06-06 05:58:58,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077993800] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 05:58:58,025 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 05:58:58,025 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 05:58:58,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15257820] [2021-06-06 05:58:58,029 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 05:58:58,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:58:58,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 05:58:58,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-06 05:58:58,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:58:58,039 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:58:58,045 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:58:58,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:58:58,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 05:58:58,094 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 05:58:58,094 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:58:58,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:58:58,095 INFO L82 PathProgramCache]: Analyzing trace with hash 42228775, now seen corresponding path program 1 times [2021-06-06 05:58:58,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:58:58,095 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219556909] [2021-06-06 05:58:58,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:58:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:58:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:58:58,140 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:58:58,140 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219556909] [2021-06-06 05:58:58,140 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219556909] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 05:58:58,140 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 05:58:58,141 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 05:58:58,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390325976] [2021-06-06 05:58:58,142 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 05:58:58,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:58:58,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 05:58:58,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 05:58:58,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:58:58,143 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:58:58,144 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:58:58,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 05:58:58,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:58:58,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 05:58:58,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:58:58,205 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 05:58:58,205 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:58:58,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:58:58,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1930946427, now seen corresponding path program 1 times [2021-06-06 05:58:58,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:58:58,207 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398541639] [2021-06-06 05:58:58,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:58:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:58:58,729 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2021-06-06 05:58:58,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:58:58,873 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:58:58,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398541639] [2021-06-06 05:58:58,873 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398541639] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:58:58,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656165117] [2021-06-06 05:58:58,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:58:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:58:58,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-06 05:58:58,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:58:59,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:58:59,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:58:59,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-06 05:58:59,451 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:58:59,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:58:59,456 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:58:59,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-06-06 05:58:59,460 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:58:59,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:58:59,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:58:59,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-06-06 05:58:59,469 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:58:59,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 05:58:59,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 22 [2021-06-06 05:58:59,476 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:58:59,545 INFO L628 ElimStorePlain]: treesize reduction 54, result has 43.2 percent of original size [2021-06-06 05:58:59,548 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 05:58:59,549 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:153, output treesize:35 [2021-06-06 05:58:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:58:59,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656165117] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:58:59,604 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:58:59,604 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 05:58:59,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539304529] [2021-06-06 05:58:59,605 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 05:58:59,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:58:59,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 05:58:59,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-06 05:58:59,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:58:59,606 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:58:59,606 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:58:59,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 05:58:59,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:58:59,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:58:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 05:58:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:58:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:59:00,041 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:59:00,042 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:59:00,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:59:00,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1580789603, now seen corresponding path program 2 times [2021-06-06 05:59:00,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:59:00,043 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289691777] [2021-06-06 05:59:00,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:59:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:59:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:59:00,124 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:59:00,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289691777] [2021-06-06 05:59:00,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289691777] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:59:00,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453913486] [2021-06-06 05:59:00,129 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:59:00,168 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:59:00,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:59:00,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 05:59:00,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:59:00,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:59:00,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453913486] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:59:00,289 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:59:00,289 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 05:59:00,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413615954] [2021-06-06 05:59:00,290 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 05:59:00,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:59:00,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 05:59:00,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 05:59:00,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:59:00,291 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:59:00,291 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:59:00,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 05:59:00,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:59:00,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:59:00,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:59:00,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 05:59:00,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:59:00,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:59:00,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:59:00,708 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 05:59:00,709 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:59:00,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:59:00,710 INFO L82 PathProgramCache]: Analyzing trace with hash -339909977, now seen corresponding path program 1 times [2021-06-06 05:59:00,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:59:00,710 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424128813] [2021-06-06 05:59:00,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:59:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:59:00,779 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:59:00,779 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:59:00,779 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424128813] [2021-06-06 05:59:00,779 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424128813] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:59:00,780 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111936462] [2021-06-06 05:59:00,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:59:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:59:00,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 05:59:00,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:59:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:59:00,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111936462] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:59:00,901 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:59:00,901 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-06 05:59:00,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532812747] [2021-06-06 05:59:00,901 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 05:59:00,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:59:00,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 05:59:00,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-06 05:59:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:59:00,902 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:59:00,903 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:59:00,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 05:59:00,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:59:00,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:59:00,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:59:00,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:59:00,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 05:59:00,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 05:59:00,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:59:00,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:59:00,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 05:59:01,192 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:59:01,192 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:59:01,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:59:01,193 INFO L82 PathProgramCache]: Analyzing trace with hash -700638459, now seen corresponding path program 2 times [2021-06-06 05:59:01,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:59:01,193 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820755558] [2021-06-06 05:59:01,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:59:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:59:01,921 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-06-06 05:59:02,232 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 79 [2021-06-06 05:59:02,482 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2021-06-06 05:59:02,678 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 51 [2021-06-06 05:59:02,860 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2021-06-06 05:59:03,033 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:59:03,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:59:03,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820755558] [2021-06-06 05:59:03,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820755558] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:59:03,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631807716] [2021-06-06 05:59:03,034 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:59:03,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:59:03,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:59:03,073 WARN L261 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-06 05:59:03,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:59:03,995 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-06 05:59:10,909 WARN L205 SmtUtils]: Spent 6.74 s on a formula simplification that was a NOOP. DAG size: 81 [2021-06-06 05:59:12,367 INFO L446 ElimStorePlain]: Different costs {7=[v_prenex_61, v_prenex_65, v_prenex_73, v_prenex_55], 10=[v_prenex_50, A, v_prenex_71, v_prenex_53, v_prenex_75, v_prenex_63, v_prenex_69, v_prenex_46, v_prenex_57, v_prenex_67, v_prenex_59, v_prenex_48]} [2021-06-06 05:59:12,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:12,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:12,468 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 05:59:12,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 43 [2021-06-06 05:59:12,474 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:12,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:12,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:12,557 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-06 05:59:12,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 44 [2021-06-06 05:59:12,560 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:14,876 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 428 [2021-06-06 05:59:14,877 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:14,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:14,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:14,970 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-06 05:59:14,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 57 [2021-06-06 05:59:14,988 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:15,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:15,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:15,083 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-06 05:59:15,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 52 [2021-06-06 05:59:15,089 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:19,361 WARN L205 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 424 DAG size of output: 422 [2021-06-06 05:59:19,364 INFO L628 ElimStorePlain]: treesize reduction 10, result has 99.7 percent of original size [2021-06-06 05:59:19,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:19,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:19,477 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:59:19,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 76 treesize of output 84 [2021-06-06 05:59:19,556 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:19,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:19,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:19,689 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-06 05:59:19,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 71 treesize of output 77 [2021-06-06 05:59:19,730 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:24,264 WARN L205 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 494 DAG size of output: 425 [2021-06-06 05:59:24,265 INFO L628 ElimStorePlain]: treesize reduction 288, result has 92.3 percent of original size [2021-06-06 05:59:24,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:24,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:24,397 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-06 05:59:24,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 59 [2021-06-06 05:59:24,409 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:24,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:24,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:24,482 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-06 05:59:24,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 58 treesize of output 60 [2021-06-06 05:59:24,490 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:28,583 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 417 DAG size of output: 412 [2021-06-06 05:59:28,584 INFO L628 ElimStorePlain]: treesize reduction 17, result has 99.5 percent of original size [2021-06-06 05:59:28,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:28,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:28,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:28,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:28,670 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-06-06 05:59:28,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 106 treesize of output 76 [2021-06-06 05:59:28,677 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:28,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:28,740 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-06 05:59:28,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 106 treesize of output 78 [2021-06-06 05:59:28,756 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:32,695 WARN L205 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 395 DAG size of output: 394 [2021-06-06 05:59:32,697 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.8 percent of original size [2021-06-06 05:59:32,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:32,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:32,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:32,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:32,804 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-06-06 05:59:32,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 100 treesize of output 78 [2021-06-06 05:59:32,820 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:32,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:32,900 INFO L354 Elim1Store]: treesize reduction 50, result has 36.7 percent of original size [2021-06-06 05:59:32,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 100 treesize of output 88 [2021-06-06 05:59:32,909 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:36,594 WARN L205 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 377 DAG size of output: 375 [2021-06-06 05:59:36,595 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.5 percent of original size [2021-06-06 05:59:36,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:36,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:36,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:36,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:36,688 INFO L354 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2021-06-06 05:59:36,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 72 [2021-06-06 05:59:36,691 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:36,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:36,773 INFO L354 Elim1Store]: treesize reduction 46, result has 41.8 percent of original size [2021-06-06 05:59:36,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 84 treesize of output 90 [2021-06-06 05:59:36,787 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:40,289 WARN L205 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 362 DAG size of output: 360 [2021-06-06 05:59:40,291 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.5 percent of original size [2021-06-06 05:59:40,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:40,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:40,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:40,398 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-06 05:59:40,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 85 [2021-06-06 05:59:40,418 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:40,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:40,488 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-06 05:59:40,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 86 treesize of output 75 [2021-06-06 05:59:40,496 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:43,832 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 343 DAG size of output: 341 [2021-06-06 05:59:43,833 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.4 percent of original size [2021-06-06 05:59:43,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:43,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:43,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:43,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:43,940 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-06 05:59:43,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 90 [2021-06-06 05:59:43,954 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:43,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:44,029 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-06 05:59:44,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 103 treesize of output 80 [2021-06-06 05:59:44,035 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:47,387 WARN L205 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 334 DAG size of output: 326 [2021-06-06 05:59:47,388 INFO L628 ElimStorePlain]: treesize reduction 42, result has 98.4 percent of original size [2021-06-06 05:59:47,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:47,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:47,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:47,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:47,496 INFO L354 Elim1Store]: treesize reduction 14, result has 74.5 percent of original size [2021-06-06 05:59:47,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 123 treesize of output 105 [2021-06-06 05:59:47,534 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:47,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:47,620 INFO L354 Elim1Store]: treesize reduction 48, result has 39.2 percent of original size [2021-06-06 05:59:47,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 123 treesize of output 95 [2021-06-06 05:59:47,636 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:52,368 WARN L205 SmtUtils]: Spent 4.73 s on a formula simplification. DAG size of input: 342 DAG size of output: 314 [2021-06-06 05:59:52,369 INFO L628 ElimStorePlain]: treesize reduction 164, result has 93.7 percent of original size [2021-06-06 05:59:52,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:52,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:52,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:52,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:52,462 INFO L354 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2021-06-06 05:59:52,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 86 [2021-06-06 05:59:52,472 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:52,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:52,547 INFO L354 Elim1Store]: treesize reduction 52, result has 34.2 percent of original size [2021-06-06 05:59:52,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 78 treesize of output 82 [2021-06-06 05:59:52,556 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:55,544 WARN L205 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 297 DAG size of output: 295 [2021-06-06 05:59:55,545 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-06 05:59:55,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:55,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:55,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:55,616 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-06 05:59:55,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 83 [2021-06-06 05:59:55,628 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:55,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:55,699 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-06 05:59:55,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 77 treesize of output 73 [2021-06-06 05:59:55,704 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:58,539 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 279 DAG size of output: 277 [2021-06-06 05:59:58,540 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-06 05:59:58,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:58,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:58,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:58,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:58,657 INFO L354 Elim1Store]: treesize reduction 10, result has 81.8 percent of original size [2021-06-06 05:59:58,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 97 [2021-06-06 05:59:58,687 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 05:59:58,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:59:58,753 INFO L354 Elim1Store]: treesize reduction 66, result has 16.5 percent of original size [2021-06-06 05:59:58,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 66 treesize of output 65 [2021-06-06 05:59:58,758 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:01,506 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 261 DAG size of output: 258 [2021-06-06 06:00:01,507 INFO L628 ElimStorePlain]: treesize reduction 21, result has 99.0 percent of original size [2021-06-06 06:00:01,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:01,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:01,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:01,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:01,584 INFO L354 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2021-06-06 06:00:01,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 90 [2021-06-06 06:00:01,594 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:01,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:01,641 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-06-06 06:00:01,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 98 treesize of output 74 [2021-06-06 06:00:01,644 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:04,290 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2021-06-06 06:00:04,291 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-06-06 06:00:04,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:04,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:04,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:04,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:04,366 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-06-06 06:00:04,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 76 [2021-06-06 06:00:04,372 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:04,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:04,414 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-06-06 06:00:04,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 73 treesize of output 70 [2021-06-06 06:00:04,418 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:06,823 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 223 DAG size of output: 222 [2021-06-06 06:00:06,824 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-06-06 06:00:06,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:06,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:06,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:06,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:06,885 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-06-06 06:00:06,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 138 treesize of output 86 [2021-06-06 06:00:06,894 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:06,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:06,940 INFO L354 Elim1Store]: treesize reduction 62, result has 21.5 percent of original size [2021-06-06 06:00:06,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 138 treesize of output 82 [2021-06-06 06:00:06,942 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:09,179 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 202 DAG size of output: 201 [2021-06-06 06:00:09,180 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.5 percent of original size [2021-06-06 06:00:09,370 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-06 06:00:09,370 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:3613, output treesize:1742 [2021-06-06 06:00:09,861 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2021-06-06 06:00:09,985 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:00:09,985 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631807716] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:00:09,985 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:00:09,985 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-06 06:00:09,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157515941] [2021-06-06 06:00:09,986 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-06 06:00:09,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:00:09,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-06 06:00:09,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2021-06-06 06:00:09,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:09,987 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:00:09,987 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:00:09,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:00:09,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:00:09,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:00:09,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:00:09,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:00:09,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:10,290 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 60 [2021-06-06 06:00:10,646 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 73 [2021-06-06 06:00:11,066 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2021-06-06 06:00:11,307 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-06-06 06:00:11,916 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2021-06-06 06:00:12,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:00:12,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:00:12,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:00:12,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:00:12,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:00:12,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:00:12,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 06:00:12,293 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:00:12,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:00:12,293 INFO L82 PathProgramCache]: Analyzing trace with hash 531641315, now seen corresponding path program 3 times [2021-06-06 06:00:12,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:00:12,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096837606] [2021-06-06 06:00:12,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:00:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:00:12,395 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:00:12,395 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:00:12,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096837606] [2021-06-06 06:00:12,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096837606] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:00:12,396 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184108671] [2021-06-06 06:00:12,396 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:00:12,440 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-06 06:00:12,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:00:12,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 06:00:12,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:00:12,648 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:00:12,648 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184108671] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:00:12,648 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:00:12,648 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-06 06:00:12,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316606465] [2021-06-06 06:00:12,650 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-06 06:00:12,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:00:12,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-06 06:00:12,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-06 06:00:12,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:12,651 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:00:12,651 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:00:12,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:00:12,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:00:12,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:00:12,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:00:12,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:00:12,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:00:12,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:13,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:00:13,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:00:13,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:00:13,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:00:13,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:00:13,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:00:13,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:00:13,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:00:13,361 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:00:13,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:00:13,361 INFO L82 PathProgramCache]: Analyzing trace with hash -553752793, now seen corresponding path program 4 times [2021-06-06 06:00:13,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:00:13,361 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202794073] [2021-06-06 06:00:13,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:00:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:00:13,453 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 06:00:13,453 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:00:13,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202794073] [2021-06-06 06:00:13,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202794073] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:00:13,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050658704] [2021-06-06 06:00:13,454 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:00:13,499 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 06:00:13,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:00:13,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 06:00:13,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:00:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 06:00:13,628 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050658704] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:00:13,628 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:00:13,628 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-06 06:00:13,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223230686] [2021-06-06 06:00:13,628 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-06 06:00:13,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:00:13,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-06 06:00:13,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-06 06:00:13,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:13,629 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:00:13,629 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:00:13,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:00:13,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:00:13,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:00:13,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:00:13,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:00:13,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:00:13,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:00:13,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:00:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:00:13,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:00:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:00:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:00:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:00:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:00:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:00:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:00:13,996 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:00:13,997 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:00:13,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:00:13,997 INFO L82 PathProgramCache]: Analyzing trace with hash 2070339973, now seen corresponding path program 5 times [2021-06-06 06:00:13,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:00:13,997 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399008097] [2021-06-06 06:00:13,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:00:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:00:14,904 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 40 [2021-06-06 06:00:15,053 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 160 [2021-06-06 06:00:15,501 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 76 [2021-06-06 06:00:15,802 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2021-06-06 06:00:16,631 WARN L205 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 112 [2021-06-06 06:00:16,938 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 243 [2021-06-06 06:00:17,952 WARN L205 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 134 [2021-06-06 06:00:18,233 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 237 [2021-06-06 06:00:19,245 WARN L205 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 128 [2021-06-06 06:00:19,609 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 207 [2021-06-06 06:00:20,134 WARN L205 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 87 [2021-06-06 06:00:20,405 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-06-06 06:00:20,565 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2021-06-06 06:00:20,716 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2021-06-06 06:00:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:00:20,918 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 06:00:20,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399008097] [2021-06-06 06:00:20,918 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399008097] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:00:20,918 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790650550] [2021-06-06 06:00:20,918 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 06:00:20,975 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 06:00:20,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 06:00:20,976 WARN L261 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 54 conjunts are in the unsatisfiable core [2021-06-06 06:00:20,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 06:00:23,386 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 134 [2021-06-06 06:00:25,282 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 342 [2021-06-06 06:00:27,792 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 343 [2021-06-06 06:00:29,811 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-06 06:00:31,886 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 346 [2021-06-06 06:00:33,682 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 345 [2021-06-06 06:00:35,156 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-06-06 06:00:36,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:36,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:36,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:36,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:36,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:36,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:36,988 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 43 [2021-06-06 06:00:36,991 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:37,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:37,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:37,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:37,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:37,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:37,063 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 72 treesize of output 40 [2021-06-06 06:00:37,066 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:45,231 WARN L205 SmtUtils]: Spent 8.16 s on a formula simplification. DAG size of input: 835 DAG size of output: 742 [2021-06-06 06:00:45,232 INFO L628 ElimStorePlain]: treesize reduction 1890, result has 57.6 percent of original size [2021-06-06 06:00:45,265 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:45,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:45,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:45,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:45,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:45,273 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 31 treesize of output 19 [2021-06-06 06:00:45,275 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:47,828 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 729 [2021-06-06 06:00:47,828 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:47,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:47,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:47,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:47,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:47,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:47,886 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 44 treesize of output 26 [2021-06-06 06:00:47,889 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:50,412 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 715 [2021-06-06 06:00:50,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:50,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:50,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:50,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:50,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:50,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:50,457 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 55 treesize of output 31 [2021-06-06 06:00:50,458 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:52,909 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 698 [2021-06-06 06:00:52,910 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:52,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:52,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:52,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:52,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:52,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:52,975 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 51 treesize of output 29 [2021-06-06 06:00:52,978 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:55,446 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 682 [2021-06-06 06:00:55,447 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:55,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:55,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:55,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:55,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:55,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:55,504 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 45 treesize of output 27 [2021-06-06 06:00:55,507 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:57,832 WARN L205 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 668 [2021-06-06 06:00:57,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:00:57,861 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:57,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:57,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:57,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:57,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:57,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:57,886 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 72 treesize of output 38 [2021-06-06 06:00:57,890 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 06:00:57,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:00:57,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:57,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:57,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:57,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:00:57,926 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 74 treesize of output 40 [2021-06-06 06:00:57,928 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:00,014 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 649 [2021-06-06 06:01:00,015 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:00,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:00,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:00,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:00,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:00,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:00,058 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 51 treesize of output 29 [2021-06-06 06:01:00,060 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:02,131 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 632 [2021-06-06 06:01:02,132 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:02,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:02,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:02,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:02,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:02,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2021-06-06 06:01:02,176 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:04,251 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 619 [2021-06-06 06:01:04,252 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:04,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:04,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:04,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:04,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:04,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:04,287 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 62 treesize of output 34 [2021-06-06 06:01:04,289 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:06,384 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 602 [2021-06-06 06:01:06,384 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:06,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:06,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:06,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:06,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:06,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:06,420 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 52 treesize of output 28 [2021-06-06 06:01:06,430 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:08,321 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 586 [2021-06-06 06:01:08,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:08,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:08,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:08,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:08,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:08,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:08,356 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 35 treesize of output 21 [2021-06-06 06:01:08,358 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:10,260 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 572 [2021-06-06 06:01:10,261 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:10,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:10,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:10,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:10,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:10,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:10,294 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 44 treesize of output 26 [2021-06-06 06:01:10,297 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:12,122 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 556 [2021-06-06 06:01:12,122 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:12,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:12,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:12,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:12,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:12,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:12,156 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 45 treesize of output 27 [2021-06-06 06:01:12,159 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:14,035 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 540 [2021-06-06 06:01:14,036 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:14,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:14,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:14,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:14,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:14,069 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:14,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:14,071 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 45 treesize of output 27 [2021-06-06 06:01:14,074 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:15,886 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 524 [2021-06-06 06:01:15,886 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:15,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:15,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:15,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:15,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:15,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:15,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:15,938 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 88 treesize of output 44 [2021-06-06 06:01:15,940 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:15,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:15,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:15,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:15,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:15,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:15,972 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 90 treesize of output 46 [2021-06-06 06:01:15,973 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:17,610 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 502 [2021-06-06 06:01:17,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:17,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:17,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:17,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:17,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:17,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:17,642 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 80 treesize of output 40 [2021-06-06 06:01:17,643 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:19,194 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 484 [2021-06-06 06:01:19,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:19,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:19,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:19,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:19,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:19,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:19,225 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 41 treesize of output 25 [2021-06-06 06:01:19,227 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:20,755 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 469 [2021-06-06 06:01:20,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:20,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:20,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:20,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:20,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:20,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2021-06-06 06:01:20,785 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:22,257 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 455 [2021-06-06 06:01:22,257 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:22,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:22,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:22,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:22,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:22,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:22,294 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 40 treesize of output 24 [2021-06-06 06:01:22,296 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:23,750 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 440 [2021-06-06 06:01:23,751 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:23,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:23,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:23,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:23,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:23,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:23,778 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 42 treesize of output 24 [2021-06-06 06:01:23,779 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:25,199 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 425 [2021-06-06 06:01:25,199 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:25,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:25,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:25,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:25,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:25,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:25,226 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 64 treesize of output 34 [2021-06-06 06:01:25,228 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:26,574 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 408 [2021-06-06 06:01:26,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:26,597 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:26,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:26,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:26,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:26,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:26,602 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 35 treesize of output 21 [2021-06-06 06:01:26,604 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:27,902 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 394 [2021-06-06 06:01:27,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:27,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:27,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:27,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:27,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:27,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:27,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:27,945 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 53 treesize of output 31 [2021-06-06 06:01:27,947 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:27,967 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:27,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:27,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:27,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:27,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:27,972 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 54 treesize of output 32 [2021-06-06 06:01:27,974 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:29,181 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 374 [2021-06-06 06:01:29,182 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:29,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:29,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:29,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:29,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:29,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:29,208 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 52 treesize of output 30 [2021-06-06 06:01:29,211 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:30,358 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 357 [2021-06-06 06:01:30,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:30,378 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:30,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:30,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:30,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:30,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:30,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:30,399 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 54 treesize of output 32 [2021-06-06 06:01:30,401 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:30,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:30,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:30,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:30,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:30,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:30,427 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 53 treesize of output 31 [2021-06-06 06:01:30,429 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:31,464 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 337 [2021-06-06 06:01:31,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:31,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:31,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:31,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:31,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:31,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-06-06 06:01:31,511 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:32,536 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 323 [2021-06-06 06:01:32,537 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:32,557 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:32,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:32,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:32,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:32,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:32,562 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 52 treesize of output 30 [2021-06-06 06:01:32,565 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:33,541 WARN L205 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2021-06-06 06:01:33,542 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:33,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:33,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:33,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:33,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:33,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:33,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:33,579 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 61 treesize of output 35 [2021-06-06 06:01:33,581 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:33,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:33,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:33,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:33,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:33,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:33,604 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 60 treesize of output 34 [2021-06-06 06:01:33,607 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:34,495 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 286 [2021-06-06 06:01:34,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:34,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:34,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:34,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:34,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:34,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:34,517 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 49 treesize of output 29 [2021-06-06 06:01:34,519 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:35,350 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-06 06:01:35,351 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:35,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:35,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:35,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:35,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:35,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:35,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:35,384 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 50 treesize of output 30 [2021-06-06 06:01:35,388 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:35,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:35,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:35,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:35,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:35,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:35,410 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 49 treesize of output 29 [2021-06-06 06:01:35,412 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:36,164 WARN L205 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-06-06 06:01:36,164 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:36,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:36,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:36,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:36,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:36,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:36,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:36,199 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 61 treesize of output 35 [2021-06-06 06:01:36,205 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:36,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 06:01:36,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:36,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:36,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:36,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 06:01:36,233 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 59 treesize of output 33 [2021-06-06 06:01:36,236 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-06 06:01:36,991 WARN L205 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-06-06 06:01:36,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 06:01:37,015 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-06-06 06:01:37,015 INFO L247 ElimStorePlain]: Needed 41 recursive calls to eliminate 96 variables, input treesize:4571, output treesize:175 [2021-06-06 06:01:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 06:01:37,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790650550] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 06:01:37,173 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 06:01:37,173 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-06-06 06:01:37,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759783793] [2021-06-06 06:01:37,176 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 06:01:37,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 06:01:37,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 06:01:37,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=755, Unknown=0, NotChecked=0, Total=870 [2021-06-06 06:01:37,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:01:37,177 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 06:01:37,177 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.4) internal successors, (72), 30 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 06:01:37,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:01:37,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:01:37,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:01:37,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:01:37,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:01:37,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:01:37,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:01:37,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:01:37,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 06:01:37,582 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 64 [2021-06-06 06:01:38,026 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 69 [2021-06-06 06:01:38,454 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 77 [2021-06-06 06:01:38,766 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 70 [2021-06-06 06:01:39,165 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 94 [2021-06-06 06:01:45,322 WARN L205 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 419 DAG size of output: 419 [2021-06-06 06:01:45,598 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2021-06-06 06:01:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 06:01:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 06:01:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 06:01:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 06:01:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 06:01:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 06:01:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-06 06:01:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-06 06:01:46,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 06:01:46,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable188 [2021-06-06 06:01:46,225 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 06:01:46,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 06:01:46,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1007081921, now seen corresponding path program 6 times [2021-06-06 06:01:46,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 06:01:46,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348751252] [2021-06-06 06:01:46,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 06:01:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 06:01:48,479 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 33 [2021-06-06 06:01:49,017 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 143 [2021-06-06 06:01:49,431 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 52 [2021-06-06 06:01:51,665 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 188 DAG size of output: 286 [2021-06-06 06:01:52,423 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 66 [2021-06-06 06:03:41,116 WARN L205 SmtUtils]: Spent 1.81 m on a formula simplification. DAG size of input: 384 DAG size of output: 713 [2021-06-06 06:03:41,267 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 713 [2021-06-06 06:03:44,079 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 709 DAG size of output: 166 [2021-06-06 06:07:00,955 WARN L205 SmtUtils]: Spent 3.28 m on a formula simplification. DAG size of input: 435 DAG size of output: 486 [2021-06-06 06:07:05,281 WARN L205 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 484 DAG size of output: 282 [2021-06-06 06:10:30,925 WARN L205 SmtUtils]: Spent 3.43 m on a formula simplification. DAG size of input: 438 DAG size of output: 489 [2021-06-06 06:10:34,943 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 487 DAG size of output: 263 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown