/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-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 03:13:59,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 03:13:59,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 03:13:59,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 03:13:59,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 03:13:59,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 03:13:59,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 03:13:59,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 03:13:59,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 03:13:59,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 03:13:59,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 03:13:59,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 03:13:59,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 03:13:59,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 03:13:59,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 03:13:59,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 03:13:59,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-07 03:13:59,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-07 03:13:59,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-07 03:13:59,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-07 03:13:59,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-07 03:13:59,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-07 03:13:59,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-07 03:13:59,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-07 03:13:59,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-07 03:13:59,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 03:13:59,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 03:13:59,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 03:13:59,930 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-Random7777.epf [2021-06-07 03:13:59,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 03:13:59,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 03:13:59,958 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 03:13:59,958 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 03:13:59,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 03:13:59,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 03:13:59,961 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 03:13:59,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 03:13:59,961 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 03:13:59,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 03:13:59,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 03:13:59,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 03:13:59,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 03:13:59,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 03:13:59,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 03:13:59,962 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 03:13:59,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 03:13:59,962 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 03:13:59,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 03:13:59,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 03:13:59,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 03:13:59,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 03:13:59,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 03:13:59,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 03:13:59,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 03:13:59,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 03:13:59,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 03:13:59,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 03:13:59,964 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 03:13:59,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 03:13:59,964 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 03:13:59,964 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 03:13:59,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 03:13:59,964 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 03:13:59,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 03:13:59,965 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 03:14:00,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 03:14:00,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 03:14:00,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 03:14:00,233 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 03:14:00,237 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 03:14:00,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl [2021-06-07 03:14:00,238 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2021-06-07 03:14:00,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 03:14:00,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 03:14:00,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 03:14:00,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 03:14:00,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 03:14:00,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:14:00" (1/1) ... [2021-06-07 03:14:00,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:14:00" (1/1) ... [2021-06-07 03:14:00,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 03:14:00,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 03:14:00,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 03:14:00,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 03:14:00,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:14:00" (1/1) ... [2021-06-07 03:14:00,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:14:00" (1/1) ... [2021-06-07 03:14:00,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:14:00" (1/1) ... [2021-06-07 03:14:00,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:14:00" (1/1) ... [2021-06-07 03:14:00,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:14:00" (1/1) ... [2021-06-07 03:14:00,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:14:00" (1/1) ... [2021-06-07 03:14:00,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:14:00" (1/1) ... [2021-06-07 03:14:00,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 03:14:00,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 03:14:00,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 03:14:00,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 03:14:00,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:14:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 03:14:00,379 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 03:14:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 03:14:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 03:14:00,379 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 03:14:00,379 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 03:14:00,379 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 03:14:00,379 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 03:14:00,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 03:14:00,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 03:14:00,381 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-07 03:14:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-07 03:14:00,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-07 03:14:00,381 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-07 03:14:00,381 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-07 03:14:00,381 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-07 03:14:00,382 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 03:14:00,589 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 03:14:00,590 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-06-07 03:14:00,590 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-07 03:14:00,590 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-06-07 03:14:00,591 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2021-06-07 03:14:00,592 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 03:14:00 BoogieIcfgContainer [2021-06-07 03:14:00,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 03:14:00,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 03:14:00,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 03:14:00,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 03:14:00,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 03:14:00" (1/2) ... [2021-06-07 03:14:00,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187716c1 and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 03:14:00, skipping insertion in model container [2021-06-07 03:14:00,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 03:14:00" (2/2) ... [2021-06-07 03:14:00,596 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2021-06-07 03:14:00,600 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 03:14:00,601 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 03:14:00,601 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 03:14:00,601 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 03:14:00,673 INFO L149 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2021-06-07 03:14:00,692 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 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 [2021-06-07 03:14:00,755 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 03:14:00,755 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 03:14:00,755 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 03:14:00,755 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 03:14:00,755 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 03:14:00,756 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 03:14:00,756 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 03:14:00,756 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1======== [2021-06-07 03:14:00,899 INFO L301 ceAbstractionStarter]: Result for error location thread1 was SAFE (1/3) [2021-06-07 03:14:00,900 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 03:14:00,924 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 03:14:00,924 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 03:14:00,924 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 03:14:00,924 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 03:14:00,924 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 03:14:00,925 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 03:14:00,925 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 03:14:00,925 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1Thread1of1ForFork0======== [2021-06-07 03:14:00,981 INFO L301 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE (2/3) [2021-06-07 03:14:00,981 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 03:14:00,985 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 03:14:00,986 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 03:14:00,986 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 03:14:00,986 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 03:14:00,986 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 03:14:00,986 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 03:14:00,986 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 03:14:00,986 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 03:14:01,032 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:14:01,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:14:01,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1520414733, now seen corresponding path program 1 times [2021-06-07 03:14:01,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:14:01,045 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260733555] [2021-06-07 03:14:01,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:14:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:01,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:01,172 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:14:01,172 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260733555] [2021-06-07 03:14:01,173 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260733555] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 03:14:01,173 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 03:14:01,173 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-07 03:14:01,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512299945] [2021-06-07 03:14:01,177 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 03:14:01,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:14:01,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 03:14:01,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-07 03:14:01,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:01,198 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:14:01,200 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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) [2021-06-07 03:14:01,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:01,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:01,278 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 03:14:01,278 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:14:01,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:14:01,279 INFO L82 PathProgramCache]: Analyzing trace with hash 724949336, now seen corresponding path program 1 times [2021-06-07 03:14:01,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:14:01,279 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534666508] [2021-06-07 03:14:01,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:14:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:01,474 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:14:01,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534666508] [2021-06-07 03:14:01,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534666508] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:01,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689939145] [2021-06-07 03:14:01,475 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 [2021-06-07 03:14:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:01,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-07 03:14:01,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:14:01,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-07 03:14:01,838 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 16 treesize of output 10 [2021-06-07 03:14:01,840 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:14:01,846 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:14:01,850 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:14:01,850 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:10 [2021-06-07 03:14:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:01,884 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689939145] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:01,884 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:14:01,884 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 13 [2021-06-07 03:14:01,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207635034] [2021-06-07 03:14:01,885 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 03:14:01,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:14:01,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 03:14:01,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-06-07 03:14:01,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:01,886 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:14:01,886 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 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) [2021-06-07 03:14:01,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:01,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:02,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:02,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:02,293 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:02,293 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:14:02,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:14:02,293 INFO L82 PathProgramCache]: Analyzing trace with hash 870831254, now seen corresponding path program 2 times [2021-06-07 03:14:02,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:14:02,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928458740] [2021-06-07 03:14:02,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:14:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-07 03:14:02,310 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:14:02,310 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928458740] [2021-06-07 03:14:02,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928458740] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 03:14:02,310 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 03:14:02,311 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 03:14:02,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679099947] [2021-06-07 03:14:02,311 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 03:14:02,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:14:02,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 03:14:02,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 03:14:02,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:02,311 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:14:02,312 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-06-07 03:14:02,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:02,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:02,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:02,338 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-07 03:14:02,338 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:14:02,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:14:02,339 INFO L82 PathProgramCache]: Analyzing trace with hash 904545113, now seen corresponding path program 3 times [2021-06-07 03:14:02,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:14:02,339 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074294271] [2021-06-07 03:14:02,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:14:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:02,375 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:02,375 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:14:02,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074294271] [2021-06-07 03:14:02,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074294271] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:02,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687437367] [2021-06-07 03:14:02,375 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 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 [2021-06-07 03:14:02,413 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-07 03:14:02,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:14:02,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-07 03:14:02,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:14:02,500 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:02,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687437367] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:02,500 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:14:02,500 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-07 03:14:02,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601269708] [2021-06-07 03:14:02,501 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-07 03:14:02,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:14:02,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-07 03:14:02,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-06-07 03:14:02,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:02,501 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:14:02,502 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.4) internal successors, (34), 10 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 03:14:02,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:02,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:02,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:02,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:02,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:02,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:02,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:02,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:02,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:02,813 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:14:02,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:14:02,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1730542118, now seen corresponding path program 4 times [2021-06-07 03:14:02,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:14:02,813 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204729523] [2021-06-07 03:14:02,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:14:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:02,857 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:02,857 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:14:02,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204729523] [2021-06-07 03:14:02,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204729523] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:02,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923183078] [2021-06-07 03:14:02,857 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 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 [2021-06-07 03:14:02,890 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 03:14:02,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:14:02,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-07 03:14:02,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:14:02,963 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:02,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923183078] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:02,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:14:02,965 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-06-07 03:14:02,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812663230] [2021-06-07 03:14:02,966 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-07 03:14:02,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:14:02,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-07 03:14:02,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-06-07 03:14:02,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:02,967 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:14:02,967 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 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) [2021-06-07 03:14:02,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:02,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:02,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:02,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:02,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:03,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:03,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:03,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:03,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:03,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:03,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:03,245 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:14:03,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:14:03,245 INFO L82 PathProgramCache]: Analyzing trace with hash -885696677, now seen corresponding path program 5 times [2021-06-07 03:14:03,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:14:03,246 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130474263] [2021-06-07 03:14:03,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:14:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:03,555 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:03,555 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:14:03,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130474263] [2021-06-07 03:14:03,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130474263] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:03,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147492311] [2021-06-07 03:14:03,556 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 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 [2021-06-07 03:14:03,594 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-06-07 03:14:03,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:14:03,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-07 03:14:03,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:14:03,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-06-07 03:14:03,780 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:14:03,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:14:03,784 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:14:03,784 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:7 [2021-06-07 03:14:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:03,819 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147492311] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:03,819 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:14:03,819 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2021-06-07 03:14:03,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994629399] [2021-06-07 03:14:03,820 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-07 03:14:03,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:14:03,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-07 03:14:03,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2021-06-07 03:14:03,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:03,821 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:14:03,821 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.9130434782608696) internal successors, (44), 23 states have internal predecessors, (44), 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) [2021-06-07 03:14:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:04,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:04,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:04,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:04,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:04,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:04,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-06-07 03:14:04,590 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:04,590 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:14:04,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:14:04,591 INFO L82 PathProgramCache]: Analyzing trace with hash -738046820, now seen corresponding path program 6 times [2021-06-07 03:14:04,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:14:04,591 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274915425] [2021-06-07 03:14:04,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:14:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:04,633 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:04,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:14:04,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274915425] [2021-06-07 03:14:04,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274915425] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:04,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229900075] [2021-06-07 03:14:04,634 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-06-07 03:14:04,667 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-07 03:14:04,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:14:04,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-07 03:14:04,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:14:04,775 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:04,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229900075] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:04,775 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:14:04,775 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2021-06-07 03:14:04,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542333241] [2021-06-07 03:14:04,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-07 03:14:04,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:14:04,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-07 03:14:04,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-06-07 03:14:04,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:04,776 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:14:04,776 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 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) [2021-06-07 03:14:04,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:04,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:04,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:04,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:04,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:04,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-06-07 03:14:04,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:05,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:05,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:05,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:05,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:05,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:05,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:05,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:05,332 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-06-07 03:14:05,333 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:14:05,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:14:05,333 INFO L82 PathProgramCache]: Analyzing trace with hash -440430690, now seen corresponding path program 7 times [2021-06-07 03:14:05,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:14:05,334 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572519935] [2021-06-07 03:14:05,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:14:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:05,722 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:14:05,722 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572519935] [2021-06-07 03:14:05,722 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572519935] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:05,722 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709704080] [2021-06-07 03:14:05,722 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:05,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 45 conjunts are in the unsatisfiable core [2021-06-07 03:14:05,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:14:06,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-06-07 03:14:06,063 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:14:06,064 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:14:06,065 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:14:06,065 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:7 [2021-06-07 03:14:06,105 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:06,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709704080] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:06,105 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:14:06,105 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 31 [2021-06-07 03:14:06,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533778095] [2021-06-07 03:14:06,106 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-07 03:14:06,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:14:06,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-07 03:14:06,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=823, Unknown=0, NotChecked=0, Total=930 [2021-06-07 03:14:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:06,106 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:14:06,106 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 31 states have internal predecessors, (52), 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) [2021-06-07 03:14:06,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:06,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:06,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:06,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:06,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:06,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:06,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:06,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:07,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:07,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:07,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:07,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:07,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:07,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:07,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:07,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-07 03:14:07,466 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:07,466 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:14:07,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:14:07,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1960804383, now seen corresponding path program 8 times [2021-06-07 03:14:07,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:14:07,467 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143587971] [2021-06-07 03:14:07,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:14:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:07,525 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:07,525 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:14:07,525 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143587971] [2021-06-07 03:14:07,525 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143587971] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:07,525 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690738974] [2021-06-07 03:14:07,526 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:07,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 03:14:07,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:14:07,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-07 03:14:07,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:14:07,686 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:07,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690738974] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:07,686 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:14:07,686 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2021-06-07 03:14:07,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842242681] [2021-06-07 03:14:07,687 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-07 03:14:07,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:14:07,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-07 03:14:07,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2021-06-07 03:14:07,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:07,688 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:14:07,688 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.7777777777777777) internal successors, (50), 18 states have internal predecessors, (50), 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) [2021-06-07 03:14:07,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:07,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:07,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:07,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:07,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:07,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:07,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:07,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-07 03:14:07,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:08,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:08,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:08,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:08,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:08,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:08,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:08,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:08,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 03:14:08,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 03:14:08,526 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:08,526 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:14:08,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:14:08,526 INFO L82 PathProgramCache]: Analyzing trace with hash 274690593, now seen corresponding path program 9 times [2021-06-07 03:14:08,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:14:08,527 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451523294] [2021-06-07 03:14:08,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:14:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:08,952 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:08,952 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:14:08,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451523294] [2021-06-07 03:14:08,952 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451523294] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:08,952 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442037235] [2021-06-07 03:14:08,952 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:08,986 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-07 03:14:08,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:14:08,987 WARN L261 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 57 conjunts are in the unsatisfiable core [2021-06-07 03:14:08,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:14:09,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:09,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:09,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:09,712 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:14:09,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 37 treesize of output 119 [2021-06-07 03:14:10,495 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-07 03:14:10,955 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 35 [2021-06-07 03:14:10,956 INFO L628 ElimStorePlain]: treesize reduction 1911, result has 3.7 percent of original size [2021-06-07 03:14:10,973 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:14:10,974 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:50, output treesize:134 [2021-06-07 03:14:11,194 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:11,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442037235] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:11,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:14:11,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 41 [2021-06-07 03:14:11,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721821839] [2021-06-07 03:14:11,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-06-07 03:14:11,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:14:11,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-06-07 03:14:11,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1482, Unknown=0, NotChecked=0, Total=1640 [2021-06-07 03:14:11,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:11,195 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:14:11,196 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 41 states have internal predecessors, (60), 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) [2021-06-07 03:14:11,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:11,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:11,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:11,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:11,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:11,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:11,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:11,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 03:14:11,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 03:14:11,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:12,003 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2021-06-07 03:14:12,432 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2021-06-07 03:14:12,865 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2021-06-07 03:14:13,224 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2021-06-07 03:14:13,477 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 48 [2021-06-07 03:14:13,688 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2021-06-07 03:14:13,953 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 55 [2021-06-07 03:14:14,170 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 62 [2021-06-07 03:14:14,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:14,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:14,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:14,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:14,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:14,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:14,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:14,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 03:14:14,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 03:14:14,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-07 03:14:15,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-07 03:14:15,033 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:14:15,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:14:15,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1997589986, now seen corresponding path program 10 times [2021-06-07 03:14:15,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:14:15,033 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826774882] [2021-06-07 03:14:15,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:14:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:15,103 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:15,103 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:14:15,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826774882] [2021-06-07 03:14:15,103 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826774882] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:15,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058438665] [2021-06-07 03:14:15,103 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:15,136 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 03:14:15,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:14:15,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-07 03:14:15,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:14:15,281 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:15,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058438665] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:15,281 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:14:15,281 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-06-07 03:14:15,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463609379] [2021-06-07 03:14:15,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-07 03:14:15,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:14:15,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-07 03:14:15,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2021-06-07 03:14:15,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:15,282 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:14:15,282 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 22 states have (on average 2.6363636363636362) internal successors, (58), 22 states have internal predecessors, (58), 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) [2021-06-07 03:14:15,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:15,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:15,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:15,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:15,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:15,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:15,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:15,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 03:14:15,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 03:14:15,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-07 03:14:15,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 03:14:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 03:14:16,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-07 03:14:16,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-07 03:14:16,260 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:16,262 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:14:16,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:14:16,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1922830620, now seen corresponding path program 11 times [2021-06-07 03:14:16,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:14:16,263 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558070676] [2021-06-07 03:14:16,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:14:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:16,851 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:16,851 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:14:16,851 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558070676] [2021-06-07 03:14:16,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558070676] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:16,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34264498] [2021-06-07 03:14:16,852 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:16,895 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-07 03:14:16,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:14:16,896 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 69 conjunts are in the unsatisfiable core [2021-06-07 03:14:16,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:14:17,619 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 19 [2021-06-07 03:14:17,620 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:14:17,621 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:14:17,622 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:14:17,622 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:7 [2021-06-07 03:14:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:17,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34264498] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:17,678 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:14:17,678 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24] total 47 [2021-06-07 03:14:17,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253602110] [2021-06-07 03:14:17,678 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-07 03:14:17,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:14:17,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-07 03:14:17,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=1961, Unknown=0, NotChecked=0, Total=2162 [2021-06-07 03:14:17,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:17,679 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:14:17,679 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.446808510638298) internal successors, (68), 47 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 03:14:17,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:17,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:17,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:17,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:17,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:17,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:17,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:17,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 03:14:17,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 03:14:17,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-07 03:14:17,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-07 03:14:17,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:20,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:20,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:20,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:20,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:20,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:20,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:20,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:20,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 03:14:20,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 03:14:20,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-07 03:14:20,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-07 03:14:20,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-07 03:14:20,422 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-06-07 03:14:20,422 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:14:20,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:14:20,423 INFO L82 PathProgramCache]: Analyzing trace with hash -991353371, now seen corresponding path program 12 times [2021-06-07 03:14:20,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:14:20,423 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840025937] [2021-06-07 03:14:20,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:14:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:20,508 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:20,508 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:14:20,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840025937] [2021-06-07 03:14:20,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840025937] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:20,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033842305] [2021-06-07 03:14:20,508 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:20,553 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-07 03:14:20,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:14:20,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-07 03:14:20,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:14:20,757 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:20,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033842305] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:20,757 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:14:20,757 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 26 [2021-06-07 03:14:20,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200983188] [2021-06-07 03:14:20,758 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-07 03:14:20,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:14:20,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-07 03:14:20,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=513, Unknown=0, NotChecked=0, Total=650 [2021-06-07 03:14:20,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:20,758 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:14:20,758 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.5384615384615383) internal successors, (66), 26 states have internal predecessors, (66), 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) [2021-06-07 03:14:20,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:20,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:20,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:20,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:20,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:20,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:20,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:20,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 03:14:20,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 03:14:20,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-07 03:14:20,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-07 03:14:20,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-07 03:14:20,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:21,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 03:14:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 03:14:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-07 03:14:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-07 03:14:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 03:14:21,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-07 03:14:22,158 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:22,158 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:14:22,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:14:22,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1256191463, now seen corresponding path program 13 times [2021-06-07 03:14:22,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:14:22,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067810117] [2021-06-07 03:14:22,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:14:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:22,894 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:22,895 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:14:22,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067810117] [2021-06-07 03:14:22,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067810117] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:22,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437113401] [2021-06-07 03:14:22,895 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:22,952 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 81 conjunts are in the unsatisfiable core [2021-06-07 03:14:22,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:14:23,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2021-06-07 03:14:23,980 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 03:14:23,981 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:14:23,982 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 03:14:23,982 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:7 [2021-06-07 03:14:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:24,043 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437113401] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:24,043 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:14:24,044 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28] total 55 [2021-06-07 03:14:24,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705781431] [2021-06-07 03:14:24,044 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-07 03:14:24,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:14:24,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-07 03:14:24,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=2700, Unknown=0, NotChecked=0, Total=2970 [2021-06-07 03:14:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:24,045 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:14:24,045 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 55 states have internal predecessors, (76), 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) [2021-06-07 03:14:24,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:24,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:24,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 03:14:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 03:14:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-07 03:14:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-07 03:14:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 03:14:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-06-07 03:14:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:27,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:27,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:27,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:27,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 03:14:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 03:14:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-07 03:14:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-07 03:14:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 03:14:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-07 03:14:27,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 03:14:27,737 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-06-07 03:14:27,738 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:14:27,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:14:27,738 INFO L82 PathProgramCache]: Analyzing trace with hash 327120936, now seen corresponding path program 14 times [2021-06-07 03:14:27,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:14:27,738 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124714192] [2021-06-07 03:14:27,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:14:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:27,835 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:27,835 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:14:27,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124714192] [2021-06-07 03:14:27,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124714192] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:27,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306668163] [2021-06-07 03:14:27,835 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:27,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 03:14:27,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:14:27,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-07 03:14:27,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:14:28,125 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:28,125 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306668163] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:28,125 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 03:14:28,125 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-06-07 03:14:28,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369848858] [2021-06-07 03:14:28,126 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-07 03:14:28,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 03:14:28,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-07 03:14:28,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=690, Unknown=0, NotChecked=0, Total=870 [2021-06-07 03:14:28,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:28,126 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 03:14:28,127 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.466666666666667) internal successors, (74), 30 states have internal predecessors, (74), 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) [2021-06-07 03:14:28,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:28,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:28,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:28,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:28,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:28,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:28,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:28,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-07 03:14:28,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-06-07 03:14:28,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-06-07 03:14:28,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-07 03:14:28,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 03:14:28,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-06-07 03:14:28,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-07 03:14:28,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 03:14:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-07 03:14:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 03:14:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 03:14:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 03:14:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 03:14:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-06-07 03:14:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-07 03:14:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-07 03:14:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-06-07 03:14:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-06-07 03:14:29,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-07 03:14:29,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-07 03:14:29,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-07 03:14:29,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-06-07 03:14:29,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-06-07 03:14:29,872 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:29,873 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-07 03:14:29,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 03:14:29,873 INFO L82 PathProgramCache]: Analyzing trace with hash 564819754, now seen corresponding path program 15 times [2021-06-07 03:14:29,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 03:14:29,873 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941437740] [2021-06-07 03:14:29,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 03:14:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 03:14:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 17 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 03:14:30,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 03:14:30,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941437740] [2021-06-07 03:14:30,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941437740] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 03:14:30,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212875911] [2021-06-07 03:14:30,882 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 03:14:30,924 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-07 03:14:30,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 03:14:30,925 WARN L261 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 93 conjunts are in the unsatisfiable core [2021-06-07 03:14:30,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 03:14:32,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-07 03:14:32,821 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-07 03:14:32,822 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 03:14:32,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 21 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 34 case distinctions, treesize of input 63 treesize of output 361 [2021-06-07 03:14:33,827 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 2040 DAG size of output: 1053 [2021-06-07 03:14:34,428 WARN L205 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 2065 DAG size of output: 1073 [2021-06-07 03:14:35,434 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 1003 DAG size of output: 1058 [2021-06-07 03:14:35,852 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 997 DAG size of output: 997 [2021-06-07 03:14:36,283 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 660 DAG size of output: 751 [2021-06-07 03:14:36,670 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 694 [2021-06-07 03:14:37,040 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 747 [2021-06-07 03:14:37,394 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 649 DAG size of output: 715 [2021-06-07 03:14:37,514 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 359 [2021-06-07 03:14:38,042 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 737 DAG size of output: 563 [2021-06-07 03:14:39,004 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 1829 DAG size of output: 1331 [2021-06-07 03:14:39,856 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 2136 DAG size of output: 1592 [2021-06-07 03:14:41,069 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 2345 DAG size of output: 1770 [2021-06-07 03:14:42,790 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 2622 DAG size of output: 2032 [2021-06-07 03:14:43,247 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 566 [2021-06-07 03:14:43,709 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 591 [2021-06-07 03:14:43,885 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 518 [2021-06-07 03:14:44,354 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 379 [2021-06-07 03:14:44,501 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 555 DAG size of output: 442 [2021-06-07 03:14:44,811 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 480 [2021-06-07 03:14:45,097 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 504 [2021-06-07 03:14:45,378 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 487 [2021-06-07 03:14:45,847 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 386 [2021-06-07 03:14:46,164 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 680 [2021-06-07 03:14:46,467 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 1157 DAG size of output: 836 [2021-06-07 03:14:46,990 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 1310 DAG size of output: 970 [2021-06-07 03:14:47,756 WARN L205 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 1458 DAG size of output: 1106 [2021-06-07 03:14:48,806 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1686 DAG size of output: 1322 [2021-06-07 03:14:50,310 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1991 DAG size of output: 1554 [2021-06-07 03:14:52,327 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 2240 DAG size of output: 1761 [2021-06-07 03:14:54,889 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 2492 DAG size of output: 1992 [2021-06-07 03:14:59,698 WARN L205 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 4584 DAG size of output: 3582 [2021-06-07 03:15:05,849 WARN L205 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 5177 DAG size of output: 4130 [2021-06-07 03:15:12,032 WARN L205 SmtUtils]: Spent 6.16 s on a formula simplification. DAG size of input: 5177 DAG size of output: 4130 [2021-06-07 03:15:18,581 WARN L205 SmtUtils]: Spent 6.51 s on a formula simplification. DAG size of input: 5180 DAG size of output: 4133 [2021-06-07 03:15:24,579 WARN L205 SmtUtils]: Spent 5.97 s on a formula simplification. DAG size of input: 3815 DAG size of output: 3805 [2021-06-07 03:15:29,316 WARN L205 SmtUtils]: Spent 4.72 s on a formula simplification. DAG size of input: 3268 DAG size of output: 3269 [2021-06-07 03:15:30,945 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 1901 DAG size of output: 1901 [2021-06-07 03:15:31,287 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 666 [2021-06-07 03:15:31,420 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 578 [2021-06-07 03:15:31,545 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 335 [2021-06-07 03:15:32,664 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 765 DAG size of output: 641 [2021-06-07 03:15:32,914 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 769 DAG size of output: 643 [2021-06-07 03:15:33,230 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 890 DAG size of output: 764 [2021-06-07 03:15:33,757 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 1146 DAG size of output: 897 [2021-06-07 03:15:34,428 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 1154 DAG size of output: 905 [2021-06-07 03:15:35,062 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 594 [2021-06-07 03:15:35,235 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 640 [2021-06-07 03:15:35,939 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 721 DAG size of output: 634 [2021-06-07 03:15:36,372 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 1297 DAG size of output: 1142 [2021-06-07 03:15:37,663 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 2217 DAG size of output: 1836 [2021-06-07 03:15:39,358 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 2475 DAG size of output: 2097 [2021-06-07 03:15:39,703 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 574 DAG size of output: 662 [2021-06-07 03:15:40,063 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 654 [2021-06-07 03:15:40,198 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 565 [2021-06-07 03:15:40,324 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 311 [2021-06-07 03:15:40,948 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 622 [2021-06-07 03:15:41,481 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 937 DAG size of output: 838 [2021-06-07 03:15:41,844 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 1049 DAG size of output: 947 [2021-06-07 03:15:42,696 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 939 DAG size of output: 875 [2021-06-07 03:15:43,336 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 1779 DAG size of output: 1609 [2021-06-07 03:15:44,303 WARN L205 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 2167 DAG size of output: 2002 [2021-06-07 03:15:45,599 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 2403 DAG size of output: 2217 [2021-06-07 03:15:46,353 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 566 [2021-06-07 03:15:46,500 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 541 [2021-06-07 03:15:47,264 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1007 DAG size of output: 850 [2021-06-07 03:15:48,011 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 782 [2021-06-07 03:15:48,380 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 1424 DAG size of output: 1222 [2021-06-07 03:15:48,993 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 1679 DAG size of output: 1468 [2021-06-07 03:15:49,110 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 528 [2021-06-07 03:15:49,725 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 676 [2021-06-07 03:15:50,128 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 901 DAG size of output: 872 [2021-06-07 03:15:50,443 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 1006 DAG size of output: 974 [2021-06-07 03:15:51,319 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 994 DAG size of output: 973 [2021-06-07 03:15:51,934 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 1773 DAG size of output: 1711 [2021-06-07 03:15:52,253 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 584 [2021-06-07 03:15:52,946 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 482 [2021-06-07 03:15:53,161 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 574 [2021-06-07 03:15:53,465 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 817 DAG size of output: 664 [2021-06-07 03:15:54,474 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 1734 DAG size of output: 1421 [2021-06-07 03:16:02,225 WARN L205 SmtUtils]: Spent 7.73 s on a formula simplification. DAG size of input: 7958 DAG size of output: 6827 [2021-06-07 03:16:07,271 WARN L205 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 1774 DAG size of output: 2322 [2021-06-07 03:16:07,684 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 514 [2021-06-07 03:16:08,066 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 537 [2021-06-07 03:16:08,442 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 522 [2021-06-07 03:16:08,825 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 501 [2021-06-07 03:16:09,819 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 1400 DAG size of output: 1099 [2021-06-07 03:16:10,609 WARN L205 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 1653 DAG size of output: 1369 [2021-06-07 03:16:11,732 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1835 DAG size of output: 1550 [2021-06-07 03:16:13,280 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 2106 DAG size of output: 1761 [2021-06-07 03:16:13,675 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 552 [2021-06-07 03:16:14,086 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 514 [2021-06-07 03:16:14,477 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 519 [2021-06-07 03:16:14,639 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 456 DAG size of output: 456 [2021-06-07 03:16:14,745 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 387 [2021-06-07 03:16:14,909 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 341 [2021-06-07 03:16:15,080 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 352 [2021-06-07 03:16:15,485 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 987 DAG size of output: 918 [2021-06-07 03:16:15,836 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 1127 DAG size of output: 1068 [2021-06-07 03:16:16,707 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 1378 DAG size of output: 1287 [2021-06-07 03:16:17,145 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 534 [2021-06-07 03:16:17,974 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 1700 DAG size of output: 1582 [2021-06-07 03:16:19,149 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1969 DAG size of output: 1844 [2021-06-07 03:16:20,789 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 2222 DAG size of output: 2111 [2021-06-07 03:16:22,903 WARN L205 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 2389 DAG size of output: 2269 [2021-06-07 03:16:23,195 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 461 [2021-06-07 03:16:23,478 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 445 [2021-06-07 03:16:24,073 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 870 [2021-06-07 03:16:24,590 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 1403 DAG size of output: 1109 [2021-06-07 03:16:24,787 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 418 [2021-06-07 03:16:25,766 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 712 [2021-06-07 03:16:26,038 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 823 [2021-06-07 03:16:26,384 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 1077 DAG size of output: 1025 [2021-06-07 03:16:26,909 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 1191 DAG size of output: 1129 [2021-06-07 03:16:27,027 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 327 [2021-06-07 03:16:27,281 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 508 [2021-06-07 03:16:27,865 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 399 [2021-06-07 03:16:28,465 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 1013 DAG size of output: 755 [2021-06-07 03:16:28,620 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 409 [2021-06-07 03:16:28,728 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 361 [2021-06-07 03:16:29,639 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 883 DAG size of output: 698 [2021-06-07 03:16:30,177 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 496 [2021-06-07 03:16:30,569 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 1236 DAG size of output: 1050 [2021-06-07 03:16:31,431 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 1515 DAG size of output: 1283 [2021-06-07 03:16:43,252 WARN L205 SmtUtils]: Spent 11.80 s on a formula simplification. DAG size of input: 8501 DAG size of output: 7147 [2021-06-07 03:17:05,561 WARN L205 SmtUtils]: Spent 22.26 s on a formula simplification. DAG size of input: 15268 DAG size of output: 12863 [2021-06-07 03:17:06,505 WARN L205 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 1033 [2021-06-07 03:17:07,478 WARN L205 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 903 DAG size of output: 982 [2021-06-07 03:17:08,397 WARN L205 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 1042 [2021-06-07 03:17:09,309 WARN L205 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 896 DAG size of output: 1004 [2021-06-07 03:17:09,473 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 457 [2021-06-07 03:17:09,876 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 397 [2021-06-07 03:17:10,797 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 738 DAG size of output: 533 [2021-06-07 03:17:10,957 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 668 [2021-06-07 03:17:11,263 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 1187 DAG size of output: 872 [2021-06-07 03:17:11,748 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 1084 [2021-06-07 03:17:12,182 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 354 [2021-06-07 03:17:12,297 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 364 [2021-06-07 03:17:12,812 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 613 [2021-06-07 03:17:13,049 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 802 DAG size of output: 697 [2021-06-07 03:17:13,420 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 950 DAG size of output: 841 [2021-06-07 03:17:15,340 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 3262 DAG size of output: 2594 [2021-06-07 03:17:18,040 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 3781 DAG size of output: 3034 [2021-06-07 03:17:21,691 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 4419 DAG size of output: 3557 [2021-06-07 03:17:26,327 WARN L205 SmtUtils]: Spent 4.62 s on a formula simplification. DAG size of input: 4735 DAG size of output: 3844 [2021-06-07 03:17:57,138 WARN L205 SmtUtils]: Spent 30.77 s on a formula simplification. DAG size of input: 18932 DAG size of output: 15769 [2021-06-07 03:18:28,111 WARN L205 SmtUtils]: Spent 30.88 s on a formula simplification. DAG size of input: 18932 DAG size of output: 15769 [2021-06-07 03:19:00,690 WARN L205 SmtUtils]: Spent 32.44 s on a formula simplification. DAG size of input: 18935 DAG size of output: 15772 [2021-06-07 03:19:30,703 WARN L205 SmtUtils]: Spent 29.91 s on a formula simplification. DAG size of input: 14973 DAG size of output: 14916 [2021-06-07 03:19:31,004 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 411 [2021-06-07 03:19:31,249 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 409 [2021-06-07 03:19:32,153 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 553 [2021-06-07 03:19:32,408 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 857 DAG size of output: 671 [2021-06-07 03:19:32,824 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 760 [2021-06-07 03:19:33,402 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 963 DAG size of output: 766 [2021-06-07 03:19:35,400 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 424 [2021-06-07 03:19:35,579 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 828 DAG size of output: 662 [2021-06-07 03:19:38,342 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 541 DAG size of output: 466 [2021-06-07 03:19:38,982 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 629 [2021-06-07 03:19:39,492 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 1028 [2021-06-07 03:19:39,781 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 390 [2021-06-07 03:19:40,396 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 623 [2021-06-07 03:19:40,895 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 827 [2021-06-07 03:19:41,326 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 1154 DAG size of output: 1051 [2021-06-07 03:19:42,647 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 2372 DAG size of output: 1801 [2021-06-07 03:19:42,807 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 307 [2021-06-07 03:19:43,089 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 689 DAG size of output: 515 [2021-06-07 03:19:48,055 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 1528 DAG size of output: 1144 [2021-06-07 03:19:48,600 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 1795 DAG size of output: 1114 [2021-06-07 03:19:49,097 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 1717 DAG size of output: 1054 [2021-06-07 03:19:49,562 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 1641 DAG size of output: 996 [2021-06-07 03:19:50,000 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 1604 DAG size of output: 940 [2021-06-07 03:19:50,392 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 1459 DAG size of output: 859 [2021-06-07 03:19:50,753 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 1390 DAG size of output: 808 [2021-06-07 03:19:51,101 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 1323 DAG size of output: 759 [2021-06-07 03:19:51,397 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 1258 DAG size of output: 712 [2021-06-07 03:20:49,053 WARN L205 SmtUtils]: Spent 6.58 s on a formula simplification. DAG size of input: 6076 DAG size of output: 6042 [2021-06-07 03:21:49,435 WARN L205 SmtUtils]: Spent 59.72 s on a formula simplification. DAG size of input: 16295 DAG size of output: 11890 [2021-06-07 03:23:06,114 WARN L205 SmtUtils]: Spent 1.25 m on a formula simplification. DAG size of input: 18410 DAG size of output: 11570 [2021-06-07 03:24:21,660 WARN L205 SmtUtils]: Spent 1.23 m on a formula simplification. DAG size of input: 18144 DAG size of output: 11360 [2021-06-07 03:25:35,562 WARN L205 SmtUtils]: Spent 1.20 m on a formula simplification. DAG size of input: 17880 DAG size of output: 11152 [2021-06-07 03:26:47,386 WARN L205 SmtUtils]: Spent 1.17 m on a formula simplification. DAG size of input: 17618 DAG size of output: 10946 [2021-06-07 03:27:57,423 WARN L205 SmtUtils]: Spent 1.14 m on a formula simplification. DAG size of input: 17358 DAG size of output: 10742 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown