/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1-dsl.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 21:29:00,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 21:29:00,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 21:29:00,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-06 21:29:00,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-06 21:29:00,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-06 21:29:00,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-06 21:29:00,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-06 21:29:00,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-06 21:29:00,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-06 21:29:00,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-06 21:29:00,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-06 21:29:00,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-06 21:29:00,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-06 21:29:00,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-06 21:29:00,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-06 21:29:00,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-06 21:29:00,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-06 21:29:00,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-06 21:29:00,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-06 21:29:00,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-06 21:29:00,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-06 21:29:00,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-06 21:29:00,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-06 21:29:00,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-06 21:29:00,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-06 21:29:00,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-06 21:29:00,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-06 21:29:00,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-06 21:29:00,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-06 21:29:00,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-06 21:29:00,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-06 21:29:00,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-06 21:29:00,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-06 21:29:00,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-06 21:29:00,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-06 21:29:00,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-06 21:29:00,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-06 21:29:00,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 21:29:00,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 21:29:00,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 21:29:00,100 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-Random521.epf [2021-06-06 21:29:00,128 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 21:29:00,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 21:29:00,129 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 21:29:00,129 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 21:29:00,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 21:29:00,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 21:29:00,131 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 21:29:00,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 21:29:00,131 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 21:29:00,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 21:29:00,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 21:29:00,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 21:29:00,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 21:29:00,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 21:29:00,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 21:29:00,132 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 21:29:00,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 21:29:00,133 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 21:29:00,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 21:29:00,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 21:29:00,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 21:29:00,133 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 21:29:00,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 21:29:00,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 21:29:00,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 21:29:00,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 21:29:00,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 21:29:00,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 21:29:00,134 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 21:29:00,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 21:29:00,134 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 21:29:00,134 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 21:29:00,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 21:29:00,134 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 21:29:00,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 21:29:00,135 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 21:29:00,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 21:29:00,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 21:29:00,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 21:29:00,388 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 21:29:00,389 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 21:29:00,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1-dsl.wvr.bpl [2021-06-06 21:29:00,390 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-1-dsl.wvr.bpl' [2021-06-06 21:29:00,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 21:29:00,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 21:29:00,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 21:29:00,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 21:29:00,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 21:29:00,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:29:00" (1/1) ... [2021-06-06 21:29:00,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:29:00" (1/1) ... [2021-06-06 21:29:00,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 21:29:00,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 21:29:00,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 21:29:00,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 21:29:00,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:29:00" (1/1) ... [2021-06-06 21:29:00,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:29:00" (1/1) ... [2021-06-06 21:29:00,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:29:00" (1/1) ... [2021-06-06 21:29:00,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:29:00" (1/1) ... [2021-06-06 21:29:00,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:29:00" (1/1) ... [2021-06-06 21:29:00,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:29:00" (1/1) ... [2021-06-06 21:29:00,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:29:00" (1/1) ... [2021-06-06 21:29:00,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 21:29:00,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 21:29:00,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 21:29:00,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 21:29:00,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:29:00" (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 [2021-06-06 21:29:00,527 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 21:29:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 21:29:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 21:29:00,528 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 21:29:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 21:29:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 21:29:00,528 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 21:29:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 21:29:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 21:29:00,528 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 21:29:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 21:29:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 21:29:00,529 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-06 21:29:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-06 21:29:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-06 21:29:00,529 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-06-06 21:29:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-06-06 21:29:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-06-06 21:29:00,530 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-06-06 21:29:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-06-06 21:29:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-06-06 21:29:00,531 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 21:29:00,721 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 21:29:00,721 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-06 21:29:00,721 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-06 21:29:00,722 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-06-06 21:29:00,722 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread5EXIT is neither atomic block end nor error location. [2021-06-06 21:29:00,722 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread6EXIT is neither atomic block end nor error location. [2021-06-06 21:29:00,723 INFO L202 PluginConnector]: Adding new model parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:29:00 BoogieIcfgContainer [2021-06-06 21:29:00,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 21:29:00,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 21:29:00,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 21:29:00,739 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 21:29:00,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 09:29:00" (1/2) ... [2021-06-06 21:29:00,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a88066 and model type parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 09:29:00, skipping insertion in model container [2021-06-06 21:29:00,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-1-dsl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 09:29:00" (2/2) ... [2021-06-06 21:29:00,741 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-1-dsl.wvr.bpl [2021-06-06 21:29:00,744 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 21:29:00,745 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 21:29:00,745 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 21:29:00,745 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 21:29:00,818 INFO L149 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-06-06 21:29:00,836 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 [2021-06-06 21:29:00,863 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 21:29:00,864 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 21:29:00,864 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 21:29:00,864 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 21:29:00,864 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 21:29:00,864 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 21:29:00,864 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 21:29:00,864 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread4Thread1of1ForFork1======== [2021-06-06 21:29:01,076 INFO L301 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork1 was SAFE (1/5) [2021-06-06 21:29:01,077 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 [2021-06-06 21:29:01,083 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 21:29:01,083 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 21:29:01,083 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 21:29:01,083 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 21:29:01,083 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 21:29:01,083 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 21:29:01,083 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 21:29:01,083 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1======== [2021-06-06 21:29:01,159 INFO L301 ceAbstractionStarter]: Result for error location thread1 was SAFE (2/5) [2021-06-06 21:29:01,159 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 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 [2021-06-06 21:29:01,176 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 21:29:01,176 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 21:29:01,176 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 21:29:01,177 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 21:29:01,177 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 21:29:01,177 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 21:29:01,177 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 21:29:01,177 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread4======== [2021-06-06 21:29:01,257 INFO L301 ceAbstractionStarter]: Result for error location thread4 was SAFE (3/5) [2021-06-06 21:29:01,257 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 21:29:01,267 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 21:29:01,268 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 21:29:01,268 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 21:29:01,268 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 21:29:01,268 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 21:29:01,268 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 21:29:01,268 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 21:29:01,268 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1Thread1of1ForFork0======== [2021-06-06 21:29:01,353 INFO L301 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE (4/5) [2021-06-06 21:29:01,354 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 21:29:01,357 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 21:29:01,358 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 21:29:01,358 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 21:29:01,358 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 21:29:01,358 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 21:29:01,358 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 21:29:01,358 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 21:29:01,358 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 21:29:01,402 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:01,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:01,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1305512335, now seen corresponding path program 1 times [2021-06-06 21:29:01,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:01,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073793738] [2021-06-06 21:29:01,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:01,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:01,565 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:01,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073793738] [2021-06-06 21:29:01,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073793738] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 21:29:01,566 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 21:29:01,566 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 21:29:01,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479046285] [2021-06-06 21:29:01,572 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 21:29:01,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:01,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 21:29:01,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 21:29:01,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:01,582 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:01,582 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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) [2021-06-06 21:29:01,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:01,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:01,612 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 21:29:01,612 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:01,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:01,613 INFO L82 PathProgramCache]: Analyzing trace with hash 482159602, now seen corresponding path program 1 times [2021-06-06 21:29:01,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:01,613 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498069004] [2021-06-06 21:29:01,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:01,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:01,631 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:01,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498069004] [2021-06-06 21:29:01,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498069004] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 21:29:01,632 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 21:29:01,632 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 21:29:01,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185501723] [2021-06-06 21:29:01,633 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 21:29:01,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:01,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 21:29:01,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 21:29:01,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:01,633 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:01,633 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:29:01,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:01,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:01,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:01,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:01,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 21:29:01,652 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:01,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:01,653 INFO L82 PathProgramCache]: Analyzing trace with hash 2129450168, now seen corresponding path program 2 times [2021-06-06 21:29:01,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:01,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607036265] [2021-06-06 21:29:01,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:01,700 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:01,700 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607036265] [2021-06-06 21:29:01,700 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607036265] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 21:29:01,702 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 21:29:01,702 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 21:29:01,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718445931] [2021-06-06 21:29:01,702 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 21:29:01,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:01,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 21:29:01,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-06 21:29:01,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:01,703 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:01,703 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:29:01,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:01,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:01,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:01,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:01,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:01,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:01,769 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 21:29:01,769 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:01,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:01,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1783555170, now seen corresponding path program 1 times [2021-06-06 21:29:01,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:01,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312672131] [2021-06-06 21:29:01,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:01,786 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:01,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312672131] [2021-06-06 21:29:01,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312672131] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 21:29:01,786 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 21:29:01,786 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 21:29:01,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285125740] [2021-06-06 21:29:01,787 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 21:29:01,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:01,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 21:29:01,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 21:29:01,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:01,787 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:01,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:29:01,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:01,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:01,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:01,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:01,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:01,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:01,866 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 21:29:01,866 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:01,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:01,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1984679609, now seen corresponding path program 1 times [2021-06-06 21:29:01,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:01,867 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74781025] [2021-06-06 21:29:01,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:01,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:01,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74781025] [2021-06-06 21:29:01,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74781025] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 21:29:01,890 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 21:29:01,891 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-06 21:29:01,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844379207] [2021-06-06 21:29:01,891 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-06 21:29:01,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:01,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-06 21:29:01,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-06 21:29:01,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:01,891 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:01,892 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:29:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:01,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:01,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:01,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:01,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:01,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:01,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:01,979 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-06 21:29:01,979 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:01,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:01,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1052280905, now seen corresponding path program 1 times [2021-06-06 21:29:01,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:01,980 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874760263] [2021-06-06 21:29:01,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:02,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:02,158 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:02,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874760263] [2021-06-06 21:29:02,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874760263] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:02,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093017009] [2021-06-06 21:29:02,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:29:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:02,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-06 21:29:02,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:29:02,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:29:02,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-06 21:29:02,477 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:29:02,483 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:29:02,489 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:29:02,489 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:10 [2021-06-06 21:29:02,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:02,544 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093017009] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:02,546 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:29:02,546 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 13 [2021-06-06 21:29:02,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853673266] [2021-06-06 21:29:02,546 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 21:29:02,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:02,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 21:29:02,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-06-06 21:29:02,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:02,547 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:02,547 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:29:02,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:02,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:02,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:02,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:02,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:02,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:02,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:02,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:02,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:02,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:02,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:02,979 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:29:02,979 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:02,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:02,980 INFO L82 PathProgramCache]: Analyzing trace with hash -2091252904, now seen corresponding path program 2 times [2021-06-06 21:29:02,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:02,980 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345806466] [2021-06-06 21:29:02,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:03,025 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:03,026 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:03,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345806466] [2021-06-06 21:29:03,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345806466] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:03,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694403090] [2021-06-06 21:29:03,026 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:29:03,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:29:03,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:29:03,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-06 21:29:03,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:29:03,164 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:03,165 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694403090] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:03,165 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:29:03,165 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-06-06 21:29:03,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787966462] [2021-06-06 21:29:03,166 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-06 21:29:03,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:03,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-06 21:29:03,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-06-06 21:29:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:03,167 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:03,167 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 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) [2021-06-06 21:29:03,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:03,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:03,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:03,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:03,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:03,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:03,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:03,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:03,547 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:29:03,548 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:03,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:03,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1088909909, now seen corresponding path program 1 times [2021-06-06 21:29:03,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:03,548 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795263471] [2021-06-06 21:29:03,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:03,835 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:03,835 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:03,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795263471] [2021-06-06 21:29:03,835 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795263471] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:03,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32621383] [2021-06-06 21:29:03,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:29:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:03,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 33 conjunts are in the unsatisfiable core [2021-06-06 21:29:03,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:29:04,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:04,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:29:04,053 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:29:04,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2021-06-06 21:29:04,055 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:29:04,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:29:04,061 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:29:04,061 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:42, output treesize:14 [2021-06-06 21:29:04,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:04,107 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32621383] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:04,107 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:29:04,107 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 21 [2021-06-06 21:29:04,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599905206] [2021-06-06 21:29:04,107 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 21:29:04,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:04,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 21:29:04,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2021-06-06 21:29:04,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:04,108 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:04,108 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 21 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) [2021-06-06 21:29:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:04,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:04,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:04,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:04,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:04,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:04,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:04,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:04,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:05,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-06 21:29:05,041 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:05,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:05,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1573600685, now seen corresponding path program 2 times [2021-06-06 21:29:05,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:05,041 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837724709] [2021-06-06 21:29:05,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:05,316 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:05,316 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:05,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837724709] [2021-06-06 21:29:05,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837724709] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:05,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723264375] [2021-06-06 21:29:05,316 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 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 [2021-06-06 21:29:05,353 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:29:05,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:29:05,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-06 21:29:05,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:29:05,671 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:29:05,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 40 [2021-06-06 21:29:05,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:29:05,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:29:05,685 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:29:05,685 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:34 [2021-06-06 21:29:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:05,824 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723264375] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:05,824 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:29:05,824 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 32 [2021-06-06 21:29:05,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426134567] [2021-06-06 21:29:05,824 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 21:29:05,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:05,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 21:29:05,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=883, Unknown=0, NotChecked=0, Total=992 [2021-06-06 21:29:05,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:05,825 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:05,825 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 1.84375) internal successors, (59), 32 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:29:05,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:05,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:05,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:05,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:05,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:05,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:05,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:05,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:05,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:06,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:06,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:29:07,072 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:29:07,073 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:07,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:07,073 INFO L82 PathProgramCache]: Analyzing trace with hash -106836305, now seen corresponding path program 3 times [2021-06-06 21:29:07,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:07,073 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014042347] [2021-06-06 21:29:07,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:07,131 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:07,132 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:07,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014042347] [2021-06-06 21:29:07,132 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014042347] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:07,132 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494562307] [2021-06-06 21:29:07,132 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 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 [2021-06-06 21:29:07,178 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-06 21:29:07,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:29:07,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-06 21:29:07,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:29:07,337 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:07,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494562307] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:07,337 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:29:07,337 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2021-06-06 21:29:07,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778176764] [2021-06-06 21:29:07,338 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-06 21:29:07,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:07,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-06 21:29:07,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2021-06-06 21:29:07,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:07,338 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:07,338 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 3.0476190476190474) internal successors, (64), 21 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:29:07,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:07,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:07,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:07,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:07,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:07,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:07,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:07,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:07,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-06-06 21:29:07,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:29:08,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:29:08,034 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:08,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:08,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1736359632, now seen corresponding path program 4 times [2021-06-06 21:29:08,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:08,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841534918] [2021-06-06 21:29:08,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:08,100 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 17 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:08,100 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:08,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841534918] [2021-06-06 21:29:08,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841534918] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:08,101 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991130906] [2021-06-06 21:29:08,101 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 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 [2021-06-06 21:29:08,138 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 21:29:08,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:29:08,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 21:29:08,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:29:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 17 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:08,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991130906] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:08,284 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:29:08,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-06-06 21:29:08,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042090674] [2021-06-06 21:29:08,285 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 21:29:08,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:08,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 21:29:08,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2021-06-06 21:29:08,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:08,285 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:08,285 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 23 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:29:08,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:08,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:08,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:08,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:08,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:08,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:08,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:08,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:08,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:08,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:29:08,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:29:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:29:09,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-06 21:29:09,113 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:09,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:09,113 INFO L82 PathProgramCache]: Analyzing trace with hash -773838159, now seen corresponding path program 5 times [2021-06-06 21:29:09,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:09,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25300858] [2021-06-06 21:29:09,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:09,584 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:09,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25300858] [2021-06-06 21:29:09,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25300858] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:09,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204798979] [2021-06-06 21:29:09,584 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 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 [2021-06-06 21:29:09,632 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-06 21:29:09,632 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:29:09,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 67 conjunts are in the unsatisfiable core [2021-06-06 21:29:09,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:29:10,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,676 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:29:10,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:29:10,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:29:10,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,683 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:29:10,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:10,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 21:29:10,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 21 [2021-06-06 21:29:10,687 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:29:10,692 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:29:10,693 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:29:10,693 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:68, output treesize:6 [2021-06-06 21:29:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:10,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204798979] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:10,766 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:29:10,766 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25] total 47 [2021-06-06 21:29:10,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463632659] [2021-06-06 21:29:10,766 INFO L462 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-06-06 21:29:10,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:10,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-06-06 21:29:10,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2025, Unknown=0, NotChecked=0, Total=2162 [2021-06-06 21:29:10,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:10,767 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:10,767 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 1.5106382978723405) internal successors, (71), 47 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:29:10,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:10,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:10,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:10,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:10,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:10,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:10,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:10,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:10,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:10,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:29:10,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:29:10,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:12,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:12,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:12,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:12,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:12,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:12,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:12,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:12,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:12,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:12,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:29:12,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:29:12,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:12,696 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-06 21:29:12,697 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:12,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:12,697 INFO L82 PathProgramCache]: Analyzing trace with hash 642864210, now seen corresponding path program 6 times [2021-06-06 21:29:12,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:12,697 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940520300] [2021-06-06 21:29:12,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:12,785 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:12,785 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:12,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940520300] [2021-06-06 21:29:12,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940520300] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:12,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280028604] [2021-06-06 21:29:12,786 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 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 [2021-06-06 21:29:12,827 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-06 21:29:12,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:29:12,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 14 conjunts are in the unsatisfiable core [2021-06-06 21:29:12,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:29:13,028 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:13,028 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280028604] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:13,029 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:29:13,029 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-06-06 21:29:13,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929320323] [2021-06-06 21:29:13,029 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-06-06 21:29:13,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:13,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-06-06 21:29:13,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2021-06-06 21:29:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:13,030 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:13,030 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.814814814814815) internal successors, (76), 27 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) [2021-06-06 21:29:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:29:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:29:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:13,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:13,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:13,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:13,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:13,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:13,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:13,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:13,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:13,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:13,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:13,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:29:13,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:29:13,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:13,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 21:29:13,504 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-06 21:29:13,505 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:13,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:13,505 INFO L82 PathProgramCache]: Analyzing trace with hash 644048819, now seen corresponding path program 7 times [2021-06-06 21:29:13,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:13,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112074530] [2021-06-06 21:29:13,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:14,127 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 19 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:14,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:14,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112074530] [2021-06-06 21:29:14,128 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112074530] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:14,128 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973872618] [2021-06-06 21:29:14,128 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 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 [2021-06-06 21:29:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:14,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 81 conjunts are in the unsatisfiable core [2021-06-06 21:29:14,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:29:15,020 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 47 treesize of output 23 [2021-06-06 21:29:15,021 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:29:15,022 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:29:15,022 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:29:15,022 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:10 [2021-06-06 21:29:15,110 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:15,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973872618] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:15,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:29:15,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28] total 54 [2021-06-06 21:29:15,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455957961] [2021-06-06 21:29:15,110 INFO L462 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-06-06 21:29:15,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:15,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-06-06 21:29:15,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=2598, Unknown=0, NotChecked=0, Total=2862 [2021-06-06 21:29:15,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:15,111 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:15,112 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:29:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:29:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:29:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 21:29:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:29:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:29:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 21:29:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:29:18,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:29:19,202 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:29:19,203 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:19,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:19,203 INFO L82 PathProgramCache]: Analyzing trace with hash 171430837, now seen corresponding path program 8 times [2021-06-06 21:29:19,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:19,203 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960195015] [2021-06-06 21:29:19,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:20,065 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 17 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:20,065 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:20,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960195015] [2021-06-06 21:29:20,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960195015] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:20,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239563595] [2021-06-06 21:29:20,066 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 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 [2021-06-06 21:29:20,108 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 21:29:20,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:29:20,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 94 conjunts are in the unsatisfiable core [2021-06-06 21:29:20,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:29:21,190 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:29:21,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 53 treesize of output 81 [2021-06-06 21:29:21,204 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:29:21,211 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:29:21,212 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:29:21,212 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:59, output treesize:26 [2021-06-06 21:29:21,378 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:21,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239563595] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:21,378 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:29:21,378 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33] total 64 [2021-06-06 21:29:21,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364335744] [2021-06-06 21:29:21,378 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-06-06 21:29:21,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:21,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-06-06 21:29:21,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=470, Invalid=3562, Unknown=0, NotChecked=0, Total=4032 [2021-06-06 21:29:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:21,380 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:21,380 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 1.421875) internal successors, (91), 64 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:29:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:21,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:29:21,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:29:21,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 21:29:21,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:29:21,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:29:21,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:24,099 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2021-06-06 21:29:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:29:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:29:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 21:29:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:29:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:29:26,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 21:29:26,587 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-06 21:29:26,587 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:26,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:26,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1504751320, now seen corresponding path program 9 times [2021-06-06 21:29:26,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:26,587 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592302832] [2021-06-06 21:29:26,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 65 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:26,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:26,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592302832] [2021-06-06 21:29:26,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592302832] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:26,729 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816028105] [2021-06-06 21:29:26,729 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 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 [2021-06-06 21:29:26,774 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-06 21:29:26,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:29:26,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-06 21:29:26,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:29:27,140 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 64 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:27,141 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816028105] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:27,141 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:29:27,141 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 39 [2021-06-06 21:29:27,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34404033] [2021-06-06 21:29:27,141 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-06-06 21:29:27,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:27,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-06-06 21:29:27,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=1164, Unknown=0, NotChecked=0, Total=1482 [2021-06-06 21:29:27,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:27,143 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:27,143 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.5641025641025643) internal successors, (100), 39 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:29:27,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:27,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:27,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:27,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:27,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:27,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:27,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:27,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:29:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:29:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 21:29:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:29:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:29:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 21:29:27,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:29:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:29:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 21:29:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:29:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:29:28,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 21:29:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-06 21:29:29,016 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:29:29,016 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:29,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:29,016 INFO L82 PathProgramCache]: Analyzing trace with hash -11126599, now seen corresponding path program 10 times [2021-06-06 21:29:29,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:29,017 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161339392] [2021-06-06 21:29:29,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:30,367 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 36 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:30,368 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:30,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161339392] [2021-06-06 21:29:30,368 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161339392] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:30,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809493225] [2021-06-06 21:29:30,368 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 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 [2021-06-06 21:29:30,414 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 21:29:30,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:29:30,415 WARN L261 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 117 conjunts are in the unsatisfiable core [2021-06-06 21:29:30,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:29:32,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 29 [2021-06-06 21:29:32,314 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 21:29:32,316 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:29:32,316 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 21:29:32,316 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:10 [2021-06-06 21:29:32,428 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:32,428 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809493225] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:32,428 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 21:29:32,428 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 40] total 78 [2021-06-06 21:29:32,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250625303] [2021-06-06 21:29:32,429 INFO L462 AbstractCegarLoop]: Interpolant automaton has 78 states [2021-06-06 21:29:32,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 21:29:32,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2021-06-06 21:29:32,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=512, Invalid=5494, Unknown=0, NotChecked=0, Total=6006 [2021-06-06 21:29:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:32,430 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 21:29:32,431 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 78 states, 78 states have (on average 1.3205128205128205) internal successors, (103), 78 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-06-06 21:29:32,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 21:29:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 21:29:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 21:29:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 21:29:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-06 21:29:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 21:29:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 21:29:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-06 21:29:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 21:29:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-06 21:29:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-06 21:29:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-06 21:29:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-06 21:29:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-06-06 21:29:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-06-06 21:29:42,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-06-06 21:29:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-06-06 21:29:42,336 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-06-06 21:29:42,336 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 21:29:42,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 21:29:42,337 INFO L82 PathProgramCache]: Analyzing trace with hash -306105925, now seen corresponding path program 11 times [2021-06-06 21:29:42,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 21:29:42,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252694678] [2021-06-06 21:29:42,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 21:29:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 21:29:43,737 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 50 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 21:29:43,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 21:29:43,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252694678] [2021-06-06 21:29:43,738 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252694678] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 21:29:43,738 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778256827] [2021-06-06 21:29:43,738 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 21:29:43,789 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-06-06 21:29:43,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 21:29:43,791 WARN L261 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 129 conjunts are in the unsatisfiable core [2021-06-06 21:29:43,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 21:29:46,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:46,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 21:29:47,079 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-06-06 21:29:47,080 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 21:29:47,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 135 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 55 case distinctions, treesize of input 89 treesize of output 561 [2021-06-06 21:29:47,362 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 922 DAG size of output: 556 [2021-06-06 21:29:47,509 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 941 DAG size of output: 573 [2021-06-06 21:29:48,409 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 2650 DAG size of output: 1480 [2021-06-06 21:29:49,152 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 2660 DAG size of output: 1490 [2021-06-06 21:29:50,937 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 5482 DAG size of output: 2515 [2021-06-06 21:29:52,386 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 5490 DAG size of output: 2523 [2021-06-06 21:29:54,794 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 7565 DAG size of output: 3462 [2021-06-06 21:29:56,920 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 7590 DAG size of output: 3485 [2021-06-06 21:30:08,758 WARN L205 SmtUtils]: Spent 10.41 s on a formula simplification. DAG size of input: 20188 DAG size of output: 9924 [2021-06-06 21:30:20,074 WARN L205 SmtUtils]: Spent 10.88 s on a formula simplification. DAG size of input: 20194 DAG size of output: 9930 [2021-06-06 21:30:34,549 WARN L205 SmtUtils]: Spent 12.22 s on a formula simplification. DAG size of input: 22606 DAG size of output: 11773 [2021-06-06 21:30:47,675 WARN L205 SmtUtils]: Spent 12.81 s on a formula simplification. DAG size of input: 22615 DAG size of output: 11781 [2021-06-06 21:31:12,809 WARN L205 SmtUtils]: Spent 25.05 s on a formula simplification. DAG size of input: 11362 DAG size of output: 12879 [2021-06-06 21:31:21,749 WARN L205 SmtUtils]: Spent 8.83 s on a formula simplification. DAG size of input: 10916 DAG size of output: 10916 [2021-06-06 21:31:24,559 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 2870 DAG size of output: 3136 [2021-06-06 21:31:25,932 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1815 DAG size of output: 1882 [2021-06-06 21:31:26,987 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1905 [2021-06-06 21:31:27,144 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 925 DAG size of output: 925 [2021-06-06 21:31:27,645 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 1023 DAG size of output: 752 [2021-06-06 21:31:28,951 WARN L205 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 3301 DAG size of output: 2601 [2021-06-06 21:31:30,744 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 4464 DAG size of output: 3729 [2021-06-06 21:31:34,592 WARN L205 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 6496 DAG size of output: 5660 [2021-06-06 21:31:39,303 WARN L205 SmtUtils]: Spent 4.66 s on a formula simplification. DAG size of input: 6183 DAG size of output: 6183 [2021-06-06 21:31:42,040 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 2683 DAG size of output: 3090 [2021-06-06 21:31:42,977 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 1306 DAG size of output: 1440 [2021-06-06 21:31:43,302 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1250 [2021-06-06 21:31:43,856 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 349 [2021-06-06 21:31:44,253 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 1455 DAG size of output: 1068 [2021-06-06 21:31:45,053 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 1993 DAG size of output: 1619 [2021-06-06 21:31:47,622 WARN L205 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 4059 DAG size of output: 3531 [2021-06-06 21:31:50,122 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 4516 DAG size of output: 4516 [2021-06-06 21:31:52,216 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 2084 DAG size of output: 2229 [2021-06-06 21:31:52,943 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 2047 DAG size of output: 2047 [2021-06-06 21:31:53,142 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 888 DAG size of output: 888 [2021-06-06 21:31:53,584 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 914 DAG size of output: 531 [2021-06-06 21:31:54,082 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 2270 DAG size of output: 1199 [2021-06-06 21:31:54,485 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 689 DAG size of output: 766 [2021-06-06 21:31:54,714 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 1148 DAG size of output: 816 [2021-06-06 21:31:56,235 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 4934 DAG size of output: 2599 [2021-06-06 21:31:59,076 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 5558 DAG size of output: 3404 [2021-06-06 21:32:00,232 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 2899 DAG size of output: 2899 [2021-06-06 21:32:00,496 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 1059 DAG size of output: 1059 [2021-06-06 21:32:00,666 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 676 [2021-06-06 21:32:00,845 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 670 [2021-06-06 21:32:01,038 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 613 [2021-06-06 21:32:01,207 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 813 DAG size of output: 674 [2021-06-06 21:32:01,700 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 1909 DAG size of output: 1316 [2021-06-06 21:32:02,365 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 2049 DAG size of output: 2049 [2021-06-06 21:32:02,539 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 838 DAG size of output: 838 [2021-06-06 21:32:02,897 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 708 DAG size of output: 767 [2021-06-06 21:32:03,008 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 686 DAG size of output: 686 [2021-06-06 21:32:03,634 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 972 DAG size of output: 868 [2021-06-06 21:32:04,046 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 1501 DAG size of output: 1415 [2021-06-06 21:32:04,491 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 1616 DAG size of output: 1499 [2021-06-06 21:32:05,360 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 1421 DAG size of output: 1556 [2021-06-06 21:32:05,658 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 1369 DAG size of output: 1369 [2021-06-06 21:32:06,765 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 2500 DAG size of output: 1616 [2021-06-06 21:32:07,925 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 3176 DAG size of output: 2260 [2021-06-06 21:32:09,820 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 4569 DAG size of output: 3513 [2021-06-06 21:32:12,731 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 6135 DAG size of output: 4537 [2021-06-06 21:32:19,476 WARN L205 SmtUtils]: Spent 6.72 s on a formula simplification. DAG size of input: 10802 DAG size of output: 7258 [2021-06-06 21:32:30,463 WARN L205 SmtUtils]: Spent 10.94 s on a formula simplification. DAG size of input: 13731 DAG size of output: 9717 [2021-06-06 21:32:33,569 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 2746 DAG size of output: 3095 [2021-06-06 21:32:36,112 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 2662 DAG size of output: 3082 [2021-06-06 21:32:37,644 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 2461 DAG size of output: 2652 [2021-06-06 21:32:38,052 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 894 DAG size of output: 733 [2021-06-06 21:32:39,236 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 2970 DAG size of output: 2795 [2021-06-06 21:32:42,120 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 4669 DAG size of output: 4466 [2021-06-06 21:32:47,020 WARN L205 SmtUtils]: Spent 4.88 s on a formula simplification. DAG size of input: 6230 DAG size of output: 5992 [2021-06-06 21:33:09,554 WARN L205 SmtUtils]: Spent 22.48 s on a formula simplification. DAG size of input: 24439 DAG size of output: 19185 [2021-06-06 21:33:48,453 WARN L205 SmtUtils]: Spent 38.78 s on a formula simplification. DAG size of input: 32339 DAG size of output: 26869 [2021-06-06 21:34:27,438 WARN L205 SmtUtils]: Spent 38.82 s on a formula simplification. DAG size of input: 32339 DAG size of output: 26869 [2021-06-06 21:35:08,750 WARN L205 SmtUtils]: Spent 40.82 s on a formula simplification. DAG size of input: 32342 DAG size of output: 26870 [2021-06-06 21:35:46,510 WARN L205 SmtUtils]: Spent 37.59 s on a formula simplification. DAG size of input: 25974 DAG size of output: 25947 [2021-06-06 21:36:11,030 WARN L205 SmtUtils]: Spent 24.41 s on a formula simplification. DAG size of input: 10772 DAG size of output: 12359 [2021-06-06 21:36:32,274 WARN L205 SmtUtils]: Spent 21.11 s on a formula simplification. DAG size of input: 10157 DAG size of output: 11566 [2021-06-06 21:36:36,326 WARN L205 SmtUtils]: Spent 3.99 s on a formula simplification. DAG size of input: 6128 DAG size of output: 6128 [2021-06-06 21:36:38,470 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 4580 DAG size of output: 4580 [2021-06-06 21:36:39,338 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 905 DAG size of output: 905 [2021-06-06 21:36:39,956 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 2149 DAG size of output: 1235 [2021-06-06 21:36:45,266 WARN L205 SmtUtils]: Spent 5.08 s on a formula simplification. DAG size of input: 13029 DAG size of output: 6607 [2021-06-06 21:36:48,209 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 2602 DAG size of output: 3134 [2021-06-06 21:36:49,200 WARN L205 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 2529 DAG size of output: 2529 [2021-06-06 21:36:49,508 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 1194 DAG size of output: 1194 [2021-06-06 21:36:49,658 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 488 [2021-06-06 21:36:49,818 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 535 [2021-06-06 21:36:49,928 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 423 [2021-06-06 21:36:50,083 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 533 [2021-06-06 21:36:50,506 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 556 [2021-06-06 21:36:50,623 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 352 [2021-06-06 21:36:50,846 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 753 DAG size of output: 685 [2021-06-06 21:36:51,408 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 2247 DAG size of output: 1676 [2021-06-06 21:36:51,566 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 781 DAG size of output: 781 [2021-06-06 21:36:52,319 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 1623 DAG size of output: 1172 [2021-06-06 21:36:52,977 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 1023 DAG size of output: 1195 [2021-06-06 21:36:53,181 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 966 DAG size of output: 966 [2021-06-06 21:36:53,789 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 2133 DAG size of output: 1170 [2021-06-06 21:36:54,628 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 2667 DAG size of output: 1665 [2021-06-06 21:36:56,899 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 5610 DAG size of output: 3901 [2021-06-06 21:37:00,774 WARN L205 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 6915 DAG size of output: 5070 [2021-06-06 21:37:11,382 WARN L205 SmtUtils]: Spent 10.57 s on a formula simplification. DAG size of input: 18102 DAG size of output: 10401 [2021-06-06 21:37:12,373 WARN L205 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 2195 DAG size of output: 2195 [2021-06-06 21:37:12,978 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 1634 DAG size of output: 1634 [2021-06-06 21:37:13,356 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 1365 DAG size of output: 1365 [2021-06-06 21:37:13,535 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 544 [2021-06-06 21:37:13,659 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 745 DAG size of output: 599 [2021-06-06 21:37:13,975 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 539 DAG size of output: 595 [2021-06-06 21:37:14,098 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 578 [2021-06-06 21:37:14,292 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 604 [2021-06-06 21:37:14,412 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 670 DAG size of output: 615 [2021-06-06 21:37:14,884 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 1862 DAG size of output: 1597 [2021-06-06 21:37:15,264 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 400 [2021-06-06 21:37:15,589 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 1272 DAG size of output: 914 [2021-06-06 21:37:16,436 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 2888 DAG size of output: 2320 [2021-06-06 21:37:17,593 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2877 [2021-06-06 21:37:18,567 WARN L205 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 2221 DAG size of output: 2221 [2021-06-06 21:37:19,002 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 1443 DAG size of output: 1443 [2021-06-06 21:37:19,214 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 670 [2021-06-06 21:37:19,364 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 633 [2021-06-06 21:37:19,747 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 927 DAG size of output: 1029 [2021-06-06 21:37:19,993 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 1142 DAG size of output: 1018 [2021-06-06 21:37:20,469 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 1657 DAG size of output: 1535 [2021-06-06 21:37:20,796 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 1078 DAG size of output: 1078 [2021-06-06 21:37:21,015 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 803 DAG size of output: 803 [2021-06-06 21:37:21,236 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 594 [2021-06-06 21:37:21,672 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 998 DAG size of output: 708 [2021-06-06 21:37:22,571 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 1845 DAG size of output: 1369 [2021-06-06 21:37:23,281 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 2134 DAG size of output: 1639 [2021-06-06 21:37:24,476 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 3534 DAG size of output: 2947 [2021-06-06 21:37:51,813 WARN L205 SmtUtils]: Spent 27.26 s on a formula simplification. DAG size of input: 30770 DAG size of output: 21074 [2021-06-06 21:38:36,422 WARN L205 SmtUtils]: Spent 44.47 s on a formula simplification. DAG size of input: 37845 DAG size of output: 27983 [2021-06-06 21:39:23,985 WARN L205 SmtUtils]: Spent 47.35 s on a formula simplification. DAG size of input: 18365 DAG size of output: 19865 [2021-06-06 21:39:24,300 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 774 [2021-06-06 21:39:24,405 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 530 [2021-06-06 21:39:25,050 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 753 [2021-06-06 21:39:25,543 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 1439 DAG size of output: 1070 [2021-06-06 21:39:25,981 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 851 DAG size of output: 946 [2021-06-06 21:39:26,103 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 369 [2021-06-06 21:39:26,630 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 742 [2021-06-06 21:39:27,174 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 1621 DAG size of output: 1457 [2021-06-06 21:39:27,780 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 872 DAG size of output: 977 [2021-06-06 21:39:27,954 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 851 DAG size of output: 851 [2021-06-06 21:39:28,099 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 442 [2021-06-06 21:39:28,943 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 716 [2021-06-06 21:39:30,006 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 2226 DAG size of output: 1666 [2021-06-06 21:39:30,840 WARN L205 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 2833 DAG size of output: 2213 [2021-06-06 21:39:31,280 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 856 DAG size of output: 965 [2021-06-06 21:39:31,602 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 1179 DAG size of output: 1057 [2021-06-06 21:39:33,752 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 3227 DAG size of output: 3227 [2021-06-06 21:39:34,360 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 1428 DAG size of output: 1428 [2021-06-06 21:39:34,597 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 1012 DAG size of output: 1012 [2021-06-06 21:39:34,839 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 851 DAG size of output: 849 [2021-06-06 21:39:34,989 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 832 DAG size of output: 831 [2021-06-06 21:39:35,213 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 1083 DAG size of output: 1003 [2021-06-06 21:39:35,451 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 924 [2021-06-06 21:39:35,589 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 715 DAG size of output: 715 [2021-06-06 21:39:36,030 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 1045 DAG size of output: 700 [2021-06-06 21:39:36,371 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 1555 DAG size of output: 895 [2021-06-06 21:39:37,048 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 2155 DAG size of output: 1458 [2021-06-06 21:39:39,805 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 2304 DAG size of output: 2827 [2021-06-06 21:39:41,618 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 2224 DAG size of output: 2561 [2021-06-06 21:39:41,855 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 959 DAG size of output: 959 [2021-06-06 21:39:42,012 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 791 DAG size of output: 791 [2021-06-06 21:39:42,385 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 942 DAG size of output: 753 [2021-06-06 21:39:42,726 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 1380 DAG size of output: 982 [2021-06-06 21:39:44,092 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 3161 DAG size of output: 2593 [2021-06-06 21:39:46,992 WARN L205 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 4423 DAG size of output: 3694 [2021-06-06 21:39:50,790 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 5902 DAG size of output: 4535 [2021-06-06 21:39:51,156 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 1210 DAG size of output: 1210 [2021-06-06 21:39:51,335 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 673 [2021-06-06 21:39:51,982 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 857 [2021-06-06 21:39:52,577 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 2401 DAG size of output: 1490 [2021-06-06 21:39:53,541 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 2171 DAG size of output: 2171 [2021-06-06 21:39:53,995 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 1553 DAG size of output: 1553 [2021-06-06 21:39:54,110 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 494 [2021-06-06 21:39:54,561 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 894 DAG size of output: 894 [2021-06-06 21:39:55,017 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 1539 DAG size of output: 1081 [2021-06-06 21:39:55,866 WARN L205 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 2564 DAG size of output: 1890 [2021-06-06 21:39:56,220 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 1281 DAG size of output: 1281 [2021-06-06 21:39:56,338 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 698 DAG size of output: 698 [2021-06-06 21:39:57,000 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 1081 DAG size of output: 855 [2021-06-06 21:39:57,147 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 777 DAG size of output: 777 [2021-06-06 21:39:57,515 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 501 [2021-06-06 21:39:57,627 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 487 [2021-06-06 21:39:57,926 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 1171 DAG size of output: 880 [2021-06-06 21:39:58,452 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 2038 DAG size of output: 1531 [2021-06-06 21:39:59,825 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 3988 DAG size of output: 2869 [2021-06-06 21:40:00,151 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 716 DAG size of output: 721 [2021-06-06 21:40:00,486 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 553 [2021-06-06 21:40:00,848 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 948 DAG size of output: 931 [2021-06-06 21:40:04,599 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 3072 DAG size of output: 3534 [2021-06-06 21:40:04,880 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 896 DAG size of output: 782 [2021-06-06 21:40:05,040 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 779 DAG size of output: 721 [2021-06-06 21:40:08,115 WARN L205 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 4018 DAG size of output: 3719 [2021-06-06 21:40:11,857 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 4790 DAG size of output: 4998 [2021-06-06 21:40:14,745 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 5068 DAG size of output: 4842 [2021-06-06 21:40:15,004 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 812 DAG size of output: 812 [2021-06-06 21:40:15,580 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 548 DAG size of output: 548 [2021-06-06 21:40:16,052 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 878 DAG size of output: 673 [2021-06-06 21:40:16,370 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1143 DAG size of output: 787 [2021-06-06 21:40:16,765 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 1679 DAG size of output: 1151 [2021-06-06 21:40:17,232 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 854 DAG size of output: 952 [2021-06-06 21:40:17,372 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 378 [2021-06-06 21:40:17,482 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 360 [2021-06-06 21:40:17,591 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 354 [2021-06-06 21:40:17,834 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 796 DAG size of output: 689 [2021-06-06 21:40:18,087 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 1037 DAG size of output: 908 [2021-06-06 21:40:18,718 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 1723 DAG size of output: 1619 [2021-06-06 21:41:09,615 WARN L205 SmtUtils]: Spent 50.77 s on a formula simplification. DAG size of input: 43257 DAG size of output: 36396 [2021-06-06 21:42:54,974 WARN L205 SmtUtils]: Spent 1.75 m on a formula simplification. DAG size of input: 75977 DAG size of output: 59394 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown