java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c372c2b [2018-10-02 12:30:46,438 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 12:30:46,440 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 12:30:46,458 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 12:30:46,458 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 12:30:46,460 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 12:30:46,461 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 12:30:46,464 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 12:30:46,466 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 12:30:46,467 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 12:30:46,468 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 12:30:46,468 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 12:30:46,469 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 12:30:46,470 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 12:30:46,471 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 12:30:46,472 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 12:30:46,473 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 12:30:46,475 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 12:30:46,477 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 12:30:46,478 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 12:30:46,479 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 12:30:46,481 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 12:30:46,483 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 12:30:46,483 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 12:30:46,484 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 12:30:46,485 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 12:30:46,486 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 12:30:46,486 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 12:30:46,487 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 12:30:46,488 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 12:30:46,488 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 12:30:46,489 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 12:30:46,490 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 12:30:46,490 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 12:30:46,491 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 12:30:46,492 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 12:30:46,492 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-02 12:30:46,523 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 12:30:46,524 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 12:30:46,524 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 12:30:46,525 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 12:30:46,525 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 12:30:46,526 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 12:30:46,527 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 12:30:46,527 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 12:30:46,527 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 12:30:46,527 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 12:30:46,527 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 12:30:46,528 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 12:30:46,528 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 12:30:46,528 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 12:30:46,528 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 12:30:46,528 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 12:30:46,530 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 12:30:46,530 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 12:30:46,530 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 12:30:46,530 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 12:30:46,530 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 12:30:46,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 12:30:46,531 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 12:30:46,531 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 12:30:46,531 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 12:30:46,532 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 12:30:46,532 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 12:30:46,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 12:30:46,532 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 12:30:46,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 12:30:46,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 12:30:46,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 12:30:46,613 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 12:30:46,615 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 12:30:46,616 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl [2018-10-02 12:30:46,616 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl' [2018-10-02 12:30:46,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 12:30:46,698 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 12:30:46,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 12:30:46,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 12:30:46,699 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 12:30:46,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:46" (1/1) ... [2018-10-02 12:30:46,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:46" (1/1) ... [2018-10-02 12:30:46,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 12:30:46,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 12:30:46,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 12:30:46,743 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 12:30:46,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:46" (1/1) ... [2018-10-02 12:30:46,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:46" (1/1) ... [2018-10-02 12:30:46,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:46" (1/1) ... [2018-10-02 12:30:46,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:46" (1/1) ... [2018-10-02 12:30:46,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:46" (1/1) ... [2018-10-02 12:30:46,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:46" (1/1) ... [2018-10-02 12:30:46,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:46" (1/1) ... [2018-10-02 12:30:46,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 12:30:46,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 12:30:46,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 12:30:46,766 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 12:30:46,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:30:46" (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:10000 (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:10000 [2018-10-02 12:30:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure l1l0 [2018-10-02 12:30:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l0 [2018-10-02 12:30:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure l0l1 [2018-10-02 12:30:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l1 [2018-10-02 12:30:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure l0l0 [2018-10-02 12:30:46,828 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l0 [2018-10-02 12:30:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-02 12:30:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-02 12:30:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure l1l1 [2018-10-02 12:30:46,829 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l1 [2018-10-02 12:30:47,489 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-02 12:30:47,489 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:30:47 BoogieIcfgContainer [2018-10-02 12:30:47,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 12:30:47,490 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 12:30:47,490 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 12:30:47,499 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 12:30:47,500 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:30:47" (1/1) ... [2018-10-02 12:30:47,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 12:30:47,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:47,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-10-02 12:30:47,555 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-10-02 12:30:47,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:30:47,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:48,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:48,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-10-02 12:30:48,299 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-10-02 12:30:48,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:30:48,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:48,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:49,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:49,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-10-02 12:30:49,409 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-10-02 12:30:49,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:30:49,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:49,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:50,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:50,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2018-10-02 12:30:50,526 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2018-10-02 12:30:50,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:30:50,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:50,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:50,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2018-10-02 12:30:50,781 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2018-10-02 12:30:50,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:30:50,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:50,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-02 12:30:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:50,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 114 transitions. [2018-10-02 12:30:50,861 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2018-10-02 12:30:50,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:30:50,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:50,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:50,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 118 transitions. [2018-10-02 12:30:50,965 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 118 transitions. [2018-10-02 12:30:50,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:30:50,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:51,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:51,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 132 transitions. [2018-10-02 12:30:51,845 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 132 transitions. [2018-10-02 12:30:51,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:30:51,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:52,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:52,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 67 states and 141 transitions. [2018-10-02 12:30:52,160 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 141 transitions. [2018-10-02 12:30:52,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:30:52,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:52,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 147 transitions. [2018-10-02 12:30:52,541 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 147 transitions. [2018-10-02 12:30:52,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:30:52,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:52,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-02 12:30:52,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:52,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 149 transitions. [2018-10-02 12:30:52,608 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 149 transitions. [2018-10-02 12:30:52,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:30:52,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:52,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:52,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:52,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 72 states and 149 transitions. [2018-10-02 12:30:52,726 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 149 transitions. [2018-10-02 12:30:52,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:30:52,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:52,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:53,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 158 transitions. [2018-10-02 12:30:53,005 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 158 transitions. [2018-10-02 12:30:53,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 12:30:53,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:53,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:54,312 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-02 12:30:55,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:55,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 83 states and 181 transitions. [2018-10-02 12:30:55,121 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 181 transitions. [2018-10-02 12:30:55,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 12:30:55,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:55,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:57,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:57,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 90 states and 205 transitions. [2018-10-02 12:30:57,087 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 205 transitions. [2018-10-02 12:30:57,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:30:57,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:57,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:30:59,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:30:59,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 96 states and 226 transitions. [2018-10-02 12:30:59,493 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 226 transitions. [2018-10-02 12:30:59,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:30:59,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:30:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:30:59,716 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:01,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:01,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 99 states and 240 transitions. [2018-10-02 12:31:01,286 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 240 transitions. [2018-10-02 12:31:01,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:31:01,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:01,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:01,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:01,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 100 states and 243 transitions. [2018-10-02 12:31:01,987 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 243 transitions. [2018-10-02 12:31:01,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:31:01,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:02,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:02,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:02,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 102 states and 249 transitions. [2018-10-02 12:31:02,586 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 249 transitions. [2018-10-02 12:31:02,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:31:02,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:02,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:03,371 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-02 12:31:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:03,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 104 states and 255 transitions. [2018-10-02 12:31:03,800 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 255 transitions. [2018-10-02 12:31:03,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:31:03,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:03,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:03,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:04,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:04,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 108 states and 269 transitions. [2018-10-02 12:31:04,604 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 269 transitions. [2018-10-02 12:31:04,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:04,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:04,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:06,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 115 states and 293 transitions. [2018-10-02 12:31:06,808 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 293 transitions. [2018-10-02 12:31:06,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:06,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:07,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:07,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:07,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 295 transitions. [2018-10-02 12:31:07,255 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 295 transitions. [2018-10-02 12:31:07,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:07,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:07,439 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:08,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:08,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 121 states and 310 transitions. [2018-10-02 12:31:08,647 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 310 transitions. [2018-10-02 12:31:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:08,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:08,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:10,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:10,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 128 states and 333 transitions. [2018-10-02 12:31:10,036 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 333 transitions. [2018-10-02 12:31:10,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:10,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:10,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:12,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 136 states and 353 transitions. [2018-10-02 12:31:12,537 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 353 transitions. [2018-10-02 12:31:12,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:12,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:12,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:12,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:12,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 137 states and 354 transitions. [2018-10-02 12:31:12,642 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 354 transitions. [2018-10-02 12:31:12,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:12,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:12,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:13,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:13,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 140 states and 359 transitions. [2018-10-02 12:31:13,041 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 359 transitions. [2018-10-02 12:31:13,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:13,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:13,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 146 states and 374 transitions. [2018-10-02 12:31:14,185 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 374 transitions. [2018-10-02 12:31:14,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:14,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:14,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:14,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:14,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 147 states and 374 transitions. [2018-10-02 12:31:14,473 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 374 transitions. [2018-10-02 12:31:14,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:14,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:14,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-02 12:31:14,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:14,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 148 states and 377 transitions. [2018-10-02 12:31:14,617 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 377 transitions. [2018-10-02 12:31:14,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:14,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:15,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:17,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:17,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 154 states and 395 transitions. [2018-10-02 12:31:17,178 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 395 transitions. [2018-10-02 12:31:17,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:17,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:17,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:17,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 155 states and 396 transitions. [2018-10-02 12:31:17,506 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 396 transitions. [2018-10-02 12:31:17,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:17,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:17,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:19,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:19,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 160 states and 411 transitions. [2018-10-02 12:31:19,355 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 411 transitions. [2018-10-02 12:31:19,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:19,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:19,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-02 12:31:19,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:19,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 162 states and 414 transitions. [2018-10-02 12:31:19,926 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 414 transitions. [2018-10-02 12:31:19,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:19,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:20,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:20,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:20,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 165 states and 426 transitions. [2018-10-02 12:31:20,858 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 426 transitions. [2018-10-02 12:31:20,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:20,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:22,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:22,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 168 states and 440 transitions. [2018-10-02 12:31:22,517 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 440 transitions. [2018-10-02 12:31:22,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:22,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:24,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 172 states and 449 transitions. [2018-10-02 12:31:24,757 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 449 transitions. [2018-10-02 12:31:24,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:24,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:25,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:25,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 174 states and 455 transitions. [2018-10-02 12:31:25,828 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 455 transitions. [2018-10-02 12:31:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:31:25,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:26,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:26,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 175 states and 460 transitions. [2018-10-02 12:31:26,605 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 460 transitions. [2018-10-02 12:31:26,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 12:31:26,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:26,672 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:27,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:27,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 177 states and 468 transitions. [2018-10-02 12:31:27,447 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 468 transitions. [2018-10-02 12:31:27,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:31:27,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-02 12:31:29,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:29,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 180 states and 477 transitions. [2018-10-02 12:31:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 477 transitions. [2018-10-02 12:31:29,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:31:29,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:29,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-02 12:31:30,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 180 states and 476 transitions. [2018-10-02 12:31:30,414 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 476 transitions. [2018-10-02 12:31:30,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:31:30,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-02 12:31:31,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:31,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 180 states and 475 transitions. [2018-10-02 12:31:31,036 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 475 transitions. [2018-10-02 12:31:31,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 12:31:31,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:31,155 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:32,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:32,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 182 states and 483 transitions. [2018-10-02 12:31:32,166 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 483 transitions. [2018-10-02 12:31:32,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:31:32,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:32,179 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-02 12:31:34,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:34,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 185 states and 492 transitions. [2018-10-02 12:31:34,395 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 492 transitions. [2018-10-02 12:31:34,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:31:34,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:35,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:38,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:38,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 189 states and 514 transitions. [2018-10-02 12:31:38,846 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 514 transitions. [2018-10-02 12:31:38,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:31:38,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:38,900 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:41,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:41,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 193 states and 537 transitions. [2018-10-02 12:31:41,604 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 537 transitions. [2018-10-02 12:31:41,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:31:41,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:42,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:47,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:47,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 199 states and 565 transitions. [2018-10-02 12:31:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 565 transitions. [2018-10-02 12:31:47,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:31:47,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:47,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:49,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:49,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 202 states and 572 transitions. [2018-10-02 12:31:49,629 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 572 transitions. [2018-10-02 12:31:49,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:31:49,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:49,857 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:50,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 207 states and 587 transitions. [2018-10-02 12:31:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 587 transitions. [2018-10-02 12:31:50,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:31:50,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:31:53,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:31:53,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 213 states and 607 transitions. [2018-10-02 12:31:53,996 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 607 transitions. [2018-10-02 12:31:54,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:31:54,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:31:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:31:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:00,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:00,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 217 states and 629 transitions. [2018-10-02 12:32:00,470 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 629 transitions. [2018-10-02 12:32:00,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:32:00,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:00,772 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:03,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:03,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 221 states and 652 transitions. [2018-10-02 12:32:03,909 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 652 transitions. [2018-10-02 12:32:03,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:32:03,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:07,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 225 states and 667 transitions. [2018-10-02 12:32:07,843 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 667 transitions. [2018-10-02 12:32:07,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:32:07,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:08,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:08,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:08,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 226 states and 669 transitions. [2018-10-02 12:32:08,528 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 669 transitions. [2018-10-02 12:32:08,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:32:08,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:08,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:12,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:12,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 231 states and 689 transitions. [2018-10-02 12:32:12,843 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 689 transitions. [2018-10-02 12:32:12,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:32:12,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:12,863 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:13,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:13,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 232 states and 693 transitions. [2018-10-02 12:32:13,634 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 693 transitions. [2018-10-02 12:32:13,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:32:13,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:13,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:16,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:16,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 236 states and 712 transitions. [2018-10-02 12:32:16,807 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 712 transitions. [2018-10-02 12:32:16,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:32:16,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:16,909 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:19,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 239 states and 729 transitions. [2018-10-02 12:32:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 729 transitions. [2018-10-02 12:32:19,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:32:19,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:19,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:22,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:22,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 243 states and 748 transitions. [2018-10-02 12:32:22,561 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 748 transitions. [2018-10-02 12:32:22,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:32:22,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:22,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:23,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:23,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 245 states and 752 transitions. [2018-10-02 12:32:23,768 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 752 transitions. [2018-10-02 12:32:23,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:32:23,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:24,074 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 246 states and 756 transitions. [2018-10-02 12:32:27,110 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 756 transitions. [2018-10-02 12:32:27,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:32:27,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:27,826 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:32,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:32,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 252 states and 783 transitions. [2018-10-02 12:32:32,301 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 783 transitions. [2018-10-02 12:32:32,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:32:32,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:33,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:40,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 261 states and 826 transitions. [2018-10-02 12:32:40,619 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 826 transitions. [2018-10-02 12:32:40,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:32:40,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:40,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:41,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 262 states and 834 transitions. [2018-10-02 12:32:41,477 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 834 transitions. [2018-10-02 12:32:41,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:32:41,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:42,498 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:44,268 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 20 [2018-10-02 12:32:52,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:52,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 274 states and 894 transitions. [2018-10-02 12:32:52,488 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 894 transitions. [2018-10-02 12:32:52,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:32:52,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:32:54,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:32:54,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 276 states and 902 transitions. [2018-10-02 12:32:54,224 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 902 transitions. [2018-10-02 12:32:54,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:32:54,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:32:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:32:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:04,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:04,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 284 states and 937 transitions. [2018-10-02 12:33:04,942 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 937 transitions. [2018-10-02 12:33:04,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:33:04,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:04,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:05,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:05,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 285 states and 945 transitions. [2018-10-02 12:33:05,860 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 945 transitions. [2018-10-02 12:33:05,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:33:05,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:09,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:09,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 289 states and 976 transitions. [2018-10-02 12:33:09,362 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 976 transitions. [2018-10-02 12:33:09,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:33:09,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:09,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:10,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:10,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 292 states and 991 transitions. [2018-10-02 12:33:10,432 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 991 transitions. [2018-10-02 12:33:10,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:33:10,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:10,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 294 states and 1003 transitions. [2018-10-02 12:33:10,547 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 1003 transitions. [2018-10-02 12:33:10,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:33:10,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:11,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:13,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 297 states and 1014 transitions. [2018-10-02 12:33:13,300 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 1014 transitions. [2018-10-02 12:33:13,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:33:13,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:13,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:13,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:13,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 298 states and 1015 transitions. [2018-10-02 12:33:13,415 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 1015 transitions. [2018-10-02 12:33:13,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:33:13,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:13,445 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-02 12:33:14,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:14,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 299 states and 1015 transitions. [2018-10-02 12:33:14,537 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 1015 transitions. [2018-10-02 12:33:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:33:14,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:15,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:24,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:24,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 305 states and 1035 transitions. [2018-10-02 12:33:24,176 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1035 transitions. [2018-10-02 12:33:24,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:33:24,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:24,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:33,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:33,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 313 states and 1075 transitions. [2018-10-02 12:33:33,172 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1075 transitions. [2018-10-02 12:33:33,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:33:33,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:34,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:34,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 314 states and 1077 transitions. [2018-10-02 12:33:34,705 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1077 transitions. [2018-10-02 12:33:34,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:33:34,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:35,173 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:39,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:39,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 316 states and 1083 transitions. [2018-10-02 12:33:39,497 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 1083 transitions. [2018-10-02 12:33:39,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:33:39,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:39,671 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:42,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:42,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 318 states and 1086 transitions. [2018-10-02 12:33:42,049 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 1086 transitions. [2018-10-02 12:33:42,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:33:42,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:42,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:48,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:48,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 322 states and 1094 transitions. [2018-10-02 12:33:48,194 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 1094 transitions. [2018-10-02 12:33:48,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:33:48,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:48,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:33:51,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:33:51,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 324 states and 1108 transitions. [2018-10-02 12:33:51,482 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1108 transitions. [2018-10-02 12:33:51,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:33:51,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:33:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:33:52,701 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:04,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:04,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 333 states and 1155 transitions. [2018-10-02 12:34:04,106 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 1155 transitions. [2018-10-02 12:34:04,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:34:04,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:05,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:05,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 333 states and 1150 transitions. [2018-10-02 12:34:05,642 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 1150 transitions. [2018-10-02 12:34:05,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:34:05,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:05,710 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:08,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:08,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 335 states and 1154 transitions. [2018-10-02 12:34:08,157 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1154 transitions. [2018-10-02 12:34:08,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:34:08,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:08,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:08,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:08,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 336 states and 1157 transitions. [2018-10-02 12:34:08,836 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1157 transitions. [2018-10-02 12:34:08,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:34:08,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:08,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:13,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:13,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 340 states and 1188 transitions. [2018-10-02 12:34:13,408 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 1188 transitions. [2018-10-02 12:34:13,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:34:13,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:13,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:16,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:16,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 342 states and 1197 transitions. [2018-10-02 12:34:16,224 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 1197 transitions. [2018-10-02 12:34:16,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:34:16,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:16,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:18,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 344 states and 1206 transitions. [2018-10-02 12:34:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 1206 transitions. [2018-10-02 12:34:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:34:18,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:18,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:22,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:22,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 346 states and 1211 transitions. [2018-10-02 12:34:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 1211 transitions. [2018-10-02 12:34:22,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:34:22,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:23,638 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:36,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:36,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 356 states and 1254 transitions. [2018-10-02 12:34:36,085 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 1254 transitions. [2018-10-02 12:34:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:34:36,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:43,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:43,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 362 states and 1295 transitions. [2018-10-02 12:34:43,795 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 1295 transitions. [2018-10-02 12:34:43,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:34:43,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:44,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:45,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 363 states and 1295 transitions. [2018-10-02 12:34:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1295 transitions. [2018-10-02 12:34:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:34:45,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:46,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:46,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 364 states and 1311 transitions. [2018-10-02 12:34:46,662 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 1311 transitions. [2018-10-02 12:34:46,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:34:46,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:49,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 368 states and 1327 transitions. [2018-10-02 12:34:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 1327 transitions. [2018-10-02 12:34:49,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:34:49,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:49,246 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:34:50,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:34:50,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 369 states and 1333 transitions. [2018-10-02 12:34:50,713 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 1333 transitions. [2018-10-02 12:34:50,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 12:34:50,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:34:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:34:52,978 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. Received shutdown request... [2018-10-02 12:35:00,689 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-02 12:35:00,691 INFO L168 Benchmark]: Toolchain (without parser) took 253996.16 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 342.3 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-10-02 12:35:00,692 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:35:00,693 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.46 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:35:00,693 INFO L168 Benchmark]: Boogie Preprocessor took 23.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:35:00,694 INFO L168 Benchmark]: RCFGBuilder took 723.99 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-02 12:35:00,694 INFO L168 Benchmark]: CodeCheck took 253200.39 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 321.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-10-02 12:35:00,698 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1246 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.46 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 723.99 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 253200.39 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 321.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product_WithProcedures.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-02_12-35-00-713.csv Completed graceful shutdown