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_PUPT.epf -i ../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 11:44:46,047 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 11:44:46,049 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 11:44:46,061 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 11:44:46,061 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 11:44:46,062 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 11:44:46,063 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 11:44:46,065 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 11:44:46,066 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 11:44:46,067 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 11:44:46,068 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 11:44:46,068 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 11:44:46,069 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 11:44:46,070 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 11:44:46,071 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 11:44:46,072 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 11:44:46,073 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 11:44:46,074 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 11:44:46,076 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 11:44:46,078 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 11:44:46,079 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 11:44:46,083 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 11:44:46,085 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 11:44:46,085 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 11:44:46,085 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 11:44:46,088 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 11:44:46,089 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 11:44:46,092 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 11:44:46,092 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 11:44:46,093 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 11:44:46,094 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 11:44:46,094 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 11:44:46,095 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 11:44:46,096 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 11:44:46,096 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 11:44:46,097 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 11:44:46,101 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-30 11:44:46,116 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 11:44:46,117 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 11:44:46,117 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 11:44:46,118 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 11:44:46,118 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 11:44:46,118 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 11:44:46,119 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 11:44:46,119 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 11:44:46,119 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 11:44:46,119 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 11:44:46,119 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 11:44:46,120 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 11:44:46,120 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 11:44:46,120 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 11:44:46,120 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 11:44:46,120 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 11:44:46,121 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 11:44:46,121 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 11:44:46,121 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 11:44:46,121 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 11:44:46,121 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 11:44:46,122 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 11:44:46,122 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:44:46,122 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 11:44:46,122 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 11:44:46,122 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 11:44:46,123 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 11:44:46,123 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 11:44:46,123 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 11:44:46,123 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 11:44:46,171 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 11:44:46,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 11:44:46,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 11:44:46,188 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 11:44:46,189 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 11:44:46,190 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl [2018-09-30 11:44:46,190 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl' [2018-09-30 11:44:46,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 11:44:46,243 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 11:44:46,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 11:44:46,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 11:44:46,244 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 11:44:46,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:44:46" (1/1) ... [2018-09-30 11:44:46,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:44:46" (1/1) ... [2018-09-30 11:44:46,281 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 11:44:46,281 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 11:44:46,281 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 11:44:46,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 11:44:46,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 11:44:46,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 11:44:46,284 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 11:44:46,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:44:46" (1/1) ... [2018-09-30 11:44:46,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:44:46" (1/1) ... [2018-09-30 11:44:46,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:44:46" (1/1) ... [2018-09-30 11:44:46,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:44:46" (1/1) ... [2018-09-30 11:44:46,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:44:46" (1/1) ... [2018-09-30 11:44:46,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:44:46" (1/1) ... [2018-09-30 11:44:46,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:44:46" (1/1) ... [2018-09-30 11:44:46,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 11:44:46,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 11:44:46,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 11:44:46,305 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 11:44:46,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:44:46" (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 [2018-09-30 11:44:46,376 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-30 11:44:46,376 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-30 11:44:46,376 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-30 11:44:46,863 INFO L345 CfgBuilder]: Using library mode [2018-09-30 11:44:46,864 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:44:46 BoogieIcfgContainer [2018-09-30 11:44:46,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 11:44:46,865 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 11:44:46,865 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 11:44:46,882 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 11:44:46,883 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:44:46" (1/1) ... [2018-09-30 11:44:46,923 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 11:44:46,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:44:46,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-09-30 11:44:46,975 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-09-30 11:44:46,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 11:44:46,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:44:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:44:47,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:44:48,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:44:48,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 20 states and 34 transitions. [2018-09-30 11:44:48,067 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 34 transitions. [2018-09-30 11:44:48,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 11:44:48,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:44:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:44:48,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:44:48,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:44:48,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 44 transitions. [2018-09-30 11:44:48,861 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 44 transitions. [2018-09-30 11:44:48,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 11:44:48,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:44:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:44:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:44:49,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:44:49,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 25 states and 51 transitions. [2018-09-30 11:44:49,607 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 51 transitions. [2018-09-30 11:44:49,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 11:44:49,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:44:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:44:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:44:50,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:44:50,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2018-09-30 11:44:50,925 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2018-09-30 11:44:50,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 11:44:50,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:44:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:44:51,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:44:52,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:44:52,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 31 states and 76 transitions. [2018-09-30 11:44:52,182 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 76 transitions. [2018-09-30 11:44:52,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:44:52,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:44:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:44:52,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:44:53,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:44:53,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 32 states and 84 transitions. [2018-09-30 11:44:53,571 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 84 transitions. [2018-09-30 11:44:53,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:44:53,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:44:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:44:53,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:44:54,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:44:54,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 33 states and 92 transitions. [2018-09-30 11:44:54,319 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 92 transitions. [2018-09-30 11:44:54,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:44:54,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:44:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:44:54,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:44:57,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:44:57,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 37 states and 112 transitions. [2018-09-30 11:44:57,744 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 112 transitions. [2018-09-30 11:44:57,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:44:57,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:44:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:44:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:44:59,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:44:59,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 38 states and 117 transitions. [2018-09-30 11:44:59,416 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 117 transitions. [2018-09-30 11:44:59,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:44:59,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:44:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:44:59,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:02,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:02,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 45 states and 148 transitions. [2018-09-30 11:45:02,514 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 148 transitions. [2018-09-30 11:45:02,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:02,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:02,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:04,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:04,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 49 states and 175 transitions. [2018-09-30 11:45:04,543 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 175 transitions. [2018-09-30 11:45:04,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:04,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:04,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:06,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:06,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 53 states and 192 transitions. [2018-09-30 11:45:06,538 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 192 transitions. [2018-09-30 11:45:06,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:06,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:07,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:07,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 54 states and 199 transitions. [2018-09-30 11:45:07,163 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 199 transitions. [2018-09-30 11:45:07,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:07,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:07,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:07,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:07,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 56 states and 203 transitions. [2018-09-30 11:45:07,440 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 203 transitions. [2018-09-30 11:45:07,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:07,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:07,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:09,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:09,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 59 states and 221 transitions. [2018-09-30 11:45:09,415 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 221 transitions. [2018-09-30 11:45:09,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:09,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:09,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:11,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:11,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 62 states and 234 transitions. [2018-09-30 11:45:11,868 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 234 transitions. [2018-09-30 11:45:11,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:11,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:13,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 63 states and 239 transitions. [2018-09-30 11:45:13,014 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 239 transitions. [2018-09-30 11:45:13,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:13,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:13,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:16,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:16,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 67 states and 259 transitions. [2018-09-30 11:45:16,608 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 259 transitions. [2018-09-30 11:45:16,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:16,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:16,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:19,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 70 states and 280 transitions. [2018-09-30 11:45:19,111 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 280 transitions. [2018-09-30 11:45:19,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:19,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:19,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:21,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:21,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 73 states and 304 transitions. [2018-09-30 11:45:21,429 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 304 transitions. [2018-09-30 11:45:21,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:21,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:22,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:26,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:26,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 77 states and 336 transitions. [2018-09-30 11:45:26,632 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 336 transitions. [2018-09-30 11:45:26,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:26,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:27,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:31,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:31,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 81 states and 370 transitions. [2018-09-30 11:45:31,720 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 370 transitions. [2018-09-30 11:45:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:31,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:34,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:34,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 84 states and 384 transitions. [2018-09-30 11:45:34,655 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 384 transitions. [2018-09-30 11:45:34,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:34,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:34,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:36,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 86 states and 402 transitions. [2018-09-30 11:45:36,883 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 402 transitions. [2018-09-30 11:45:36,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:36,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:36,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:38,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:38,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 88 states and 407 transitions. [2018-09-30 11:45:38,853 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 407 transitions. [2018-09-30 11:45:38,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:38,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:38,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:41,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:41,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 90 states and 413 transitions. [2018-09-30 11:45:41,083 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 413 transitions. [2018-09-30 11:45:41,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:41,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 93 states and 447 transitions. [2018-09-30 11:45:44,446 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 447 transitions. [2018-09-30 11:45:44,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:44,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:46,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 94 states and 454 transitions. [2018-09-30 11:45:46,310 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 454 transitions. [2018-09-30 11:45:46,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:46,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:46,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:48,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:48,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 96 states and 466 transitions. [2018-09-30 11:45:48,732 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 466 transitions. [2018-09-30 11:45:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:48,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:51,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:51,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 98 states and 469 transitions. [2018-09-30 11:45:51,321 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 469 transitions. [2018-09-30 11:45:51,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:51,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:51,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:55,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:55,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 100 states and 477 transitions. [2018-09-30 11:45:55,182 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 477 transitions. [2018-09-30 11:45:55,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:45:55,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:55,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:56,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:56,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 101 states and 481 transitions. [2018-09-30 11:45:56,953 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 481 transitions. [2018-09-30 11:45:56,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:45:56,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:57,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:03,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:03,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 106 states and 522 transitions. [2018-09-30 11:46:03,914 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 522 transitions. [2018-09-30 11:46:03,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:46:03,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:05,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:05,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 107 states and 531 transitions. [2018-09-30 11:46:05,650 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 531 transitions. [2018-09-30 11:46:05,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:46:05,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:06,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:13,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:13,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 112 states and 568 transitions. [2018-09-30 11:46:13,082 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 568 transitions. [2018-09-30 11:46:13,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:46:13,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:13,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:21,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:21,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 116 states and 592 transitions. [2018-09-30 11:46:21,079 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 592 transitions. [2018-09-30 11:46:21,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:46:21,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:22,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:27,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:27,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 119 states and 613 transitions. [2018-09-30 11:46:27,946 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 613 transitions. [2018-09-30 11:46:27,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:46:27,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:27,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:30,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:30,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 120 states and 621 transitions. [2018-09-30 11:46:30,367 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 621 transitions. [2018-09-30 11:46:30,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:46:30,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:30,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:33,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:33,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 121 states and 629 transitions. [2018-09-30 11:46:33,394 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 629 transitions. [2018-09-30 11:46:33,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:46:33,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:37,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:37,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 123 states and 653 transitions. [2018-09-30 11:46:37,359 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 653 transitions. [2018-09-30 11:46:37,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:46:37,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:37,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:42,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:42,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 126 states and 674 transitions. [2018-09-30 11:46:42,869 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 674 transitions. [2018-09-30 11:46:42,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:46:42,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:43,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:49,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:49,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 129 states and 700 transitions. [2018-09-30 11:46:49,980 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 700 transitions. [2018-09-30 11:46:49,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:46:49,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:50,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:54,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:54,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 131 states and 709 transitions. [2018-09-30 11:46:54,563 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 709 transitions. [2018-09-30 11:46:54,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:46:54,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:54,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:58,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:58,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 133 states and 728 transitions. [2018-09-30 11:46:58,917 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 728 transitions. [2018-09-30 11:46:58,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:46:58,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:47:01,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:47:01,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 134 states and 735 transitions. [2018-09-30 11:47:01,837 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 735 transitions. [2018-09-30 11:47:01,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:47:01,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:47:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:47:02,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:47:09,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:47:09,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 137 states and 754 transitions. [2018-09-30 11:47:09,378 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 754 transitions. [2018-09-30 11:47:09,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:47:09,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:47:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:47:09,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:47:12,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:47:12,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 138 states and 758 transitions. [2018-09-30 11:47:12,416 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 758 transitions. [2018-09-30 11:47:12,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:47:12,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:47:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:47:13,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:47:18,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:47:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 138 states and 757 transitions. [2018-09-30 11:47:18,671 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 757 transitions. [2018-09-30 11:47:18,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:47:18,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:47:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:47:19,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:47:26,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:47:26,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 139 states and 750 transitions. [2018-09-30 11:47:26,071 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 750 transitions. [2018-09-30 11:47:26,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:47:26,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:47:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:47:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:47:36,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:47:36,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 144 states and 790 transitions. [2018-09-30 11:47:36,778 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 790 transitions. [2018-09-30 11:47:36,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:47:36,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:47:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:47:38,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:47:51,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:47:51,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 147 states and 825 transitions. [2018-09-30 11:47:51,051 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 825 transitions. [2018-09-30 11:47:51,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:47:51,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:47:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:47:51,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:47:57,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:47:57,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 148 states and 835 transitions. [2018-09-30 11:47:57,750 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 835 transitions. [2018-09-30 11:47:57,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:47:57,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:47:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:47:57,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:48:01,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:48:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 149 states and 843 transitions. [2018-09-30 11:48:01,378 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 843 transitions. [2018-09-30 11:48:01,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:48:01,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:48:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:48:01,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:48:05,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:48:05,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 150 states and 854 transitions. [2018-09-30 11:48:05,942 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 854 transitions. [2018-09-30 11:48:05,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:48:05,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:48:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:48:06,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:48:09,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:48:09,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 151 states and 864 transitions. [2018-09-30 11:48:09,872 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 864 transitions. [2018-09-30 11:48:09,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:48:09,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:48:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:48:10,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:48:14,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:48:14,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 152 states and 879 transitions. [2018-09-30 11:48:14,373 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 879 transitions. [2018-09-30 11:48:14,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:48:14,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:48:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:48:14,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:48:20,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:48:20,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 155 states and 906 transitions. [2018-09-30 11:48:20,504 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 906 transitions. [2018-09-30 11:48:20,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:48:20,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:48:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:48:20,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:48:29,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:48:29,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 157 states and 911 transitions. [2018-09-30 11:48:29,110 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 911 transitions. [2018-09-30 11:48:29,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:48:29,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:48:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:48:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:48:37,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:48:37,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 158 states and 913 transitions. [2018-09-30 11:48:37,837 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 913 transitions. [2018-09-30 11:48:37,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:48:37,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:48:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:48:38,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:48:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:48:46,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 158 states and 912 transitions. [2018-09-30 11:48:46,958 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 912 transitions. [2018-09-30 11:48:46,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:48:46,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:48:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:48:47,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:49:03,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:03,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 163 states and 951 transitions. [2018-09-30 11:49:03,695 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 951 transitions. [2018-09-30 11:49:03,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:49:03,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:06,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown