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.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-bd42740 [2018-09-23 21:50:56,050 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 21:50:56,052 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 21:50:56,064 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 21:50:56,065 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 21:50:56,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 21:50:56,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 21:50:56,069 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 21:50:56,071 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 21:50:56,072 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 21:50:56,073 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 21:50:56,073 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 21:50:56,074 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 21:50:56,075 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 21:50:56,076 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 21:50:56,077 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 21:50:56,078 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 21:50:56,080 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 21:50:56,082 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 21:50:56,083 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 21:50:56,084 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 21:50:56,086 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 21:50:56,088 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 21:50:56,089 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 21:50:56,089 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 21:50:56,090 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 21:50:56,091 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 21:50:56,092 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 21:50:56,093 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 21:50:56,094 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 21:50:56,094 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 21:50:56,095 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 21:50:56,095 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 21:50:56,096 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 21:50:56,097 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 21:50:56,097 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 21:50:56,098 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 [2018-09-23 21:50:56,114 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 21:50:56,114 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 21:50:56,115 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 21:50:56,115 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 21:50:56,116 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 21:50:56,116 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 21:50:56,116 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 21:50:56,117 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 21:50:56,117 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 21:50:56,117 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 21:50:56,117 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 21:50:56,118 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 21:50:56,118 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 21:50:56,118 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 21:50:56,119 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 21:50:56,119 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 21:50:56,119 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 21:50:56,119 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-23 21:50:56,119 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-23 21:50:56,120 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 21:50:56,120 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 21:50:56,120 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 21:50:56,120 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 21:50:56,121 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 21:50:56,121 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 21:50:56,121 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-23 21:50:56,121 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 21:50:56,121 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 21:50:56,122 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 21:50:56,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 21:50:56,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 21:50:56,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 21:50:56,185 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 21:50:56,186 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 21:50:56,187 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl [2018-09-23 21:50:56,187 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl' [2018-09-23 21:50:56,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 21:50:56,261 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 21:50:56,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 21:50:56,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 21:50:56,264 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 21:50:56,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:56" (1/1) ... [2018-09-23 21:50:56,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:56" (1/1) ... [2018-09-23 21:50:56,310 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-23 21:50:56,311 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-23 21:50:56,311 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-23 21:50:56,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 21:50:56,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 21:50:56,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 21:50:56,316 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 21:50:56,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:56" (1/1) ... [2018-09-23 21:50:56,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:56" (1/1) ... [2018-09-23 21:50:56,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:56" (1/1) ... [2018-09-23 21:50:56,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:56" (1/1) ... [2018-09-23 21:50:56,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:56" (1/1) ... [2018-09-23 21:50:56,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:56" (1/1) ... [2018-09-23 21:50:56,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:56" (1/1) ... [2018-09-23 21:50:56,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 21:50:56,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 21:50:56,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 21:50:56,344 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 21:50:56,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:56" (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 [2018-09-23 21:50:56,436 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-23 21:50:56,436 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-23 21:50:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-23 21:50:56,985 INFO L351 CfgBuilder]: Using library mode [2018-09-23 21:50:56,985 INFO L202 PluginConnector]: Adding new model threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 09:50:56 BoogieIcfgContainer [2018-09-23 21:50:56,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 21:50:56,986 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-23 21:50:56,986 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-23 21:50:56,998 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-23 21:50:56,999 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 09:50:56" (1/1) ... [2018-09-23 21:50:57,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 21:50:57,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:50:57,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2018-09-23 21:50:57,053 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2018-09-23 21:50:57,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 21:50:57,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:50:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:50:57,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:50:57,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:50:57,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2018-09-23 21:50:57,662 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2018-09-23 21:50:57,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 21:50:57,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:50:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:50:58,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:50:58,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:50:58,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2018-09-23 21:50:58,434 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2018-09-23 21:50:58,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 21:50:58,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:50:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:50:58,900 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 7 [2018-09-23 21:50:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:50:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:50:59,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-09-23 21:50:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-09-23 21:50:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 21:50:59,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:50:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:50:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:00,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:00,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 38 states and 105 transitions. [2018-09-23 21:51:00,136 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 105 transitions. [2018-09-23 21:51:00,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 21:51:00,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:01,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 44 states and 141 transitions. [2018-09-23 21:51:01,252 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 141 transitions. [2018-09-23 21:51:01,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 21:51:01,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:02,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:02,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 48 states and 165 transitions. [2018-09-23 21:51:02,024 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 165 transitions. [2018-09-23 21:51:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 21:51:02,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:02,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:02,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:02,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 49 states and 176 transitions. [2018-09-23 21:51:02,245 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 176 transitions. [2018-09-23 21:51:02,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 21:51:02,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:02,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:02,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:02,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 50 states and 188 transitions. [2018-09-23 21:51:02,681 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 188 transitions. [2018-09-23 21:51:02,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 21:51:02,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:02,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:03,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:03,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 51 states and 191 transitions. [2018-09-23 21:51:03,223 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 191 transitions. [2018-09-23 21:51:03,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 21:51:03,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:03,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:03,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:03,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 55 states and 211 transitions. [2018-09-23 21:51:03,689 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 211 transitions. [2018-09-23 21:51:03,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 21:51:03,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:03,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 56 states and 213 transitions. [2018-09-23 21:51:03,949 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 213 transitions. [2018-09-23 21:51:03,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-23 21:51:03,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:04,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:04,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:04,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 57 states and 224 transitions. [2018-09-23 21:51:04,779 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 224 transitions. [2018-09-23 21:51:04,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-23 21:51:04,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:05,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:05,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 58 states and 235 transitions. [2018-09-23 21:51:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 235 transitions. [2018-09-23 21:51:05,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-23 21:51:05,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:05,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:07,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:07,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 61 states and 254 transitions. [2018-09-23 21:51:07,644 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 254 transitions. [2018-09-23 21:51:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-23 21:51:07,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:07,812 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-23 21:51:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:08,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 63 states and 268 transitions. [2018-09-23 21:51:08,712 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 268 transitions. [2018-09-23 21:51:08,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-23 21:51:08,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:08,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:08,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:08,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 64 states and 268 transitions. [2018-09-23 21:51:08,812 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 268 transitions. [2018-09-23 21:51:08,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-23 21:51:08,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:08,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-23 21:51:09,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:09,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 65 states and 270 transitions. [2018-09-23 21:51:09,400 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 270 transitions. [2018-09-23 21:51:09,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-23 21:51:09,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:09,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:10,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:10,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 67 states and 278 transitions. [2018-09-23 21:51:10,597 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 278 transitions. [2018-09-23 21:51:10,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:10,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:10,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:12,151 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-09-23 21:51:12,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:12,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 70 states and 301 transitions. [2018-09-23 21:51:12,796 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 301 transitions. [2018-09-23 21:51:12,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:12,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:14,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:14,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 73 states and 319 transitions. [2018-09-23 21:51:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 319 transitions. [2018-09-23 21:51:14,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:14,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:14,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:14,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 75 states and 324 transitions. [2018-09-23 21:51:14,836 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 324 transitions. [2018-09-23 21:51:14,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:14,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:16,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:16,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 79 states and 341 transitions. [2018-09-23 21:51:16,429 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 341 transitions. [2018-09-23 21:51:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:16,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:17,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:19,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:19,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 85 states and 370 transitions. [2018-09-23 21:51:19,988 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 370 transitions. [2018-09-23 21:51:19,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:19,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:19,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:20,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 86 states and 380 transitions. [2018-09-23 21:51:20,109 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 380 transitions. [2018-09-23 21:51:20,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:20,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:20,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:23,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:23,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 90 states and 404 transitions. [2018-09-23 21:51:23,025 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 404 transitions. [2018-09-23 21:51:23,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:23,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:23,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:24,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:24,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 92 states and 413 transitions. [2018-09-23 21:51:24,198 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 413 transitions. [2018-09-23 21:51:24,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:24,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:24,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:25,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:25,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 95 states and 434 transitions. [2018-09-23 21:51:25,679 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 434 transitions. [2018-09-23 21:51:25,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:25,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:25,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:26,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 96 states and 439 transitions. [2018-09-23 21:51:26,111 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 439 transitions. [2018-09-23 21:51:26,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:26,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:26,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:30,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:30,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 101 states and 475 transitions. [2018-09-23 21:51:30,402 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 475 transitions. [2018-09-23 21:51:30,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:30,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 106 states and 499 transitions. [2018-09-23 21:51:34,440 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 499 transitions. [2018-09-23 21:51:34,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:34,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:34,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:35,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:35,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 107 states and 507 transitions. [2018-09-23 21:51:35,080 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 507 transitions. [2018-09-23 21:51:35,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:35,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:35,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:36,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:36,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 109 states and 512 transitions. [2018-09-23 21:51:36,704 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 512 transitions. [2018-09-23 21:51:36,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:36,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:36,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:37,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:37,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 111 states and 518 transitions. [2018-09-23 21:51:37,872 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 518 transitions. [2018-09-23 21:51:37,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:37,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:39,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 113 states and 524 transitions. [2018-09-23 21:51:39,240 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 524 transitions. [2018-09-23 21:51:39,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:39,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:39,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 114 states and 526 transitions. [2018-09-23 21:51:39,907 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 526 transitions. [2018-09-23 21:51:39,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:39,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:40,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:40,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 115 states and 531 transitions. [2018-09-23 21:51:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 531 transitions. [2018-09-23 21:51:40,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:40,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:41,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:44,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:44,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 118 states and 544 transitions. [2018-09-23 21:51:44,493 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 544 transitions. [2018-09-23 21:51:44,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:44,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:44,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:45,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:45,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 120 states and 559 transitions. [2018-09-23 21:51:45,537 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 559 transitions. [2018-09-23 21:51:45,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:45,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:45,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:48,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:48,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 122 states and 575 transitions. [2018-09-23 21:51:48,438 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 575 transitions. [2018-09-23 21:51:48,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:48,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:50,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:50,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 124 states and 588 transitions. [2018-09-23 21:51:50,347 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 588 transitions. [2018-09-23 21:51:50,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:50,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:50,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:51,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:51,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 126 states and 594 transitions. [2018-09-23 21:51:51,673 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 594 transitions. [2018-09-23 21:51:51,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-23 21:51:51,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-23 21:51:55,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:55,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 130 states and 631 transitions. [2018-09-23 21:51:55,882 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 631 transitions. [2018-09-23 21:51:55,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:51:55,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 133 states and 659 transitions. [2018-09-23 21:52:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 659 transitions. [2018-09-23 21:52:00,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:00,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:01,575 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:05,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:05,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 136 states and 691 transitions. [2018-09-23 21:52:05,090 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 691 transitions. [2018-09-23 21:52:05,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:05,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:05,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:08,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 139 states and 707 transitions. [2018-09-23 21:52:08,451 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 707 transitions. [2018-09-23 21:52:08,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:08,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:08,519 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:09,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:09,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 140 states and 708 transitions. [2018-09-23 21:52:09,164 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 708 transitions. [2018-09-23 21:52:09,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:09,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:09,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-23 21:52:11,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:11,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 141 states and 709 transitions. [2018-09-23 21:52:11,615 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 709 transitions. [2018-09-23 21:52:11,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:11,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:11,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:14,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:14,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 144 states and 748 transitions. [2018-09-23 21:52:14,509 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 748 transitions. [2018-09-23 21:52:14,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:14,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:14,611 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:16,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:16,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 146 states and 774 transitions. [2018-09-23 21:52:16,200 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 774 transitions. [2018-09-23 21:52:16,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:16,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:16,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-23 21:52:17,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:17,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 147 states and 777 transitions. [2018-09-23 21:52:17,030 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 777 transitions. [2018-09-23 21:52:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:17,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:19,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:19,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 150 states and 792 transitions. [2018-09-23 21:52:19,896 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 792 transitions. [2018-09-23 21:52:19,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:19,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:19,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:20,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:20,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 151 states and 792 transitions. [2018-09-23 21:52:20,592 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 792 transitions. [2018-09-23 21:52:20,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:20,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:21,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:24,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:24,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 154 states and 809 transitions. [2018-09-23 21:52:24,602 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 809 transitions. [2018-09-23 21:52:24,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:24,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:25,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:25,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 155 states and 817 transitions. [2018-09-23 21:52:25,300 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 817 transitions. [2018-09-23 21:52:25,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:25,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:25,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:28,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:28,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 158 states and 838 transitions. [2018-09-23 21:52:28,330 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 838 transitions. [2018-09-23 21:52:28,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:28,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:29,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:29,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 159 states and 853 transitions. [2018-09-23 21:52:29,554 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 853 transitions. [2018-09-23 21:52:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:29,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:29,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:30,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:30,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 159 states and 849 transitions. [2018-09-23 21:52:30,987 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 849 transitions. [2018-09-23 21:52:30,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:30,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:32,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:36,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:36,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 162 states and 870 transitions. [2018-09-23 21:52:36,926 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 870 transitions. [2018-09-23 21:52:36,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:36,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:36,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:37,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:37,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 163 states and 871 transitions. [2018-09-23 21:52:37,586 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 871 transitions. [2018-09-23 21:52:37,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:37,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:38,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:42,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:42,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 166 states and 889 transitions. [2018-09-23 21:52:42,061 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 889 transitions. [2018-09-23 21:52:42,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:42,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:42,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:44,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:44,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 168 states and 898 transitions. [2018-09-23 21:52:44,165 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 898 transitions. [2018-09-23 21:52:44,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:44,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:45,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:50,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:50,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 171 states and 925 transitions. [2018-09-23 21:52:50,146 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 925 transitions. [2018-09-23 21:52:50,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:50,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:50,852 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:53,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:53,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 173 states and 937 transitions. [2018-09-23 21:52:53,620 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 937 transitions. [2018-09-23 21:52:53,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:53,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:53,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-23 21:52:57,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:57,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 176 states and 953 transitions. [2018-09-23 21:52:57,790 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 953 transitions. [2018-09-23 21:52:57,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:52:57,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:58,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:00,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:00,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 178 states and 961 transitions. [2018-09-23 21:53:00,948 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 961 transitions. [2018-09-23 21:53:00,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:53:00,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:01,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:02,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:02,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 180 states and 987 transitions. [2018-09-23 21:53:02,981 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 987 transitions. [2018-09-23 21:53:02,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:53:02,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:02,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-23 21:53:05,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 182 states and 1004 transitions. [2018-09-23 21:53:05,387 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 1004 transitions. [2018-09-23 21:53:05,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:53:05,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:05,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:08,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 184 states and 1007 transitions. [2018-09-23 21:53:08,389 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 1007 transitions. [2018-09-23 21:53:08,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:53:08,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:08,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:11,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:11,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 184 states and 1006 transitions. [2018-09-23 21:53:11,567 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 1006 transitions. [2018-09-23 21:53:11,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:53:11,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:11,574 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:13,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:13,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 184 states and 1005 transitions. [2018-09-23 21:53:13,667 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 1005 transitions. [2018-09-23 21:53:13,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:53:13,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:14,324 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:17,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:17,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 185 states and 1014 transitions. [2018-09-23 21:53:17,911 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 1014 transitions. [2018-09-23 21:53:17,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:53:17,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:19,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:26,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 190 states and 1064 transitions. [2018-09-23 21:53:26,111 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 1064 transitions. [2018-09-23 21:53:26,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:53:26,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:26,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:27,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:27,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 191 states and 1079 transitions. [2018-09-23 21:53:27,609 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 1079 transitions. [2018-09-23 21:53:27,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:53:27,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:27,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:30,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:30,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 193 states and 1094 transitions. [2018-09-23 21:53:30,256 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 1094 transitions. [2018-09-23 21:53:30,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:53:30,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:30,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:31,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:31,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 194 states and 1101 transitions. [2018-09-23 21:53:31,419 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 1101 transitions. [2018-09-23 21:53:31,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:53:31,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 198 states and 1135 transitions. [2018-09-23 21:53:37,937 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 1135 transitions. [2018-09-23 21:53:37,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:53:37,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:38,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:41,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:41,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 201 states and 1164 transitions. [2018-09-23 21:53:41,700 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 1164 transitions. [2018-09-23 21:53:41,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:53:41,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:43,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:46,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:46,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 201 states and 1163 transitions. [2018-09-23 21:53:46,457 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 1163 transitions. [2018-09-23 21:53:46,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:53:46,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:46,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:50,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 203 states and 1157 transitions. [2018-09-23 21:53:50,478 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 1157 transitions. [2018-09-23 21:53:50,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:53:50,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:51,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:52,819 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-23 21:53:57,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:57,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 208 states and 1192 transitions. [2018-09-23 21:53:57,099 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 1192 transitions. [2018-09-23 21:53:57,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:53:57,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:57,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:59,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:59,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 210 states and 1196 transitions. [2018-09-23 21:53:59,155 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 1196 transitions. [2018-09-23 21:53:59,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:53:59,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:05,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 215 states and 1236 transitions. [2018-09-23 21:54:05,531 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1236 transitions. [2018-09-23 21:54:05,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:54:05,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:08,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 218 states and 1257 transitions. [2018-09-23 21:54:08,801 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 1257 transitions. [2018-09-23 21:54:08,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:54:08,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:10,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:17,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:17,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 221 states and 1285 transitions. [2018-09-23 21:54:17,811 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 1285 transitions. [2018-09-23 21:54:17,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:54:17,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:18,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:21,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:21,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 221 states and 1284 transitions. [2018-09-23 21:54:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 1284 transitions. [2018-09-23 21:54:21,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:54:21,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:23,038 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:30,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:30,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 226 states and 1325 transitions. [2018-09-23 21:54:30,509 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 1325 transitions. [2018-09-23 21:54:30,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:54:30,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:30,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:34,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:34,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 229 states and 1344 transitions. [2018-09-23 21:54:34,343 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 1344 transitions. [2018-09-23 21:54:34,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:54:34,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:34,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:40,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:40,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 232 states and 1366 transitions. [2018-09-23 21:54:40,782 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 1366 transitions. [2018-09-23 21:54:40,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:54:40,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:40,789 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-23 21:54:48,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:48,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 237 states and 1400 transitions. [2018-09-23 21:54:48,466 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 1400 transitions. [2018-09-23 21:54:48,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:54:48,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-23 21:54:50,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:50,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 239 states and 1407 transitions. [2018-09-23 21:54:50,829 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 1407 transitions. [2018-09-23 21:54:50,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:54:50,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-23 21:54:53,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:53,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 241 states and 1413 transitions. [2018-09-23 21:54:53,327 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 1413 transitions. [2018-09-23 21:54:53,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-23 21:54:53,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:54,282 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:58,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:58,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 244 states and 1434 transitions. [2018-09-23 21:54:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 1434 transitions. [2018-09-23 21:54:58,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-23 21:54:58,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:00,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:05,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:05,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 246 states and 1446 transitions. [2018-09-23 21:55:05,007 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 1446 transitions. [2018-09-23 21:55:05,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-23 21:55:05,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:05,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:06,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:06,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 247 states and 1452 transitions. [2018-09-23 21:55:06,305 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 1452 transitions. [2018-09-23 21:55:06,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-23 21:55:06,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:06,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:07,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:07,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 248 states and 1459 transitions. [2018-09-23 21:55:07,975 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 1459 transitions. [2018-09-23 21:55:07,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-23 21:55:07,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:10,910 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-23 21:55:12,487 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-23 21:55:12,489 INFO L168 Benchmark]: Toolchain (without parser) took 256231.36 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: -1.1 GB). Peak memory consumption was 770.9 MB. Max. memory is 7.1 GB. [2018-09-23 21:55:12,490 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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. [2018-09-23 21:55:12,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.67 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. [2018-09-23 21:55:12,491 INFO L168 Benchmark]: Boogie Preprocessor took 28.14 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. [2018-09-23 21:55:12,491 INFO L168 Benchmark]: RCFGBuilder took 641.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-23 21:55:12,492 INFO L168 Benchmark]: CodeCheck took 255502.60 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.1 GB). Peak memory consumption was 749.7 MB. Max. memory is 7.1 GB. [2018-09-23 21:55:12,496 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 1143 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 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 50.67 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 28.14 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 641.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 255502.60 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.6 GB in the end (delta: -1.1 GB). Peak memory consumption was 749.7 MB. 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.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-23_21-55-12-506.csv Completed graceful shutdown