java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/real-life/s3_clnt_1_Unsafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:32:08,175 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:32:08,177 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:32:08,192 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:32:08,192 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:32:08,193 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:32:08,196 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:32:08,206 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:32:08,208 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:32:08,209 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:32:08,210 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:32:08,210 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:32:08,211 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:32:08,212 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:32:08,214 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:32:08,214 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:32:08,215 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:32:08,217 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:32:08,219 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:32:08,221 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:32:08,222 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:32:08,224 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:32:08,226 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:32:08,227 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:32:08,227 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:32:08,228 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:32:08,229 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:32:08,230 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:32:08,231 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:32:08,232 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:32:08,232 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:32:08,233 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:32:08,233 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:32:08,234 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:32:08,235 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:32:08,235 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:32:08,236 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-30 21:32:08,251 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:32:08,252 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:32:08,252 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:32:08,253 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:32:08,253 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:32:08,253 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:32:08,254 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:32:08,254 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:32:08,254 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:32:08,254 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:32:08,255 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:32:08,255 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:32:08,255 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:32:08,255 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:32:08,255 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:32:08,256 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:32:08,256 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:32:08,256 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:32:08,256 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:32:08,256 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 21:32:08,256 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:32:08,257 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:32:08,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:32:08,257 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:32:08,257 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:32:08,258 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:32:08,258 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:32:08,258 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:32:08,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:32:08,258 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:32:08,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:32:08,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:32:08,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:32:08,343 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:32:08,343 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:32:08,344 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Unsafe.bpl [2018-09-30 21:32:08,344 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Unsafe.bpl' [2018-09-30 21:32:08,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:32:08,430 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:32:08,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:32:08,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:32:08,431 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:32:08,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:08" (1/1) ... [2018-09-30 21:32:08,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:08" (1/1) ... [2018-09-30 21:32:08,472 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 21:32:08,473 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 21:32:08,473 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 21:32:08,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:32:08,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:32:08,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:32:08,476 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:32:08,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:08" (1/1) ... [2018-09-30 21:32:08,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:08" (1/1) ... [2018-09-30 21:32:08,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:08" (1/1) ... [2018-09-30 21:32:08,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:08" (1/1) ... [2018-09-30 21:32:08,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:08" (1/1) ... [2018-09-30 21:32:08,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:08" (1/1) ... [2018-09-30 21:32:08,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:08" (1/1) ... [2018-09-30 21:32:08,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:32:08,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:32:08,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:32:08,548 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:32:08,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:32:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:32:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-09-30 21:32:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-09-30 21:32:08,788 WARN L674 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-09-30 21:32:08,788 WARN L639 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-09-30 21:32:10,783 INFO L345 CfgBuilder]: Using library mode [2018-09-30 21:32:10,784 INFO L202 PluginConnector]: Adding new model s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:32:10 BoogieIcfgContainer [2018-09-30 21:32:10,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:32:10,785 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:32:10,785 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:32:10,797 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:32:10,797 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:32:10" (1/1) ... [2018-09-30 21:32:10,811 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 21:32:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:10,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 86 states and 148 transitions. [2018-09-30 21:32:10,851 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 148 transitions. [2018-09-30 21:32:10,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:32:10,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:11,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:12,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:12,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 104 states and 180 transitions. [2018-09-30 21:32:12,215 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 180 transitions. [2018-09-30 21:32:12,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 21:32:12,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:12,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:12,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 105 states and 181 transitions. [2018-09-30 21:32:12,600 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 181 transitions. [2018-09-30 21:32:12,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 21:32:12,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:13,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:13,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 115 states and 197 transitions. [2018-09-30 21:32:13,602 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 197 transitions. [2018-09-30 21:32:13,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:32:13,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:13,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:14,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:14,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 123 states and 223 transitions. [2018-09-30 21:32:14,271 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 223 transitions. [2018-09-30 21:32:14,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:32:14,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:14,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:15,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:15,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 123 states and 222 transitions. [2018-09-30 21:32:15,388 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 222 transitions. [2018-09-30 21:32:15,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:32:15,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:15,468 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:16,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:16,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 135 states and 241 transitions. [2018-09-30 21:32:16,301 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 241 transitions. [2018-09-30 21:32:16,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 21:32:16,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:16,356 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:16,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:16,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 138 states and 248 transitions. [2018-09-30 21:32:16,984 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 248 transitions. [2018-09-30 21:32:16,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:32:16,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 21:32:18,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:18,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 149 states and 275 transitions. [2018-09-30 21:32:18,171 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 275 transitions. [2018-09-30 21:32:18,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:32:18,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:18,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:18,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:18,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 151 states and 278 transitions. [2018-09-30 21:32:18,952 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 278 transitions. [2018-09-30 21:32:18,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:32:18,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:19,009 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:19,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:19,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 151 states and 277 transitions. [2018-09-30 21:32:19,509 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 277 transitions. [2018-09-30 21:32:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:32:19,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:20,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:20,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 169 states and 304 transitions. [2018-09-30 21:32:20,870 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 304 transitions. [2018-09-30 21:32:20,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 21:32:20,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 21:32:21,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:21,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 170 states and 305 transitions. [2018-09-30 21:32:21,982 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 305 transitions. [2018-09-30 21:32:21,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 21:32:21,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:22,051 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:22,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:22,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 171 states and 306 transitions. [2018-09-30 21:32:22,714 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 306 transitions. [2018-09-30 21:32:22,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 21:32:22,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:22,752 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:23,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:23,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 174 states and 317 transitions. [2018-09-30 21:32:23,343 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 317 transitions. [2018-09-30 21:32:23,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 21:32:23,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:26,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:26,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 207 states and 389 transitions. [2018-09-30 21:32:26,664 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 389 transitions. [2018-09-30 21:32:26,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:32:26,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 21:32:27,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:27,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 209 states and 392 transitions. [2018-09-30 21:32:27,171 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 392 transitions. [2018-09-30 21:32:27,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:32:27,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:27,239 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:28,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:28,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 210 states and 393 transitions. [2018-09-30 21:32:28,137 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 393 transitions. [2018-09-30 21:32:28,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:32:28,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:28,195 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:29,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:29,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 210 states and 392 transitions. [2018-09-30 21:32:29,880 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 392 transitions. [2018-09-30 21:32:29,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:32:29,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:30,287 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 226 states and 418 transitions. [2018-09-30 21:32:31,940 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 418 transitions. [2018-09-30 21:32:31,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:32:31,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:32,032 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:33,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:33,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 227 states and 419 transitions. [2018-09-30 21:32:33,274 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 419 transitions. [2018-09-30 21:32:33,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:32:33,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:34,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:34,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 228 states and 420 transitions. [2018-09-30 21:32:34,085 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 420 transitions. [2018-09-30 21:32:34,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 21:32:34,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:36,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:36,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 253 states and 475 transitions. [2018-09-30 21:32:36,694 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 475 transitions. [2018-09-30 21:32:36,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 21:32:36,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:37,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 254 states and 477 transitions. [2018-09-30 21:32:37,689 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 477 transitions. [2018-09-30 21:32:37,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:32:37,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:37,740 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:38,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:38,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 255 states and 478 transitions. [2018-09-30 21:32:38,414 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 478 transitions. [2018-09-30 21:32:38,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:32:38,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:39,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:39,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 256 states and 479 transitions. [2018-09-30 21:32:39,333 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 479 transitions. [2018-09-30 21:32:39,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 21:32:39,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:40,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:40,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 258 states and 488 transitions. [2018-09-30 21:32:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 488 transitions. [2018-09-30 21:32:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 21:32:40,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:40,512 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:43,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:43,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 281 states and 546 transitions. [2018-09-30 21:32:43,408 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 546 transitions. [2018-09-30 21:32:43,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:32:43,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:43,487 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:45,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:45,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 288 states and 572 transitions. [2018-09-30 21:32:45,498 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 572 transitions. [2018-09-30 21:32:45,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:32:45,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:45,538 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:46,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:46,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 291 states and 581 transitions. [2018-09-30 21:32:46,716 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 581 transitions. [2018-09-30 21:32:46,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:32:46,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:49,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:49,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 309 states and 605 transitions. [2018-09-30 21:32:49,908 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 605 transitions. [2018-09-30 21:32:49,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:32:49,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:49,948 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:51,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:51,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 310 states and 611 transitions. [2018-09-30 21:32:51,086 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 611 transitions. [2018-09-30 21:32:51,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 21:32:51,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:54,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:54,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 328 states and 642 transitions. [2018-09-30 21:32:54,555 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 642 transitions. [2018-09-30 21:32:54,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 21:32:54,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:54,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:55,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:55,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 329 states and 643 transitions. [2018-09-30 21:32:55,892 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 643 transitions. [2018-09-30 21:32:55,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 21:32:55,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:55,913 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:32:56,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:32:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 328 states and 641 transitions. [2018-09-30 21:32:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 641 transitions. [2018-09-30 21:32:56,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 21:32:56,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:32:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:32:57,895 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:00,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 346 states and 667 transitions. [2018-09-30 21:33:00,696 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 667 transitions. [2018-09-30 21:33:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:33:00,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:00,780 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:02,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:02,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 349 states and 679 transitions. [2018-09-30 21:33:02,604 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 679 transitions. [2018-09-30 21:33:02,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:33:02,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:02,653 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:06,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 368 states and 714 transitions. [2018-09-30 21:33:06,735 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 714 transitions. [2018-09-30 21:33:06,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:33:06,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 372 states and 732 transitions. [2018-09-30 21:33:09,032 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 732 transitions. [2018-09-30 21:33:09,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:33:09,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:09,074 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:11,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 373 states and 744 transitions. [2018-09-30 21:33:11,116 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 744 transitions. [2018-09-30 21:33:11,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 21:33:11,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:11,210 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:13,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 374 states and 745 transitions. [2018-09-30 21:33:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 745 transitions. [2018-09-30 21:33:13,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 21:33:13,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:13,545 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:15,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:15,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 375 states and 746 transitions. [2018-09-30 21:33:15,161 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 746 transitions. [2018-09-30 21:33:15,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 21:33:15,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:15,211 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:16,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 373 states and 743 transitions. [2018-09-30 21:33:16,740 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 743 transitions. [2018-09-30 21:33:16,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 21:33:16,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 376 states and 755 transitions. [2018-09-30 21:33:18,395 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 755 transitions. [2018-09-30 21:33:18,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:33:18,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:18,705 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:22,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:22,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 388 states and 786 transitions. [2018-09-30 21:33:22,177 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 786 transitions. [2018-09-30 21:33:22,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:33:22,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:23,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:23,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 388 states and 785 transitions. [2018-09-30 21:33:23,841 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 785 transitions. [2018-09-30 21:33:23,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:33:23,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:25,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 389 states and 786 transitions. [2018-09-30 21:33:25,666 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 786 transitions. [2018-09-30 21:33:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 21:33:25,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:25,806 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:28,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:28,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 392 states and 793 transitions. [2018-09-30 21:33:28,295 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 793 transitions. [2018-09-30 21:33:28,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 21:33:28,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:28,327 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:30,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:30,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 395 states and 800 transitions. [2018-09-30 21:33:30,376 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 800 transitions. [2018-09-30 21:33:30,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:33:30,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:30,395 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:34,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:34,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 406 states and 829 transitions. [2018-09-30 21:33:34,027 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 829 transitions. [2018-09-30 21:33:34,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:33:34,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:34,057 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:37,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:37,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 417 states and 868 transitions. [2018-09-30 21:33:37,632 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 868 transitions. [2018-09-30 21:33:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:33:37,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:37,683 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:39,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:39,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 418 states and 870 transitions. [2018-09-30 21:33:39,738 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 870 transitions. [2018-09-30 21:33:39,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:33:39,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:42,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:42,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 419 states and 871 transitions. [2018-09-30 21:33:42,044 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 871 transitions. [2018-09-30 21:33:42,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:33:42,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:47,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:47,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 420 states and 872 transitions. [2018-09-30 21:33:47,739 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 872 transitions. [2018-09-30 21:33:47,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 21:33:47,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:47,782 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:33:50,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:50,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 428 states and 879 transitions. [2018-09-30 21:33:50,137 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 879 transitions. [2018-09-30 21:33:50,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 21:33:50,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:52,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:52,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 428 states and 878 transitions. [2018-09-30 21:33:52,007 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 878 transitions. [2018-09-30 21:33:52,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 21:33:52,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:52,030 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-09-30 21:33:54,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:54,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 431 states and 886 transitions. [2018-09-30 21:33:54,257 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 886 transitions. [2018-09-30 21:33:54,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 21:33:54,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:33:56,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:33:56,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 434 states and 891 transitions. [2018-09-30 21:33:56,601 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 891 transitions. [2018-09-30 21:33:56,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 21:33:56,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:33:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:33:56,649 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:34:01,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:01,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 448 states and 923 transitions. [2018-09-30 21:34:01,427 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 923 transitions. [2018-09-30 21:34:01,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 21:34:01,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:01,460 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:34:04,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:04,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 447 states and 921 transitions. [2018-09-30 21:34:04,478 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 921 transitions. [2018-09-30 21:34:04,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 21:34:04,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:04,525 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:34:07,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:07,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 447 states and 920 transitions. [2018-09-30 21:34:07,308 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 920 transitions. [2018-09-30 21:34:07,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:34:07,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:07,318 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:34:11,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:11,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 454 states and 945 transitions. [2018-09-30 21:34:11,451 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 945 transitions. [2018-09-30 21:34:11,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:34:11,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:11,495 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:34:14,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:14,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 456 states and 948 transitions. [2018-09-30 21:34:14,121 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 948 transitions. [2018-09-30 21:34:14,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:34:14,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:14,164 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:34:16,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:16,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 458 states and 950 transitions. [2018-09-30 21:34:16,800 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 950 transitions. [2018-09-30 21:34:16,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:34:16,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:16,849 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:34:19,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:19,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 459 states and 951 transitions. [2018-09-30 21:34:19,680 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 951 transitions. [2018-09-30 21:34:19,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:34:19,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:19,742 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-09-30 21:34:22,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:22,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 460 states and 952 transitions. [2018-09-30 21:34:22,573 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 952 transitions. [2018-09-30 21:34:22,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:34:22,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:22,728 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:34:27,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:27,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 469 states and 963 transitions. [2018-09-30 21:34:27,829 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 963 transitions. [2018-09-30 21:34:27,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:34:27,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:34:32,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:32,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 469 states and 961 transitions. [2018-09-30 21:34:32,016 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 961 transitions. [2018-09-30 21:34:32,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:34:32,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 21:34:39,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:39,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 480 states and 1002 transitions. [2018-09-30 21:34:39,104 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1002 transitions. [2018-09-30 21:34:39,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:34:39,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:39,152 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:34:42,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:42,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 480 states and 1001 transitions. [2018-09-30 21:34:42,129 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1001 transitions. [2018-09-30 21:34:42,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:34:42,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 21:34:44,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 481 states and 1002 transitions. [2018-09-30 21:34:44,833 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1002 transitions. [2018-09-30 21:34:44,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:34:44,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:44,881 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 21:34:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:47,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 482 states and 1003 transitions. [2018-09-30 21:34:47,533 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 1003 transitions. [2018-09-30 21:34:47,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:34:47,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:47,543 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:34:50,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:50,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 483 states and 1006 transitions. [2018-09-30 21:34:50,169 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 1006 transitions. [2018-09-30 21:34:50,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:34:50,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-09-30 21:34:51,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:51,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 484 states and 1008 transitions. [2018-09-30 21:34:51,795 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1008 transitions. [2018-09-30 21:34:51,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:34:51,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:51,807 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:34:53,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:53,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 487 states and 1013 transitions. [2018-09-30 21:34:53,347 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1013 transitions. [2018-09-30 21:34:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:34:53,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:53,388 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:34:56,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:34:56,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 490 states and 1025 transitions. [2018-09-30 21:34:56,573 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 1025 transitions. [2018-09-30 21:34:56,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:34:56,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:34:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:34:56,594 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-30 21:35:01,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:01,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 501 states and 1046 transitions. [2018-09-30 21:35:01,553 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 1046 transitions. [2018-09-30 21:35:01,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:35:01,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:01,579 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:35:03,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:03,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 501 states and 1042 transitions. [2018-09-30 21:35:03,547 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 1042 transitions. [2018-09-30 21:35:03,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:35:03,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:03,566 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-30 21:35:04,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:04,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 502 states and 1043 transitions. [2018-09-30 21:35:04,401 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 1043 transitions. [2018-09-30 21:35:04,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:35:04,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:04,455 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:35:05,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:05,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 502 states and 1042 transitions. [2018-09-30 21:35:05,288 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 1042 transitions. [2018-09-30 21:35:05,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:35:05,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:05,774 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:35:18,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 517 states and 1097 transitions. [2018-09-30 21:35:18,448 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 1097 transitions. [2018-09-30 21:35:18,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:35:18,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:35:22,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:22,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 526 states and 1111 transitions. [2018-09-30 21:35:22,696 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1111 transitions. [2018-09-30 21:35:22,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:35:22,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:22,708 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:35:25,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:25,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 527 states and 1113 transitions. [2018-09-30 21:35:25,597 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 1113 transitions. [2018-09-30 21:35:25,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:35:25,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:25,622 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:35:28,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:28,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 528 states and 1114 transitions. [2018-09-30 21:35:28,648 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 1114 transitions. [2018-09-30 21:35:28,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:35:28,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:28,662 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:35:30,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:30,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 530 states and 1117 transitions. [2018-09-30 21:35:30,120 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1117 transitions. [2018-09-30 21:35:30,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:35:30,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:35:33,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:33,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 530 states and 1115 transitions. [2018-09-30 21:35:33,003 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1115 transitions. [2018-09-30 21:35:33,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:35:33,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-09-30 21:35:34,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:34,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 531 states and 1117 transitions. [2018-09-30 21:35:34,666 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 1117 transitions. [2018-09-30 21:35:34,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:35:34,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:34,713 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:35:36,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:36,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 532 states and 1118 transitions. [2018-09-30 21:35:36,280 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1118 transitions. [2018-09-30 21:35:36,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:35:36,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:36,295 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-09-30 21:35:40,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:40,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 542 states and 1128 transitions. [2018-09-30 21:35:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 1128 transitions. [2018-09-30 21:35:40,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:35:40,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:40,650 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 21:35:43,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:43,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 543 states and 1129 transitions. [2018-09-30 21:35:43,190 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1129 transitions. [2018-09-30 21:35:43,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:35:43,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-30 21:35:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:49,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 554 states and 1150 transitions. [2018-09-30 21:35:49,415 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1150 transitions. [2018-09-30 21:35:49,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:35:49,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-30 21:35:51,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:51,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 555 states and 1151 transitions. [2018-09-30 21:35:51,129 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1151 transitions. [2018-09-30 21:35:51,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:35:51,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:35:53,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:53,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 555 states and 1147 transitions. [2018-09-30 21:35:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1147 transitions. [2018-09-30 21:35:53,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:35:53,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:53,843 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:35:55,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:55,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 558 states and 1152 transitions. [2018-09-30 21:35:55,176 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1152 transitions. [2018-09-30 21:35:55,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:35:55,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-09-30 21:35:56,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:56,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 561 states and 1158 transitions. [2018-09-30 21:35:56,804 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 1158 transitions. [2018-09-30 21:35:56,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:35:56,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:56,855 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:35:59,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:35:59,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 561 states and 1156 transitions. [2018-09-30 21:35:59,237 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 1156 transitions. [2018-09-30 21:35:59,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:35:59,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:35:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:35:59,250 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-30 21:36:00,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:00,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 563 states and 1159 transitions. [2018-09-30 21:36:00,346 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1159 transitions. [2018-09-30 21:36:00,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:36:00,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:02,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 564 states and 1165 transitions. [2018-09-30 21:36:02,415 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1165 transitions. [2018-09-30 21:36:02,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:36:02,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:02,468 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-09-30 21:36:03,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:03,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 566 states and 1167 transitions. [2018-09-30 21:36:03,428 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 1167 transitions. [2018-09-30 21:36:03,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:36:03,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:03,532 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-30 21:36:09,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:09,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 569 states and 1170 transitions. [2018-09-30 21:36:09,242 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 1170 transitions. [2018-09-30 21:36:09,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:36:09,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:09,274 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-09-30 21:36:10,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:10,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 570 states and 1171 transitions. [2018-09-30 21:36:10,958 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1171 transitions. [2018-09-30 21:36:10,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:36:10,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:11,007 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:12,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:12,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 571 states and 1172 transitions. [2018-09-30 21:36:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1172 transitions. [2018-09-30 21:36:12,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:36:12,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:12,706 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:15,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:15,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 572 states and 1173 transitions. [2018-09-30 21:36:15,538 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1173 transitions. [2018-09-30 21:36:15,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:36:15,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:15,551 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:20,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:20,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 582 states and 1197 transitions. [2018-09-30 21:36:20,807 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1197 transitions. [2018-09-30 21:36:20,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:36:20,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:20,933 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:26,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:26,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 596 states and 1219 transitions. [2018-09-30 21:36:26,584 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1219 transitions. [2018-09-30 21:36:26,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:36:26,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-30 21:36:26,637 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-09-30 21:36:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:26,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:27,252 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-30 21:36:27,253 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 21:36:27,254 INFO L168 Benchmark]: Toolchain (without parser) took 258827.52 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -162.7 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2018-09-30 21:36:27,257 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-09-30 21:36:27,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.89 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. [2018-09-30 21:36:27,258 INFO L168 Benchmark]: Boogie Preprocessor took 71.23 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. [2018-09-30 21:36:27,258 INFO L168 Benchmark]: RCFGBuilder took 2236.88 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2018-09-30 21:36:27,259 INFO L168 Benchmark]: CodeCheck took 256468.69 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -247.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-30 21:36:27,263 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 TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 2 xjuncts. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 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 44.89 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 71.23 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 2236.88 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: 84.6 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * CodeCheck took 256468.69 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -247.3 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/s3_clnt_1_Unsafe.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-36-27-275.csv Completed graceful shutdown