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-d19836b [2018-09-26 22:38:42,241 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:38:42,243 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:38:42,260 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:38:42,260 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:38:42,261 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:38:42,263 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:38:42,265 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:38:42,270 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:38:42,277 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:38:42,278 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:38:42,281 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:38:42,282 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:38:42,283 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:38:42,286 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:38:42,287 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:38:42,289 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:38:42,292 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:38:42,297 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:38:42,299 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:38:42,302 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:38:42,303 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:38:42,306 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:38:42,306 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:38:42,306 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:38:42,307 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:38:42,308 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:38:42,309 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:38:42,311 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:38:42,312 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:38:42,313 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:38:42,316 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:38:42,316 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:38:42,316 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:38:42,317 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:38:42,318 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:38:42,318 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 [2018-09-26 22:38:42,346 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:38:42,346 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:38:42,347 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:38:42,347 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:38:42,348 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:38:42,348 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:38:42,349 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:38:42,349 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:38:42,349 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:38:42,349 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:38:42,349 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:38:42,350 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:38:42,350 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:38:42,350 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:38:42,350 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:38:42,350 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:38:42,350 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:38:42,351 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:38:42,351 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:38:42,351 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:38:42,351 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:38:42,351 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:38:42,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:38:42,352 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:38:42,352 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:38:42,352 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:38:42,353 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:38:42,353 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:38:42,353 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:38:42,353 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:38:42,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:38:42,443 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:38:42,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:38:42,450 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:38:42,451 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:38:42,452 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Unsafe.bpl [2018-09-26 22:38:42,452 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/s3_clnt_1_Unsafe.bpl' [2018-09-26 22:38:42,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:38:42,545 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:38:42,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:38:42,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:38:42,547 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:38:42,570 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 26.09 10:38:42" (1/1) ... [2018-09-26 22:38:42,588 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 26.09 10:38:42" (1/1) ... [2018-09-26 22:38:42,595 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 22:38:42,595 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 22:38:42,596 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 22:38:42,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:38:42,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:38:42,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:38:42,599 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:38:42,612 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 26.09 10:38:42" (1/1) ... [2018-09-26 22:38:42,612 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 26.09 10:38:42" (1/1) ... [2018-09-26 22:38:42,626 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 26.09 10:38:42" (1/1) ... [2018-09-26 22:38:42,626 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 26.09 10:38:42" (1/1) ... [2018-09-26 22:38:42,645 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 26.09 10:38:42" (1/1) ... [2018-09-26 22:38:42,669 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 26.09 10:38:42" (1/1) ... [2018-09-26 22:38:42,672 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 26.09 10:38:42" (1/1) ... [2018-09-26 22:38:42,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:38:42,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:38:42,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:38:42,678 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:38:42,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:38:42" (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 [2018-09-26 22:38:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2018-09-26 22:38:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2018-09-26 22:38:43,030 WARN L674 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-09-26 22:38:43,031 WARN L639 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-09-26 22:38:44,689 INFO L343 CfgBuilder]: Using library mode [2018-09-26 22:38:44,690 INFO L202 PluginConnector]: Adding new model s3_clnt_1_Unsafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:38:44 BoogieIcfgContainer [2018-09-26 22:38:44,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:38:44,690 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:38:44,691 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:38:44,701 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:38:44,701 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 26.09 10:38:44" (1/1) ... [2018-09-26 22:38:44,718 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:38:44,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:44,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 86 states and 148 transitions. [2018-09-26 22:38:44,763 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 148 transitions. [2018-09-26 22:38:44,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:38:44,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:44,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:46,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:46,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 104 states and 180 transitions. [2018-09-26 22:38:46,103 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 180 transitions. [2018-09-26 22:38:46,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 22:38:46,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:46,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:46,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:46,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 105 states and 181 transitions. [2018-09-26 22:38:46,512 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 181 transitions. [2018-09-26 22:38:46,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-26 22:38:46,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:47,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 115 states and 197 transitions. [2018-09-26 22:38:47,846 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 197 transitions. [2018-09-26 22:38:47,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:38:47,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:47,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:50,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:50,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 123 states and 223 transitions. [2018-09-26 22:38:50,200 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 223 transitions. [2018-09-26 22:38:50,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:38:50,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 123 states and 222 transitions. [2018-09-26 22:38:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 222 transitions. [2018-09-26 22:38:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:38:51,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:51,403 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:53,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:53,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 135 states and 241 transitions. [2018-09-26 22:38:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 241 transitions. [2018-09-26 22:38:53,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 22:38:53,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:53,062 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:54,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:54,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 138 states and 248 transitions. [2018-09-26 22:38:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 248 transitions. [2018-09-26 22:38:54,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:38:54,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:54,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-26 22:38:56,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:56,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 149 states and 275 transitions. [2018-09-26 22:38:56,030 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 275 transitions. [2018-09-26 22:38:56,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:38:56,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:56,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:57,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:57,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 151 states and 278 transitions. [2018-09-26 22:38:57,026 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 278 transitions. [2018-09-26 22:38:57,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:38:57,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:57,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:57,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 151 states and 277 transitions. [2018-09-26 22:38:57,836 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 277 transitions. [2018-09-26 22:38:57,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:38:57,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:58,030 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:59,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:59,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 169 states and 304 transitions. [2018-09-26 22:38:59,998 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 304 transitions. [2018-09-26 22:38:59,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:38:59,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-26 22:39:01,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:01,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 170 states and 305 transitions. [2018-09-26 22:39:01,061 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 305 transitions. [2018-09-26 22:39:01,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:39:01,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:02,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:02,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 171 states and 306 transitions. [2018-09-26 22:39:02,142 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 306 transitions. [2018-09-26 22:39:02,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:39:02,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:03,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:03,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 174 states and 317 transitions. [2018-09-26 22:39:03,390 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 317 transitions. [2018-09-26 22:39:03,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:39:03,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:03,620 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:11,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:11,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 207 states and 389 transitions. [2018-09-26 22:39:11,504 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 389 transitions. [2018-09-26 22:39:11,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:39:11,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-26 22:39:13,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:13,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 209 states and 392 transitions. [2018-09-26 22:39:13,332 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 392 transitions. [2018-09-26 22:39:13,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:39:13,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:16,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 210 states and 393 transitions. [2018-09-26 22:39:16,218 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 393 transitions. [2018-09-26 22:39:16,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:39:16,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:16,293 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:19,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:19,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 210 states and 392 transitions. [2018-09-26 22:39:19,427 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 392 transitions. [2018-09-26 22:39:19,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:39:19,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:19,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:25,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:25,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 226 states and 418 transitions. [2018-09-26 22:39:25,971 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 418 transitions. [2018-09-26 22:39:25,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:39:25,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:26,085 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:29,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:29,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 227 states and 419 transitions. [2018-09-26 22:39:29,419 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 419 transitions. [2018-09-26 22:39:29,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:39:29,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:32,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 228 states and 420 transitions. [2018-09-26 22:39:32,614 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 420 transitions. [2018-09-26 22:39:32,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-26 22:39:32,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:32,829 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 253 states and 475 transitions. [2018-09-26 22:39:50,292 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 475 transitions. [2018-09-26 22:39:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-26 22:39:50,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:50,346 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:39:57,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:39:57,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 254 states and 477 transitions. [2018-09-26 22:39:57,266 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 477 transitions. [2018-09-26 22:39:57,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:39:57,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:39:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:39:57,342 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:02,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 255 states and 478 transitions. [2018-09-26 22:40:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 478 transitions. [2018-09-26 22:40:02,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:40:02,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:02,399 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:07,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:07,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 256 states and 479 transitions. [2018-09-26 22:40:07,140 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 479 transitions. [2018-09-26 22:40:07,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 22:40:07,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:09,008 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:18,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:18,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 258 states and 488 transitions. [2018-09-26 22:40:18,203 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 488 transitions. [2018-09-26 22:40:18,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 22:40:18,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:40:43,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:40:43,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 281 states and 546 transitions. [2018-09-26 22:40:43,766 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 546 transitions. [2018-09-26 22:40:43,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:40:43,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:40:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:40:44,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:19,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:19,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 288 states and 572 transitions. [2018-09-26 22:41:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 572 transitions. [2018-09-26 22:41:19,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:41:19,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:20,042 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:41:30,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:41:30,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 291 states and 581 transitions. [2018-09-26 22:41:30,412 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 581 transitions. [2018-09-26 22:41:30,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:41:30,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:41:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:41:35,883 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:42:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:42:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 309 states and 605 transitions. [2018-09-26 22:42:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 605 transitions. [2018-09-26 22:42:22,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:42:22,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:42:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:42:23,087 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:42:42,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:42:42,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 310 states and 611 transitions. [2018-09-26 22:42:42,596 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 611 transitions. [2018-09-26 22:42:42,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-26 22:42:42,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:42:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:42:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown