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/20170304-DifficultPathPrograms/s3_srvr_1.cil.c_23.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:59:16,280 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:59:16,282 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:59:16,294 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:59:16,295 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:59:16,296 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:59:16,297 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:59:16,299 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:59:16,301 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:59:16,302 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:59:16,303 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:59:16,303 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:59:16,304 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:59:16,305 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:59:16,306 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:59:16,307 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:59:16,308 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:59:16,310 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:59:16,312 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:59:16,313 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:59:16,314 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:59:16,316 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:59:16,318 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:59:16,318 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:59:16,319 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:59:16,319 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:59:16,320 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:59:16,321 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:59:16,322 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:59:16,323 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:59:16,323 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:59:16,324 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:59:16,325 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:59:16,325 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:59:16,326 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:59:16,327 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:59:16,327 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 22:59:16,346 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:59:16,347 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:59:16,347 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:59:16,348 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:59:16,348 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:59:16,348 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:59:16,349 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:59:16,349 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:59:16,349 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:59:16,349 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:59:16,349 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:59:16,350 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:59:16,350 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:59:16,350 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:59:16,350 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:59:16,350 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:59:16,351 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:59:16,351 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:59:16,351 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:59:16,351 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:59:16,351 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:59:16,352 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:59:16,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:59:16,352 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:59:16,352 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:59:16,352 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:59:16,352 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:59:16,353 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:59:16,353 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:59:16,353 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:59:16,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:59:16,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:59:16,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:59:16,417 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:59:16,417 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:59:16,418 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1.cil.c_23.bpl [2018-09-26 22:59:16,419 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1.cil.c_23.bpl' [2018-09-26 22:59:16,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:59:16,516 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:59:16,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:59:16,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:59:16,519 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:59:16,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:16" (1/1) ... [2018-09-26 22:59:16,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:16" (1/1) ... [2018-09-26 22:59:16,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:59:16,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:59:16,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:59:16,576 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:59:16,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:16" (1/1) ... [2018-09-26 22:59:16,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:16" (1/1) ... [2018-09-26 22:59:16,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:16" (1/1) ... [2018-09-26 22:59:16,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:16" (1/1) ... [2018-09-26 22:59:16,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:16" (1/1) ... [2018-09-26 22:59:16,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:16" (1/1) ... [2018-09-26 22:59:16,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:16" (1/1) ... [2018-09-26 22:59:16,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:59:16,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:59:16,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:59:16,633 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:59:16,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:16" (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 22:59:16,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:59:16,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:59:17,499 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:59:17,500 INFO L202 PluginConnector]: Adding new model s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:59:17 BoogieIcfgContainer [2018-09-26 22:59:17,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:59:17,500 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:59:17,501 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:59:17,511 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:59:17,511 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:59:17" (1/1) ... [2018-09-26 22:59:17,526 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:59:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:17,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2018-09-26 22:59:17,569 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2018-09-26 22:59:17,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:59:17,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:17,812 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 22:59:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:19,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2018-09-26 22:59:19,722 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2018-09-26 22:59:19,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 22:59:19,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:19,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:20,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:20,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2018-09-26 22:59:20,243 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2018-09-26 22:59:20,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:59:20,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:20,360 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 22:59:20,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:20,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2018-09-26 22:59:20,973 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2018-09-26 22:59:20,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 22:59:20,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:21,057 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 22:59:23,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 39 states and 55 transitions. [2018-09-26 22:59:23,083 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2018-09-26 22:59:23,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:59:23,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:23,162 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:24,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:24,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2018-09-26 22:59:24,224 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2018-09-26 22:59:24,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 22:59:24,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:24,300 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:59:25,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:25,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2018-09-26 22:59:25,803 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2018-09-26 22:59:25,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 22:59:25,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:25,884 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 51 states and 70 transitions. [2018-09-26 22:59:27,275 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2018-09-26 22:59:27,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:59:27,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:27,340 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-26 22:59:28,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:28,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2018-09-26 22:59:28,241 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2018-09-26 22:59:28,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:59:28,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:30,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:30,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2018-09-26 22:59:30,159 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-09-26 22:59:30,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-26 22:59:30,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:30,253 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 22:59:32,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:32,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 89 transitions. [2018-09-26 22:59:32,264 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2018-09-26 22:59:32,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:59:32,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:32,423 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 22:59:35,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:35,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 78 states and 99 transitions. [2018-09-26 22:59:35,951 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2018-09-26 22:59:35,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 22:59:35,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:36,285 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 22:59:40,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 88 states and 110 transitions. [2018-09-26 22:59:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 110 transitions. [2018-09-26 22:59:40,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:59:40,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-26 22:59:42,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:42,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 89 states and 112 transitions. [2018-09-26 22:59:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 112 transitions. [2018-09-26 22:59:42,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:59:42,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:42,336 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 22:59:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:48,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 100 states and 124 transitions. [2018-09-26 22:59:48,059 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 124 transitions. [2018-09-26 22:59:48,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:59:48,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-26 22:59:50,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:50,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 103 states and 126 transitions. [2018-09-26 22:59:50,750 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 126 transitions. [2018-09-26 22:59:50,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:59:50,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:51,029 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 22:59:59,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:59,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 115 states and 139 transitions. [2018-09-26 22:59:59,277 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 139 transitions. [2018-09-26 22:59:59,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:59:59,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:59,353 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-09-26 23:00:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 116 states and 141 transitions. [2018-09-26 23:00:01,368 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 141 transitions. [2018-09-26 23:00:01,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 23:00:01,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:01,550 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-26 23:00:05,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:05,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 119 states and 143 transitions. [2018-09-26 23:00:05,816 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 143 transitions. [2018-09-26 23:00:05,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-26 23:00:05,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:05,897 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-26 23:00:07,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:07,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 120 states and 145 transitions. [2018-09-26 23:00:07,955 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 145 transitions. [2018-09-26 23:00:07,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 23:00:07,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:08,223 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-09-26 23:00:13,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:13,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 123 states and 147 transitions. [2018-09-26 23:00:13,288 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 147 transitions. [2018-09-26 23:00:13,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-26 23:00:13,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:15,531 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-26 23:00:26,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:26,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 128 states and 154 transitions. [2018-09-26 23:00:26,889 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 154 transitions. [2018-09-26 23:00:26,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-26 23:00:26,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:27,008 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-26 23:00:33,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:33,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 131 states and 164 transitions. [2018-09-26 23:00:33,444 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 164 transitions. [2018-09-26 23:00:33,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 23:00:33,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-09-26 23:00:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 134 states and 166 transitions. [2018-09-26 23:00:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 166 transitions. [2018-09-26 23:00:39,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-26 23:00:39,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:40,935 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 88 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-26 23:01:03,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:03,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 146 states and 181 transitions. [2018-09-26 23:01:03,552 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 181 transitions. [2018-09-26 23:01:03,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-26 23:01:03,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:04,038 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 88 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-26 23:01:12,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:12,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 149 states and 183 transitions. [2018-09-26 23:01:12,249 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 183 transitions. [2018-09-26 23:01:12,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 23:01:12,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:12,333 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-26 23:01:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:15,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 150 states and 186 transitions. [2018-09-26 23:01:15,403 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 186 transitions. [2018-09-26 23:01:15,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-26 23:01:15,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 90 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-26 23:01:25,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:25,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 153 states and 189 transitions. [2018-09-26 23:01:25,598 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 189 transitions. [2018-09-26 23:01:25,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-26 23:01:25,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:26,113 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 90 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-26 23:01:35,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 156 states and 191 transitions. [2018-09-26 23:01:35,742 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 191 transitions. [2018-09-26 23:01:35,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-26 23:01:35,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-09-26 23:01:39,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:39,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 157 states and 194 transitions. [2018-09-26 23:01:39,263 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 194 transitions. [2018-09-26 23:01:39,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-26 23:01:39,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-09-26 23:01:50,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:50,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 160 states and 196 transitions. [2018-09-26 23:01:50,711 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 196 transitions. [2018-09-26 23:01:50,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-26 23:01:50,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:51,492 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-09-26 23:02:02,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:02,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 163 states and 198 transitions. [2018-09-26 23:02:02,311 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 198 transitions. [2018-09-26 23:02:02,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-26 23:02:02,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:02,425 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-09-26 23:02:07,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:07,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 164 states and 201 transitions. [2018-09-26 23:02:07,079 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 201 transitions. [2018-09-26 23:02:07,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 23:02:07,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-09-26 23:02:20,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:20,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 167 states and 203 transitions. [2018-09-26 23:02:20,411 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 203 transitions. [2018-09-26 23:02:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 23:02:20,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:21,514 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-09-26 23:02:34,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:34,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 170 states and 205 transitions. [2018-09-26 23:02:34,242 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 205 transitions. [2018-09-26 23:02:34,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-26 23:02:34,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:34,358 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-09-26 23:02:39,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:39,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 171 states and 208 transitions. [2018-09-26 23:02:39,438 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 208 transitions. [2018-09-26 23:02:39,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-26 23:02:39,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:40,775 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-09-26 23:02:55,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:55,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 174 states and 210 transitions. [2018-09-26 23:02:55,166 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 210 transitions. [2018-09-26 23:02:55,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-26 23:02:55,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:56,635 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-09-26 23:03:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:03:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 177 states and 212 transitions. [2018-09-26 23:03:11,665 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 212 transitions. [2018-09-26 23:03:11,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-26 23:03:11,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:03:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:03:13,527 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 60 proven. 136 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown