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/gauss_sum.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 11:54:23,190 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 11:54:23,192 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 11:54:23,204 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 11:54:23,204 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 11:54:23,205 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 11:54:23,207 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 11:54:23,208 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 11:54:23,210 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 11:54:23,211 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 11:54:23,212 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 11:54:23,212 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 11:54:23,213 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 11:54:23,214 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 11:54:23,215 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 11:54:23,216 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 11:54:23,216 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 11:54:23,218 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 11:54:23,220 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 11:54:23,222 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 11:54:23,223 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 11:54:23,224 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 11:54:23,227 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 11:54:23,227 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 11:54:23,227 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 11:54:23,231 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 11:54:23,233 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 11:54:23,234 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 11:54:23,238 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 11:54:23,239 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 11:54:23,239 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 11:54:23,242 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 11:54:23,242 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 11:54:23,242 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 11:54:23,243 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 11:54:23,244 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 11:54:23,244 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-30 11:54:23,271 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 11:54:23,272 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 11:54:23,272 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 11:54:23,273 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 11:54:23,273 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 11:54:23,274 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 11:54:23,275 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 11:54:23,275 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 11:54:23,275 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 11:54:23,275 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 11:54:23,276 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 11:54:23,276 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 11:54:23,276 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 11:54:23,276 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 11:54:23,276 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 11:54:23,277 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 11:54:23,277 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 11:54:23,277 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 11:54:23,277 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 11:54:23,277 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 11:54:23,278 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 11:54:23,279 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 11:54:23,279 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:54:23,280 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 11:54:23,280 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 11:54:23,280 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 11:54:23,280 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 11:54:23,280 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 11:54:23,280 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 11:54:23,281 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 11:54:23,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 11:54:23,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 11:54:23,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 11:54:23,351 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 11:54:23,352 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 11:54:23,352 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl [2018-09-30 11:54:23,353 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl' [2018-09-30 11:54:23,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 11:54:23,406 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 11:54:23,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 11:54:23,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 11:54:23,407 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 11:54:23,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:54:23" (1/1) ... [2018-09-30 11:54:23,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:54:23" (1/1) ... [2018-09-30 11:54:23,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 11:54:23,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 11:54:23,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 11:54:23,448 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 11:54:23,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:54:23" (1/1) ... [2018-09-30 11:54:23,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:54:23" (1/1) ... [2018-09-30 11:54:23,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:54:23" (1/1) ... [2018-09-30 11:54:23,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:54:23" (1/1) ... [2018-09-30 11:54:23,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:54:23" (1/1) ... [2018-09-30 11:54:23,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:54:23" (1/1) ... [2018-09-30 11:54:23,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:54:23" (1/1) ... [2018-09-30 11:54:23,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 11:54:23,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 11:54:23,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 11:54:23,471 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 11:54:23,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:54:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:54:23,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 11:54:23,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 11:54:23,736 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 11:54:23,736 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:54:23 BoogieIcfgContainer [2018-09-30 11:54:23,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 11:54:23,737 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 11:54:23,737 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 11:54:23,749 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 11:54:23,749 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:54:23" (1/1) ... [2018-09-30 11:54:23,768 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 11:54:23,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:23,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-30 11:54:23,811 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-30 11:54:23,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 11:54:23,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:23,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:24,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:24,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:24,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-09-30 11:54:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-09-30 11:54:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 11:54:24,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:24,403 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:25,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:25,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-09-30 11:54:25,540 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-09-30 11:54:25,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:54:25,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:25,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:25,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:26,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:26,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-09-30 11:54:26,397 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-09-30 11:54:26,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:54:26,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:26,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:26,498 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 11:54:27,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:27,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-09-30 11:54:27,968 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-09-30 11:54:27,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:54:27,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:28,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:28,166 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:30,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-09-30 11:54:30,009 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-09-30 11:54:30,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:54:30,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:30,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:30,167 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:31,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-09-30 11:54:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-09-30 11:54:31,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:54:31,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:31,073 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:31,215 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:32,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:32,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2018-09-30 11:54:32,866 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2018-09-30 11:54:32,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:54:32,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:32,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:33,224 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:34,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2018-09-30 11:54:34,513 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-09-30 11:54:34,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:54:34,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:34,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:34,751 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:36,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:36,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2018-09-30 11:54:36,294 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2018-09-30 11:54:36,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 11:54:36,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:36,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:36,500 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:39,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:39,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2018-09-30 11:54:39,077 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2018-09-30 11:54:39,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:54:39,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:39,116 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:39,324 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:41,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:41,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2018-09-30 11:54:41,040 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2018-09-30 11:54:41,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 11:54:41,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:41,086 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:43,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:43,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2018-09-30 11:54:43,191 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2018-09-30 11:54:43,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:54:43,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:43,235 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:45,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2018-09-30 11:54:45,846 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-09-30 11:54:45,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 11:54:45,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:45,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:46,247 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 53 states and 64 transitions. [2018-09-30 11:54:48,919 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2018-09-30 11:54:48,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:54:48,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:48,969 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:49,533 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:52,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:52,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 57 states and 69 transitions. [2018-09-30 11:54:52,181 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2018-09-30 11:54:52,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 11:54:52,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:52,216 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:52,546 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:55,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:55,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 61 states and 74 transitions. [2018-09-30 11:54:55,657 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 74 transitions. [2018-09-30 11:54:55,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:54:55,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:55,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:55,992 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:59,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:59,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 65 states and 79 transitions. [2018-09-30 11:54:59,438 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 79 transitions. [2018-09-30 11:54:59,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:54:59,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:59,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:54:59,886 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:55:03,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:55:03,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 69 states and 84 transitions. [2018-09-30 11:55:03,508 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2018-09-30 11:55:03,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:55:03,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:55:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:55:03,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:55:03,969 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:55:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:55:07,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 73 states and 89 transitions. [2018-09-30 11:55:07,986 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2018-09-30 11:55:07,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:55:07,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:55:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:55:08,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:55:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:55:13,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:55:13,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2018-09-30 11:55:13,076 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2018-09-30 11:55:13,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:55:13,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:55:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:55:13,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:55:13,721 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:55:18,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:55:18,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 81 states and 99 transitions. [2018-09-30 11:55:18,625 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2018-09-30 11:55:18,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:55:18,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:55:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:55:18,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:55:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:55:24,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:55:24,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 85 states and 104 transitions. [2018-09-30 11:55:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 104 transitions. [2018-09-30 11:55:24,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:55:24,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:55:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:55:24,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:55:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:55:30,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:55:30,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 89 states and 109 transitions. [2018-09-30 11:55:30,995 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 109 transitions. [2018-09-30 11:55:30,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 11:55:30,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:55:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:55:31,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:55:31,631 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:55:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:55:37,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 93 states and 114 transitions. [2018-09-30 11:55:37,987 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2018-09-30 11:55:37,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:55:37,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:55:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:55:38,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:55:38,665 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:55:45,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:55:45,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 97 states and 119 transitions. [2018-09-30 11:55:45,626 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2018-09-30 11:55:45,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 11:55:45,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:55:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:55:45,684 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:55:46,230 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:55:53,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:55:53,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 101 states and 124 transitions. [2018-09-30 11:55:53,670 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2018-09-30 11:55:53,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:55:53,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:55:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:55:53,735 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:55:54,358 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:56:02,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:56:02,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 105 states and 129 transitions. [2018-09-30 11:56:02,336 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 129 transitions. [2018-09-30 11:56:02,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 11:56:02,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:56:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:56:02,387 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:56:03,029 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:56:11,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:56:11,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 109 states and 134 transitions. [2018-09-30 11:56:11,684 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2018-09-30 11:56:11,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 11:56:11,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:56:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:56:11,748 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:56:12,458 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:56:22,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:56:22,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 113 states and 139 transitions. [2018-09-30 11:56:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 139 transitions. [2018-09-30 11:56:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 11:56:22,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:56:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:56:22,623 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:56:24,220 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:56:34,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:56:34,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 117 states and 144 transitions. [2018-09-30 11:56:34,321 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 144 transitions. [2018-09-30 11:56:34,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 11:56:34,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:56:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:56:34,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:56:35,122 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:56:45,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:56:45,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 121 states and 149 transitions. [2018-09-30 11:56:45,845 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 149 transitions. [2018-09-30 11:56:45,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 11:56:45,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:56:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:56:45,911 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:56:46,732 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:56:58,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:56:58,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 125 states and 154 transitions. [2018-09-30 11:56:58,245 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 154 transitions. [2018-09-30 11:56:58,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 11:56:58,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:56:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:56:58,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:56:59,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:57:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:57:11,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 129 states and 159 transitions. [2018-09-30 11:57:11,428 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 159 transitions. [2018-09-30 11:57:11,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 11:57:11,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:57:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:57:11,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:57:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:57:25,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:57:25,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 133 states and 164 transitions. [2018-09-30 11:57:25,612 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 164 transitions. [2018-09-30 11:57:25,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 11:57:25,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:57:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:57:25,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:57:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:57:40,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:57:40,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 137 states and 169 transitions. [2018-09-30 11:57:40,676 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 169 transitions. [2018-09-30 11:57:40,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 11:57:40,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:57:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:57:40,753 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:57:41,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:57:56,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:57:56,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 141 states and 174 transitions. [2018-09-30 11:57:56,481 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 174 transitions. [2018-09-30 11:57:56,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 11:57:56,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:57:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:57:56,549 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:57:57,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:58:13,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:58:13,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 145 states and 179 transitions. [2018-09-30 11:58:13,280 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 179 transitions. [2018-09-30 11:58:13,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 11:58:13,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:58:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:58:13,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:58:14,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:58:31,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:58:31,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 149 states and 184 transitions. [2018-09-30 11:58:31,142 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2018-09-30 11:58:31,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 11:58:31,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:58:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:58:31,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:58:32,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:58:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:58:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 153 states and 189 transitions. [2018-09-30 11:58:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 189 transitions. [2018-09-30 11:58:50,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 11:58:50,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:58:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:58:50,664 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:58:51,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown