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/count_by_k.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 10:37:49,198 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:37:49,200 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:37:49,212 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:37:49,212 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:37:49,213 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:37:49,215 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:37:49,217 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:37:49,218 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:37:49,219 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:37:49,220 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:37:49,220 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:37:49,221 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:37:49,222 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:37:49,224 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:37:49,224 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:37:49,225 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:37:49,227 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:37:49,229 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:37:49,231 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:37:49,232 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:37:49,233 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:37:49,236 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:37:49,236 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:37:49,237 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:37:49,238 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:37:49,239 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:37:49,240 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:37:49,240 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:37:49,242 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:37:49,242 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:37:49,243 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:37:49,243 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:37:49,243 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:37:49,245 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:37:49,246 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:37:49,246 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 [2018-10-04 10:37:49,262 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:37:49,263 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:37:49,263 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:37:49,264 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:37:49,264 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:37:49,265 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:37:49,265 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:37:49,265 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:37:49,265 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:37:49,265 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:37:49,266 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:37:49,266 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:37:49,266 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:37:49,266 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:37:49,266 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:37:49,266 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:37:49,267 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:37:49,267 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:37:49,267 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:37:49,267 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 10:37:49,267 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:37:49,268 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:37:49,268 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:37:49,268 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:37:49,268 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:37:49,268 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:37:49,269 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:37:49,269 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:37:49,269 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:37:49,269 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:37:49,322 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:37:49,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:37:49,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:37:49,342 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:37:49,343 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:37:49,344 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl [2018-10-04 10:37:49,344 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl' [2018-10-04 10:37:49,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:37:49,408 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:37:49,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:37:49,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:37:49,409 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:37:49,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:37:49" (1/1) ... [2018-10-04 10:37:49,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:37:49" (1/1) ... [2018-10-04 10:37:49,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:37:49,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:37:49,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:37:49,456 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:37:49,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:37:49" (1/1) ... [2018-10-04 10:37:49,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:37:49" (1/1) ... [2018-10-04 10:37:49,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:37:49" (1/1) ... [2018-10-04 10:37:49,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:37:49" (1/1) ... [2018-10-04 10:37:49,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:37:49" (1/1) ... [2018-10-04 10:37:49,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:37:49" (1/1) ... [2018-10-04 10:37:49,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:37:49" (1/1) ... [2018-10-04 10:37:49,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:37:49,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:37:49,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:37:49,482 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:37:49,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:37:49" (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 [2018-10-04 10:37:49,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 10:37:49,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 10:37:49,814 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 10:37:49,815 INFO L202 PluginConnector]: Adding new model count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:37:49 BoogieIcfgContainer [2018-10-04 10:37:49,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:37:49,815 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:37:49,816 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:37:49,827 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:37:49,827 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:37:49" (1/1) ... [2018-10-04 10:37:49,840 INFO L104 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 10:37:49,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:37:49,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-04 10:37:49,876 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-04 10:37:49,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:37:49,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:37:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:37:50,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:37:50,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:37:50,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-04 10:37:50,406 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-04 10:37:50,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 10:37:50,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:37:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:37:50,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:37:51,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:37:51,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-10-04 10:37:51,296 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-10-04 10:37:51,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:37:51,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:37:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:37:51,395 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:37:51,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:37:51,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-04 10:37:51,887 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-04 10:37:51,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:37:51,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:37:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:37:51,979 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:37:53,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:37:53,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-04 10:37:53,051 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-04 10:37:53,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:37:53,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:37:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:37:53,150 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:37:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:37:53,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-10-04 10:37:53,613 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-10-04 10:37:53,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:37:53,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:37:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:37:53,714 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:37:54,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:37:54,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-10-04 10:37:54,576 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-10-04 10:37:54,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:37:54,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:37:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:37:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:37:55,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:37:55,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-10-04 10:37:55,506 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-10-04 10:37:55,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:37:55,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:37:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:37:56,167 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:37:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:37:56,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-10-04 10:37:56,669 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-10-04 10:37:56,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:37:56,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:37:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:37:57,134 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:37:58,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:37:58,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-10-04 10:37:58,148 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-10-04 10:37:58,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:37:58,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:37:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:37:58,312 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:37:58,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:37:58,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-10-04 10:37:58,805 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-10-04 10:37:58,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:37:58,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:37:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:37:58,957 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:37:59,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:37:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-10-04 10:37:59,662 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-10-04 10:37:59,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 10:37:59,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:37:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:00,130 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:00,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:00,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-10-04 10:38:00,745 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-10-04 10:38:00,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 10:38:00,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:01,005 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:01,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:01,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-10-04 10:38:01,684 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-10-04 10:38:01,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 10:38:01,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:01,946 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:02,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:02,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-10-04 10:38:02,571 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-10-04 10:38:02,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 10:38:02,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:02,731 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:03,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:03,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-10-04 10:38:03,402 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-10-04 10:38:03,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 10:38:03,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:03,621 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:04,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:04,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-10-04 10:38:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-10-04 10:38:04,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:38:04,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:04,477 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:05,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:05,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-10-04 10:38:05,230 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-10-04 10:38:05,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 10:38:05,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:05,453 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:06,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:06,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-10-04 10:38:06,173 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-10-04 10:38:06,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 10:38:06,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:06,433 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:07,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:07,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-10-04 10:38:07,854 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-10-04 10:38:07,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 10:38:07,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:08,187 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:09,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:09,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-10-04 10:38:09,056 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-10-04 10:38:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:38:09,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:11,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:11,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-10-04 10:38:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-10-04 10:38:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 10:38:11,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:11,784 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:12,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:12,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-10-04 10:38:12,995 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-10-04 10:38:12,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:38:12,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:13,237 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:14,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:14,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-10-04 10:38:14,247 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-10-04 10:38:14,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 10:38:14,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:15,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:15,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-10-04 10:38:15,583 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-10-04 10:38:15,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:38:15,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:15,896 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:17,031 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 28 new depth: 26 [2018-10-04 10:38:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:17,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-10-04 10:38:17,449 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-10-04 10:38:17,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 10:38:17,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:17,752 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:18,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:18,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-10-04 10:38:18,885 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-10-04 10:38:18,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 10:38:18,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:21,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:21,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-10-04 10:38:21,854 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-10-04 10:38:21,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 10:38:21,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:22,230 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:23,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 61 states and 62 transitions. [2018-10-04 10:38:23,752 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2018-10-04 10:38:23,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 10:38:23,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:24,006 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:25,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 63 states and 64 transitions. [2018-10-04 10:38:25,553 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-10-04 10:38:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 10:38:25,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:28,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:28,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 65 states and 66 transitions. [2018-10-04 10:38:28,519 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-10-04 10:38:28,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 10:38:28,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:28,975 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:30,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:30,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 67 states and 68 transitions. [2018-10-04 10:38:30,496 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-10-04 10:38:30,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 10:38:30,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:30,906 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:33,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:33,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 69 states and 70 transitions. [2018-10-04 10:38:33,109 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-10-04 10:38:33,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 10:38:33,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:33,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:35,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:35,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 71 states and 72 transitions. [2018-10-04 10:38:35,061 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-10-04 10:38:35,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 10:38:35,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:35,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:37,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:37,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 73 states and 74 transitions. [2018-10-04 10:38:37,120 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2018-10-04 10:38:37,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 10:38:37,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:37,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:39,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 75 states and 76 transitions. [2018-10-04 10:38:39,597 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2018-10-04 10:38:39,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 10:38:39,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:42,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:42,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 77 states and 78 transitions. [2018-10-04 10:38:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2018-10-04 10:38:42,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 10:38:42,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:42,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:44,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:44,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 79 states and 80 transitions. [2018-10-04 10:38:44,397 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2018-10-04 10:38:44,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 10:38:44,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:44,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:46,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:46,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 81 states and 82 transitions. [2018-10-04 10:38:46,867 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2018-10-04 10:38:46,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 10:38:46,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:47,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 83 states and 84 transitions. [2018-10-04 10:38:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2018-10-04 10:38:49,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 10:38:49,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:50,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:52,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:52,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 85 states and 86 transitions. [2018-10-04 10:38:52,429 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2018-10-04 10:38:52,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 10:38:52,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:52,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:55,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:55,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 87 states and 88 transitions. [2018-10-04 10:38:55,530 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2018-10-04 10:38:55,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 10:38:55,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:55,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:38:58,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:38:58,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 89 states and 90 transitions. [2018-10-04 10:38:58,548 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2018-10-04 10:38:58,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 10:38:58,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:38:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:38:58,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:39:01,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:39:01,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 91 states and 92 transitions. [2018-10-04 10:39:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 92 transitions. [2018-10-04 10:39:01,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 10:39:01,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:39:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:39:01,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:39:04,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:39:04,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 93 states and 94 transitions. [2018-10-04 10:39:04,604 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2018-10-04 10:39:04,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 10:39:04,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:39:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:39:05,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:39:07,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:39:07,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 95 states and 96 transitions. [2018-10-04 10:39:07,827 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2018-10-04 10:39:07,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 10:39:07,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:39:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:39:09,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:39:12,556 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 48 new depth: 47 [2018-10-04 10:39:12,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:39:12,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 97 states and 98 transitions. [2018-10-04 10:39:12,975 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2018-10-04 10:39:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 10:39:12,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:39:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:39:14,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:39:17,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:39:17,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 99 states and 100 transitions. [2018-10-04 10:39:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 100 transitions. [2018-10-04 10:39:17,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 10:39:17,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:39:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:39:17,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:39:24,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:39:24,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 101 states and 102 transitions. [2018-10-04 10:39:24,147 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 102 transitions. [2018-10-04 10:39:24,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 10:39:24,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:39:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:39:24,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:39:27,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:39:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 103 states and 104 transitions. [2018-10-04 10:39:27,721 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 104 transitions. [2018-10-04 10:39:27,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 10:39:27,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:39:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:39:28,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:39:31,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:39:31,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 105 states and 106 transitions. [2018-10-04 10:39:31,538 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 106 transitions. [2018-10-04 10:39:31,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-04 10:39:31,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:39:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:39:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:39:35,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:39:35,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 107 states and 108 transitions. [2018-10-04 10:39:35,339 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 108 transitions. [2018-10-04 10:39:35,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-04 10:39:35,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:39:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:39:35,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:39:39,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:39:39,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 109 states and 110 transitions. [2018-10-04 10:39:39,236 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 110 transitions. [2018-10-04 10:39:39,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-04 10:39:39,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:39:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:39:39,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:39:43,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:39:43,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 111 states and 112 transitions. [2018-10-04 10:39:43,258 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 112 transitions. [2018-10-04 10:39:43,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-04 10:39:43,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:39:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:39:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:39:47,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:39:47,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 113 states and 114 transitions. [2018-10-04 10:39:47,994 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2018-10-04 10:39:47,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-04 10:39:47,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:39:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:39:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:39:53,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:39:53,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 115 states and 116 transitions. [2018-10-04 10:39:53,548 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2018-10-04 10:39:53,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-04 10:39:53,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:39:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:39:54,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:39:58,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:39:58,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 117 states and 118 transitions. [2018-10-04 10:39:58,430 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 118 transitions. [2018-10-04 10:39:58,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-04 10:39:58,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:39:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:39:59,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:40:03,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:40:03,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 119 states and 120 transitions. [2018-10-04 10:40:03,344 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 120 transitions. [2018-10-04 10:40:03,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-04 10:40:03,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:40:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:40:05,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:40:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:40:09,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 121 states and 122 transitions. [2018-10-04 10:40:09,595 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2018-10-04 10:40:09,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-04 10:40:09,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:40:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:40:10,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:40:15,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:40:15,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 123 states and 124 transitions. [2018-10-04 10:40:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2018-10-04 10:40:15,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-04 10:40:15,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:40:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:40:16,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:40:20,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:40:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 125 states and 126 transitions. [2018-10-04 10:40:20,611 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 126 transitions. [2018-10-04 10:40:20,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-04 10:40:20,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:40:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:40:21,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:40:26,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:40:26,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 127 states and 128 transitions. [2018-10-04 10:40:26,032 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 128 transitions. [2018-10-04 10:40:26,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-04 10:40:26,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:40:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:40:26,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:40:31,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:40:31,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 129 states and 130 transitions. [2018-10-04 10:40:31,738 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 130 transitions. [2018-10-04 10:40:31,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-04 10:40:31,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:40:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:40:32,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:40:37,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:40:37,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 131 states and 132 transitions. [2018-10-04 10:40:37,606 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 132 transitions. [2018-10-04 10:40:37,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-04 10:40:37,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:40:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:40:38,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:40:43,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:40:43,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 133 states and 134 transitions. [2018-10-04 10:40:43,707 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 134 transitions. [2018-10-04 10:40:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-04 10:40:43,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:40:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:40:44,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:40:50,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:40:50,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 135 states and 136 transitions. [2018-10-04 10:40:50,137 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 136 transitions. [2018-10-04 10:40:50,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-04 10:40:50,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:40:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:40:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:40:56,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:40:56,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 137 states and 138 transitions. [2018-10-04 10:40:56,926 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 138 transitions. [2018-10-04 10:40:56,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-04 10:40:56,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:40:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:40:57,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:41:04,458 INFO L248 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 68 new depth: 68 [2018-10-04 10:41:05,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:41:05,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 139 states and 140 transitions. [2018-10-04 10:41:05,805 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 140 transitions. [2018-10-04 10:41:05,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-04 10:41:05,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:41:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:41:06,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:41:13,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:41:13,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 141 states and 142 transitions. [2018-10-04 10:41:13,079 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 142 transitions. [2018-10-04 10:41:13,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-04 10:41:13,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:41:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:41:13,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:41:19,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:41:19,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 143 states and 144 transitions. [2018-10-04 10:41:19,872 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 144 transitions. [2018-10-04 10:41:19,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-04 10:41:19,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:41:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:41:20,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:41:27,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:41:27,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 145 states and 146 transitions. [2018-10-04 10:41:27,011 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 146 transitions. [2018-10-04 10:41:27,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-04 10:41:27,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:41:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:41:27,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:41:34,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:41:34,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 147 states and 148 transitions. [2018-10-04 10:41:34,247 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 148 transitions. [2018-10-04 10:41:34,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-04 10:41:34,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:41:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:41:35,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:41:41,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:41:41,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 149 states and 150 transitions. [2018-10-04 10:41:41,781 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 150 transitions. [2018-10-04 10:41:41,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-04 10:41:41,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:41:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:41:42,815 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:41:49,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:41:49,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 151 states and 152 transitions. [2018-10-04 10:41:49,762 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 152 transitions. [2018-10-04 10:41:49,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-04 10:41:49,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:41:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:41:50,709 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:41:58,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:41:58,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 153 states and 154 transitions. [2018-10-04 10:41:58,039 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 154 transitions. [2018-10-04 10:41:58,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-04 10:41:58,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:41:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:41:59,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-04 10:42:06,602 INFO L202 PluginConnector]: Adding new model count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 04.10 10:42:06 ImpRootNode [2018-10-04 10:42:06,603 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-04 10:42:06,603 INFO L168 Benchmark]: Toolchain (without parser) took 257196.73 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 112.7 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 245.8 MB). Peak memory consumption was 358.6 MB. Max. memory is 7.1 GB. [2018-10-04 10:42:06,605 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:42:06,606 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:42:06,607 INFO L168 Benchmark]: Boogie Preprocessor took 22.75 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:42:06,607 INFO L168 Benchmark]: RCFGBuilder took 336.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 10:42:06,608 INFO L168 Benchmark]: CodeCheck took 256787.32 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 112.7 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 224.7 MB). Peak memory consumption was 337.4 MB. Max. memory is 7.1 GB. [2018-10-04 10:42:06,612 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 38]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 38) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. UNKNOWN Result, 256.7s OverallTime, 75 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -4 SDslu, -8 SDs, 0 SdLazy, -10 SolverSat, -6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 103.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38275 GetRequests, 32277 SyntacticMatches, 5550 SemanticMatches, 448 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 237.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 7.1s SatisfiabilityAnalysisTime, 31.8s InterpolantComputationTime, 5850 NumberOfCodeBlocks, 5850 NumberOfCodeBlocksAsserted, 75 NumberOfCheckSat, 5775 ConstructedInterpolants, 0 QuantifiedInterpolants, 2880255 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 75 InterpolantComputations, 1 PerfectInterpolantSequences, 0/140600 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - GenericResult: Unable to decide if program is safe! Unable to decide if program is safe! * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.75 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 336.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 256787.32 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 112.7 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 224.7 MB). Peak memory consumption was 337.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_k.i_3.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-04_10-42-06-623.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_k.i_3.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_10-42-06-623.csv Completed graceful shutdown