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.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:20:47,116 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:20:47,119 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:20:47,134 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:20:47,134 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:20:47,135 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:20:47,137 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:20:47,138 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:20:47,140 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:20:47,141 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:20:47,142 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:20:47,142 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:20:47,143 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:20:47,144 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:20:47,145 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:20:47,147 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:20:47,148 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:20:47,151 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:20:47,153 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:20:47,161 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:20:47,163 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:20:47,164 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:20:47,169 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:20:47,170 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:20:47,170 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:20:47,171 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:20:47,172 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:20:47,173 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:20:47,174 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:20:47,175 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:20:47,175 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:20:47,176 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:20:47,176 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:20:47,176 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:20:47,177 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:20:47,178 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:20:47,178 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-26 22:20:47,205 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:20:47,209 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:20:47,210 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:20:47,210 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:20:47,211 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:20:47,211 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:20:47,211 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:20:47,211 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:20:47,212 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:20:47,212 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:20:47,213 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:20:47,213 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:20:47,213 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:20:47,213 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:20:47,213 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:20:47,214 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:20:47,214 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:20:47,214 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:20:47,215 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:20:47,216 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:20:47,216 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:20:47,216 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:20:47,216 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:20:47,217 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:20:47,217 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:20:47,217 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:20:47,217 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:20:47,217 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:20:47,218 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:20:47,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:20:47,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:20:47,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:20:47,307 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:20:47,307 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:20:47,308 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl [2018-09-26 22:20:47,308 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl' [2018-09-26 22:20:47,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:20:47,373 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:20:47,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:20:47,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:20:47,374 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:20:47,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:47" (1/1) ... [2018-09-26 22:20:47,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:47" (1/1) ... [2018-09-26 22:20:47,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:20:47,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:20:47,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:20:47,423 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:20:47,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:47" (1/1) ... [2018-09-26 22:20:47,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:47" (1/1) ... [2018-09-26 22:20:47,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:47" (1/1) ... [2018-09-26 22:20:47,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:47" (1/1) ... [2018-09-26 22:20:47,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:47" (1/1) ... [2018-09-26 22:20:47,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:47" (1/1) ... [2018-09-26 22:20:47,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:47" (1/1) ... [2018-09-26 22:20:47,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:20:47,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:20:47,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:20:47,452 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:20:47,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:20:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:20:47,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:20:47,821 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:20:47,822 INFO L202 PluginConnector]: Adding new model linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:20:47 BoogieIcfgContainer [2018-09-26 22:20:47,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:20:47,823 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:20:47,823 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:20:47,835 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:20:47,835 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:20:47" (1/1) ... [2018-09-26 22:20:47,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:20:47,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:47,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-26 22:20:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-26 22:20:47,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:20:47,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:48,400 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 18 [2018-09-26 22:20:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:48,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:48,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-09-26 22:20:48,818 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-09-26 22:20:48,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:20:48,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:49,492 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 18 [2018-09-26 22:20:49,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:50,232 WARN L178 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2018-09-26 22:20:50,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:50,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 10 states and 18 transitions. [2018-09-26 22:20:50,513 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 18 transitions. [2018-09-26 22:20:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:20:50,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:50,896 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 16 [2018-09-26 22:20:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:52,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:52,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 15 states and 28 transitions. [2018-09-26 22:20:52,727 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 28 transitions. [2018-09-26 22:20:52,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:20:52,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:53,192 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:54,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:54,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 19 states and 37 transitions. [2018-09-26 22:20:54,675 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 37 transitions. [2018-09-26 22:20:54,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:20:54,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:54,887 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:55,254 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 20 [2018-09-26 22:20:55,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:55,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 21 states and 40 transitions. [2018-09-26 22:20:55,809 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 40 transitions. [2018-09-26 22:20:55,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:20:55,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:56,680 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:57,823 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-09-26 22:20:58,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:58,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 24 states and 47 transitions. [2018-09-26 22:20:58,436 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 47 transitions. [2018-09-26 22:20:58,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:20:58,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:58,603 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:59,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:59,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 26 states and 52 transitions. [2018-09-26 22:20:59,734 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 52 transitions. [2018-09-26 22:20:59,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:20:59,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:59,972 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:00,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:00,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 27 states and 52 transitions. [2018-09-26 22:21:00,546 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 52 transitions. [2018-09-26 22:21:00,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:21:00,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:02,301 WARN L178 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 20 [2018-09-26 22:21:02,369 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:03,062 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-09-26 22:21:03,876 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-26 22:21:04,393 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 19 [2018-09-26 22:21:06,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:06,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 32 states and 63 transitions. [2018-09-26 22:21:06,091 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 63 transitions. [2018-09-26 22:21:06,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:21:06,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:06,593 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:08,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:08,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2018-09-26 22:21:08,487 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2018-09-26 22:21:08,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:21:08,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:08,970 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:09,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:09,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2018-09-26 22:21:09,258 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2018-09-26 22:21:09,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:21:09,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:12,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2018-09-26 22:21:12,596 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2018-09-26 22:21:12,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:21:12,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:12,973 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:13,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:13,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2018-09-26 22:21:13,307 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2018-09-26 22:21:13,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:21:13,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:13,671 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:14,165 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2018-09-26 22:21:14,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:14,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2018-09-26 22:21:14,532 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2018-09-26 22:21:14,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:21:14,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:15,794 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:16,554 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2018-09-26 22:21:17,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:17,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2018-09-26 22:21:17,334 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2018-09-26 22:21:17,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:21:17,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:19,262 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2018-09-26 22:21:19,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:19,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2018-09-26 22:21:19,594 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2018-09-26 22:21:19,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:21:19,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:20,680 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:21,567 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2018-09-26 22:21:22,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:22,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2018-09-26 22:21:22,564 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2018-09-26 22:21:22,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:21:22,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:23,334 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:23,954 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2018-09-26 22:21:24,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:24,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 54 states and 95 transitions. [2018-09-26 22:21:24,800 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 95 transitions. [2018-09-26 22:21:24,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:21:24,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:26,035 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:26,877 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2018-09-26 22:21:27,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:27,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 57 states and 100 transitions. [2018-09-26 22:21:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 100 transitions. [2018-09-26 22:21:27,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:21:27,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:29,153 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 16 [2018-09-26 22:21:29,749 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2018-09-26 22:21:30,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:30,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 103 transitions. [2018-09-26 22:21:30,182 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2018-09-26 22:21:30,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:21:30,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:32,200 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:36,897 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-09-26 22:21:38,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:38,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 72 states and 124 transitions. [2018-09-26 22:21:38,177 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 124 transitions. [2018-09-26 22:21:38,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:21:38,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:38,815 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:39,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 75 states and 127 transitions. [2018-09-26 22:21:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 127 transitions. [2018-09-26 22:21:39,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:21:39,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:41,024 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:41,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:41,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 76 states and 127 transitions. [2018-09-26 22:21:41,478 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 127 transitions. [2018-09-26 22:21:41,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:21:41,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:41,890 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:42,705 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2018-09-26 22:21:43,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:43,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 78 states and 130 transitions. [2018-09-26 22:21:43,231 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 130 transitions. [2018-09-26 22:21:43,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:21:43,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:44,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:44,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2018-09-26 22:21:44,319 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2018-09-26 22:21:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:21:44,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:47,396 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2018-09-26 22:21:48,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:48,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 82 states and 137 transitions. [2018-09-26 22:21:48,976 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 137 transitions. [2018-09-26 22:21:48,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:21:48,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:50,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 83 states and 137 transitions. [2018-09-26 22:21:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2018-09-26 22:21:50,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:21:50,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:50,973 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:51,852 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 76 [2018-09-26 22:21:52,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:52,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 85 states and 140 transitions. [2018-09-26 22:21:52,468 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 140 transitions. [2018-09-26 22:21:52,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:21:52,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:54,933 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:56,183 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2018-09-26 22:21:57,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:57,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 88 states and 145 transitions. [2018-09-26 22:21:57,551 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 145 transitions. [2018-09-26 22:21:57,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:21:57,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:59,060 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:21:59,970 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2018-09-26 22:22:00,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:00,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 90 states and 148 transitions. [2018-09-26 22:22:00,570 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 148 transitions. [2018-09-26 22:22:00,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:22:00,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:02,018 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:03,383 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2018-09-26 22:22:03,975 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-09-26 22:22:04,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:04,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 93 states and 153 transitions. [2018-09-26 22:22:04,890 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 153 transitions. [2018-09-26 22:22:04,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:22:04,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:05,820 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:06,831 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 86 [2018-09-26 22:22:07,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:07,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 95 states and 156 transitions. [2018-09-26 22:22:07,505 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 156 transitions. [2018-09-26 22:22:07,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:22:07,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:10,881 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:12,297 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2018-09-26 22:22:13,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 98 states and 161 transitions. [2018-09-26 22:22:13,876 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 161 transitions. [2018-09-26 22:22:13,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:22:13,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:16,031 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:17,094 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2018-09-26 22:22:17,769 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2018-09-26 22:22:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:17,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 100 states and 164 transitions. [2018-09-26 22:22:17,800 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 164 transitions. [2018-09-26 22:22:17,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:22:17,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:21,423 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2018-09-26 22:22:23,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:23,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 169 transitions. [2018-09-26 22:22:23,093 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2018-09-26 22:22:23,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:22:23,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:25,614 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2018-09-26 22:22:26,410 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-09-26 22:22:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:26,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 105 states and 172 transitions. [2018-09-26 22:22:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 172 transitions. [2018-09-26 22:22:26,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:22:26,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:30,142 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:31,829 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2018-09-26 22:22:32,563 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-26 22:22:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 108 states and 177 transitions. [2018-09-26 22:22:33,634 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 177 transitions. [2018-09-26 22:22:33,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:22:33,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:36,516 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:37,732 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2018-09-26 22:22:38,520 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-09-26 22:22:38,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:38,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 110 states and 180 transitions. [2018-09-26 22:22:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 180 transitions. [2018-09-26 22:22:38,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:22:38,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:42,382 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:55,245 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 133 [2018-09-26 22:22:56,085 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-09-26 22:22:57,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:57,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 135 states and 215 transitions. [2018-09-26 22:22:57,279 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 215 transitions. [2018-09-26 22:22:57,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:22:57,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:58,585 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:22:59,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:59,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 136 states and 215 transitions. [2018-09-26 22:22:59,240 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 215 transitions. [2018-09-26 22:22:59,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:22:59,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:00,531 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:01,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:01,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 137 states and 215 transitions. [2018-09-26 22:23:01,277 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 215 transitions. [2018-09-26 22:23:01,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:23:01,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:02,286 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:03,615 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2018-09-26 22:23:04,520 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-09-26 22:23:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:04,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 139 states and 218 transitions. [2018-09-26 22:23:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 218 transitions. [2018-09-26 22:23:04,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:23:04,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:06,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:06,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 140 states and 218 transitions. [2018-09-26 22:23:06,402 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 218 transitions. [2018-09-26 22:23:06,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:23:06,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:07,404 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:08,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:08,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 143 states and 221 transitions. [2018-09-26 22:23:08,686 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 221 transitions. [2018-09-26 22:23:08,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:23:08,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:13,386 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:15,849 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 139 [2018-09-26 22:23:17,075 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-09-26 22:23:18,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:18,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 146 states and 228 transitions. [2018-09-26 22:23:18,400 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 228 transitions. [2018-09-26 22:23:18,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:23:18,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:21,818 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:23,244 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2018-09-26 22:23:24,226 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-09-26 22:23:24,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:24,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 148 states and 231 transitions. [2018-09-26 22:23:24,261 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 231 transitions. [2018-09-26 22:23:24,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:23:24,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:27,837 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:28,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:28,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 149 states and 231 transitions. [2018-09-26 22:23:28,730 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 231 transitions. [2018-09-26 22:23:28,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:23:28,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:34,252 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 146 [2018-09-26 22:23:35,247 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-09-26 22:23:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:36,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 152 states and 236 transitions. [2018-09-26 22:23:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 236 transitions. [2018-09-26 22:23:36,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:23:36,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:38,988 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:23:40,541 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2018-09-26 22:23:41,633 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-26 22:23:41,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:41,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 154 states and 239 transitions. [2018-09-26 22:23:41,668 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 239 transitions. [2018-09-26 22:23:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:23:41,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:48,378 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 40 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:24:09,495 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-09-26 22:24:11,032 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-09-26 22:24:11,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:11,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 180 states and 271 transitions. [2018-09-26 22:24:11,216 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 271 transitions. [2018-09-26 22:24:11,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:24:11,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:11,292 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 40 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:24:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:13,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 183 states and 277 transitions. [2018-09-26 22:24:13,752 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 277 transitions. [2018-09-26 22:24:13,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:24:13,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 40 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:24:15,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 186 states and 280 transitions. [2018-09-26 22:24:15,432 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 280 transitions. [2018-09-26 22:24:15,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:24:15,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:15,504 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 40 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:24:16,586 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2018-09-26 22:24:17,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:17,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 187 states and 280 transitions. [2018-09-26 22:24:17,510 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 280 transitions. [2018-09-26 22:24:17,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:24:17,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:17,562 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 40 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:24:19,087 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-26 22:24:20,306 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-26 22:24:20,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:20,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 189 states and 283 transitions. [2018-09-26 22:24:20,344 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 283 transitions. [2018-09-26 22:24:20,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:24:20,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:20,414 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 40 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:24:21,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:21,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 190 states and 283 transitions. [2018-09-26 22:24:21,735 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 283 transitions. [2018-09-26 22:24:21,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:24:21,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:21,818 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 40 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:24:22,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:22,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 191 states and 283 transitions. [2018-09-26 22:24:22,996 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 283 transitions. [2018-09-26 22:24:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:24:22,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:23,120 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 80 proven. 380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:24:37,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:37,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 215 states and 312 transitions. [2018-09-26 22:24:37,044 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 312 transitions. [2018-09-26 22:24:37,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:24:37,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 80 proven. 380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:24:38,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:38,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 216 states and 312 transitions. [2018-09-26 22:24:38,263 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 312 transitions. [2018-09-26 22:24:38,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:24:38,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:38,336 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 80 proven. 380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:24:39,629 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2018-09-26 22:24:42,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:42,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 219 states and 318 transitions. [2018-09-26 22:24:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 318 transitions. [2018-09-26 22:24:42,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:24:42,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 80 proven. 380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:24:43,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 220 states and 318 transitions. [2018-09-26 22:24:43,452 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 318 transitions. [2018-09-26 22:24:43,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:24:43,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:43,503 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 80 proven. 380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:24:44,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:44,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 221 states and 318 transitions. [2018-09-26 22:24:44,477 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 318 transitions. [2018-09-26 22:24:44,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:24:44,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 80 proven. 380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:24:46,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:46,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 222 states and 318 transitions. [2018-09-26 22:24:46,337 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 318 transitions. [2018-09-26 22:24:46,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:24:46,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:46,415 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 80 proven. 380 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:24:47,502 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-09-26 22:24:48,460 WARN L178 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 16 [2018-09-26 22:24:51,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:51,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 225 states and 321 transitions. [2018-09-26 22:24:51,871 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 321 transitions. [2018-09-26 22:24:51,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:24:51,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 120 proven. 380 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. Received shutdown request... [2018-09-26 22:24:52,237 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-26 22:24:52,240 INFO L168 Benchmark]: Toolchain (without parser) took 244868.98 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 612.4 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -60.0 MB). Peak memory consumption was 552.4 MB. Max. memory is 7.1 GB. [2018-09-26 22:24:52,241 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:24:52,241 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.29 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:24:52,242 INFO L168 Benchmark]: Boogie Preprocessor took 27.72 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:24:52,242 INFO L168 Benchmark]: RCFGBuilder took 371.01 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. [2018-09-26 22:24:52,243 INFO L168 Benchmark]: CodeCheck took 244415.98 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 612.4 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -81.1 MB). Peak memory consumption was 531.2 MB. Max. memory is 7.1 GB. [2018-09-26 22:24:52,246 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 867 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.29 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 27.72 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 371.01 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 244415.98 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 612.4 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -81.1 MB). Peak memory consumption was 531.2 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/linear_search.i_5.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_22-24-52-259.csv Completed graceful shutdown