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/nested1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:20:56,990 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:20:56,992 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:20:57,004 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:20:57,004 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:20:57,005 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:20:57,007 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:20:57,010 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:20:57,013 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:20:57,017 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:20:57,018 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:20:57,018 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:20:57,022 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:20:57,024 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:20:57,028 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:20:57,029 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:20:57,030 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:20:57,032 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:20:57,035 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:20:57,037 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:20:57,038 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:20:57,043 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:20:57,048 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:20:57,048 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:20:57,048 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:20:57,050 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:20:57,051 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:20:57,052 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:20:57,053 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:20:57,054 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:20:57,054 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:20:57,056 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:20:57,057 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:20:57,057 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:20:57,060 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:20:57,061 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:20:57,061 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 22:20:57,080 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:20:57,080 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:20:57,081 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:20:57,081 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:20:57,083 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:20:57,083 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:20:57,083 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:20:57,084 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:20:57,084 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:20:57,084 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:20:57,084 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:20:57,086 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:20:57,086 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:20:57,086 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:20:57,086 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:20:57,086 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:20:57,087 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:20:57,087 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:20:57,087 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:20:57,088 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:20:57,089 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:20:57,089 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:20:57,089 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:20:57,089 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:20:57,090 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:20:57,090 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:20:57,090 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:20:57,090 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:20:57,090 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:20:57,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:20:57,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:20:57,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:20:57,161 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:20:57,162 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:20:57,163 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl [2018-09-26 22:20:57,163 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl' [2018-09-26 22:20:57,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:20:57,219 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:20:57,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:20:57,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:20:57,221 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:20:57,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:57" (1/1) ... [2018-09-26 22:20:57,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:57" (1/1) ... [2018-09-26 22:20:57,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:20:57,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:20:57,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:20:57,265 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:20:57,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:57" (1/1) ... [2018-09-26 22:20:57,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:57" (1/1) ... [2018-09-26 22:20:57,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:57" (1/1) ... [2018-09-26 22:20:57,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:57" (1/1) ... [2018-09-26 22:20:57,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:57" (1/1) ... [2018-09-26 22:20:57,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:57" (1/1) ... [2018-09-26 22:20:57,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:57" (1/1) ... [2018-09-26 22:20:57,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:20:57,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:20:57,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:20:57,287 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:20:57,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:20:57" (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 22:20:57,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:20:57,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:20:57,651 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:20:57,651 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:20:57 BoogieIcfgContainer [2018-09-26 22:20:57,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:20:57,652 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:20:57,652 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:20:57,664 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:20:57,664 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:20:57" (1/1) ... [2018-09-26 22:20:57,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:20:57,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:57,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-09-26 22:20:57,721 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-09-26 22:20:57,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:20:57,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:57,909 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 22:20:58,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:58,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-09-26 22:20:58,075 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-09-26 22:20:58,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:20:58,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:58,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:58,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:58,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-09-26 22:20:58,259 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-09-26 22:20:58,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:20:58,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:58,550 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-09-26 22:20:58,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:58,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-09-26 22:20:58,739 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-09-26 22:20:58,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:20:58,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:58,837 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-09-26 22:20:59,724 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-26 22:20:59,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:59,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-09-26 22:20:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-09-26 22:20:59,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:20:59,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:00,058 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-26 22:21:00,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:00,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2018-09-26 22:21:00,322 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-09-26 22:21:00,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:21:00,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:00,371 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-09-26 22:21:00,791 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-09-26 22:21:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:00,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2018-09-26 22:21:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2018-09-26 22:21:00,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:21:00,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:01,096 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-09-26 22:21:02,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:02,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2018-09-26 22:21:02,060 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2018-09-26 22:21:02,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:21:02,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:02,178 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 70 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-09-26 22:21:02,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:02,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2018-09-26 22:21:02,532 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-09-26 22:21:02,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:21:02,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:02,576 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 120 proven. 12 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-26 22:21:02,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2018-09-26 22:21:02,872 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-09-26 22:21:02,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:21:02,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:03,011 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-09-26 22:21:04,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:04,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2018-09-26 22:21:04,248 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-09-26 22:21:04,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:21:04,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:04,625 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 262 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-09-26 22:21:06,173 WARN L178 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-26 22:21:07,039 WARN L178 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-09-26 22:21:08,015 WARN L178 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-26 22:21:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:08,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 59 states and 65 transitions. [2018-09-26 22:21:08,104 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2018-09-26 22:21:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 22:21:08,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:08,188 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 322 proven. 12 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-09-26 22:21:08,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:08,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 61 states and 67 transitions. [2018-09-26 22:21:08,623 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2018-09-26 22:21:08,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 22:21:08,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:09,182 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-09-26 22:21:09,631 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-09-26 22:21:10,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:10,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 71 states and 78 transitions. [2018-09-26 22:21:10,768 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2018-09-26 22:21:10,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 22:21:10,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:10,812 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 448 proven. 12 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-09-26 22:21:11,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:11,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 73 states and 80 transitions. [2018-09-26 22:21:11,252 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2018-09-26 22:21:11,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-26 22:21:11,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:11,539 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 0 proven. 694 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-09-26 22:21:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:13,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2018-09-26 22:21:13,729 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2018-09-26 22:21:13,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-26 22:21:13,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:13,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 574 proven. 12 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2018-09-26 22:21:14,471 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 9 [2018-09-26 22:21:14,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:14,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 85 states and 93 transitions. [2018-09-26 22:21:14,799 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2018-09-26 22:21:14,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-26 22:21:14,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:15,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 0 proven. 988 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-09-26 22:21:17,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:17,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 95 states and 104 transitions. [2018-09-26 22:21:17,056 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2018-09-26 22:21:17,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-26 22:21:17,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:17,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 700 proven. 12 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2018-09-26 22:21:17,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:17,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 97 states and 106 transitions. [2018-09-26 22:21:17,929 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2018-09-26 22:21:17,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-26 22:21:17,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:19,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 0 proven. 1334 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-09-26 22:21:21,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:21,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 107 states and 117 transitions. [2018-09-26 22:21:21,320 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2018-09-26 22:21:21,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-26 22:21:21,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:21,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1812 backedges. 826 proven. 12 refuted. 0 times theorem prover too weak. 974 trivial. 0 not checked. [2018-09-26 22:21:21,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:21,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 109 states and 119 transitions. [2018-09-26 22:21:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2018-09-26 22:21:21,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-26 22:21:21,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:22,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1896 backedges. 0 proven. 1732 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-09-26 22:21:25,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:25,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 119 states and 130 transitions. [2018-09-26 22:21:25,338 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 130 transitions. [2018-09-26 22:21:25,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-26 22:21:25,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:25,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 952 proven. 12 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2018-09-26 22:21:25,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:25,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 121 states and 132 transitions. [2018-09-26 22:21:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 132 transitions. [2018-09-26 22:21:25,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-26 22:21:25,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2366 backedges. 0 proven. 2182 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-09-26 22:21:29,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:29,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 131 states and 143 transitions. [2018-09-26 22:21:29,408 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2018-09-26 22:21:29,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-26 22:21:29,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:29,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2784 backedges. 1078 proven. 12 refuted. 0 times theorem prover too weak. 1694 trivial. 0 not checked. [2018-09-26 22:21:29,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:29,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 133 states and 145 transitions. [2018-09-26 22:21:29,879 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2018-09-26 22:21:29,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-26 22:21:29,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:30,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 0 proven. 2684 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-09-26 22:21:33,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:33,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 143 states and 156 transitions. [2018-09-26 22:21:33,764 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2018-09-26 22:21:33,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-09-26 22:21:33,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3348 backedges. 1204 proven. 12 refuted. 0 times theorem prover too weak. 2132 trivial. 0 not checked. [2018-09-26 22:21:34,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:34,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 145 states and 158 transitions. [2018-09-26 22:21:34,315 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 158 transitions. [2018-09-26 22:21:34,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-26 22:21:34,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:34,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3462 backedges. 0 proven. 3238 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2018-09-26 22:21:38,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:38,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 155 states and 169 transitions. [2018-09-26 22:21:38,640 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 169 transitions. [2018-09-26 22:21:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-09-26 22:21:38,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:38,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3964 backedges. 1330 proven. 12 refuted. 0 times theorem prover too weak. 2622 trivial. 0 not checked. [2018-09-26 22:21:39,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:39,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 157 states and 171 transitions. [2018-09-26 22:21:39,430 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 171 transitions. [2018-09-26 22:21:39,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-09-26 22:21:39,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:40,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4088 backedges. 0 proven. 3844 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-09-26 22:21:43,437 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-09-26 22:21:44,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:44,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 167 states and 182 transitions. [2018-09-26 22:21:44,229 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 182 transitions. [2018-09-26 22:21:44,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-09-26 22:21:44,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:44,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4632 backedges. 1456 proven. 12 refuted. 0 times theorem prover too weak. 3164 trivial. 0 not checked. [2018-09-26 22:21:44,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:44,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 169 states and 184 transitions. [2018-09-26 22:21:44,867 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 184 transitions. [2018-09-26 22:21:44,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-09-26 22:21:44,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4766 backedges. 0 proven. 4502 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-09-26 22:21:49,263 WARN L178 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 9 [2018-09-26 22:21:50,364 WARN L178 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-09-26 22:21:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:54,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 179 states and 195 transitions. [2018-09-26 22:21:54,717 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 195 transitions. [2018-09-26 22:21:54,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-09-26 22:21:54,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:54,818 INFO L134 CoverageAnalysis]: Checked inductivity of 5352 backedges. 1582 proven. 12 refuted. 0 times theorem prover too weak. 3758 trivial. 0 not checked. [2018-09-26 22:21:55,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:21:55,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 181 states and 197 transitions. [2018-09-26 22:21:55,443 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 197 transitions. [2018-09-26 22:21:55,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-09-26 22:21:55,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:21:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:21:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 0 proven. 5212 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-09-26 22:22:01,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:01,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 191 states and 208 transitions. [2018-09-26 22:22:01,040 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 208 transitions. [2018-09-26 22:22:01,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-09-26 22:22:01,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:01,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6124 backedges. 1708 proven. 12 refuted. 0 times theorem prover too weak. 4404 trivial. 0 not checked. [2018-09-26 22:22:02,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:02,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 193 states and 210 transitions. [2018-09-26 22:22:02,175 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 210 transitions. [2018-09-26 22:22:02,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-09-26 22:22:02,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:02,677 INFO L134 CoverageAnalysis]: Checked inductivity of 6278 backedges. 0 proven. 5974 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2018-09-26 22:22:03,769 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-09-26 22:22:07,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:07,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 203 states and 221 transitions. [2018-09-26 22:22:07,895 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 221 transitions. [2018-09-26 22:22:07,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-09-26 22:22:07,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 6948 backedges. 1834 proven. 12 refuted. 0 times theorem prover too weak. 5102 trivial. 0 not checked. [2018-09-26 22:22:09,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:09,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 205 states and 223 transitions. [2018-09-26 22:22:09,275 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 223 transitions. [2018-09-26 22:22:09,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-09-26 22:22:09,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:10,179 INFO L134 CoverageAnalysis]: Checked inductivity of 7112 backedges. 0 proven. 6788 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-09-26 22:22:13,951 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-09-26 22:22:14,902 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-09-26 22:22:16,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:16,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 215 states and 234 transitions. [2018-09-26 22:22:16,054 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 234 transitions. [2018-09-26 22:22:16,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-09-26 22:22:16,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:16,116 INFO L134 CoverageAnalysis]: Checked inductivity of 7824 backedges. 1960 proven. 12 refuted. 0 times theorem prover too weak. 5852 trivial. 0 not checked. [2018-09-26 22:22:17,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:17,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 217 states and 236 transitions. [2018-09-26 22:22:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 236 transitions. [2018-09-26 22:22:17,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-09-26 22:22:17,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:17,645 INFO L134 CoverageAnalysis]: Checked inductivity of 7998 backedges. 0 proven. 7654 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2018-09-26 22:22:18,979 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2018-09-26 22:22:21,798 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-09-26 22:22:22,698 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-26 22:22:23,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:23,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 227 states and 247 transitions. [2018-09-26 22:22:23,967 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 247 transitions. [2018-09-26 22:22:23,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-09-26 22:22:23,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:24,040 INFO L134 CoverageAnalysis]: Checked inductivity of 8752 backedges. 2086 proven. 12 refuted. 0 times theorem prover too weak. 6654 trivial. 0 not checked. [2018-09-26 22:22:24,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:24,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 229 states and 249 transitions. [2018-09-26 22:22:24,947 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 249 transitions. [2018-09-26 22:22:24,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-09-26 22:22:24,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:25,420 INFO L134 CoverageAnalysis]: Checked inductivity of 8936 backedges. 0 proven. 8572 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-09-26 22:22:26,006 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-09-26 22:22:26,854 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-09-26 22:22:29,416 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-09-26 22:22:29,885 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-09-26 22:22:30,837 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-09-26 22:22:31,421 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-09-26 22:22:32,191 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-09-26 22:22:32,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:32,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 239 states and 260 transitions. [2018-09-26 22:22:32,214 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 260 transitions. [2018-09-26 22:22:32,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-09-26 22:22:32,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:32,280 INFO L134 CoverageAnalysis]: Checked inductivity of 9732 backedges. 2212 proven. 12 refuted. 0 times theorem prover too weak. 7508 trivial. 0 not checked. [2018-09-26 22:22:33,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:33,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 241 states and 262 transitions. [2018-09-26 22:22:33,364 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 262 transitions. [2018-09-26 22:22:33,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-09-26 22:22:33,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:34,348 INFO L134 CoverageAnalysis]: Checked inductivity of 9926 backedges. 0 proven. 9542 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-09-26 22:22:35,066 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-09-26 22:22:35,962 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-26 22:22:36,384 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-09-26 22:22:37,298 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-26 22:22:37,732 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-09-26 22:22:38,668 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-26 22:22:39,149 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-09-26 22:22:40,428 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-26 22:22:41,062 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-09-26 22:22:41,830 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-26 22:22:41,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:41,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 251 states and 273 transitions. [2018-09-26 22:22:41,849 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 273 transitions. [2018-09-26 22:22:41,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-09-26 22:22:41,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 10764 backedges. 2338 proven. 12 refuted. 0 times theorem prover too weak. 8414 trivial. 0 not checked. [2018-09-26 22:22:42,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:42,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 253 states and 275 transitions. [2018-09-26 22:22:42,971 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 275 transitions. [2018-09-26 22:22:42,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-09-26 22:22:42,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:43,543 INFO L134 CoverageAnalysis]: Checked inductivity of 10968 backedges. 0 proven. 10564 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2018-09-26 22:22:44,132 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-09-26 22:22:45,172 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-09-26 22:22:45,621 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-09-26 22:22:46,620 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-09-26 22:22:47,092 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-09-26 22:22:48,138 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-09-26 22:22:48,657 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-09-26 22:22:49,840 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-26 22:22:50,628 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-09-26 22:22:51,477 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-09-26 22:22:51,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:51,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 263 states and 286 transitions. [2018-09-26 22:22:51,497 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 286 transitions. [2018-09-26 22:22:51,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-09-26 22:22:51,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:51,568 INFO L134 CoverageAnalysis]: Checked inductivity of 11848 backedges. 2464 proven. 12 refuted. 0 times theorem prover too weak. 9372 trivial. 0 not checked. [2018-09-26 22:22:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:22:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 265 states and 288 transitions. [2018-09-26 22:22:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 288 transitions. [2018-09-26 22:22:52,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-09-26 22:22:52,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:22:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:22:53,512 INFO L134 CoverageAnalysis]: Checked inductivity of 12062 backedges. 0 proven. 11638 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2018-09-26 22:22:54,153 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-09-26 22:22:55,291 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-26 22:22:55,779 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-09-26 22:22:56,953 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-26 22:22:57,447 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-09-26 22:22:58,491 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-26 22:22:59,032 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-09-26 22:23:00,339 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-26 22:23:01,110 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-26 22:23:02,011 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-09-26 22:23:02,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:02,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 275 states and 299 transitions. [2018-09-26 22:23:02,032 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 299 transitions. [2018-09-26 22:23:02,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-09-26 22:23:02,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 12984 backedges. 2590 proven. 12 refuted. 0 times theorem prover too weak. 10382 trivial. 0 not checked. [2018-09-26 22:23:03,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:03,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 277 states and 301 transitions. [2018-09-26 22:23:03,090 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 301 transitions. [2018-09-26 22:23:03,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-09-26 22:23:03,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:03,793 INFO L134 CoverageAnalysis]: Checked inductivity of 13208 backedges. 0 proven. 12764 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2018-09-26 22:23:04,462 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-09-26 22:23:05,696 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-26 22:23:06,204 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-09-26 22:23:07,340 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-26 22:23:07,885 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-09-26 22:23:09,048 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-26 22:23:09,618 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-26 22:23:10,960 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-09-26 22:23:11,752 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-26 22:23:12,725 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-26 22:23:12,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:12,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 287 states and 312 transitions. [2018-09-26 22:23:12,747 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 312 transitions. [2018-09-26 22:23:12,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-09-26 22:23:12,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 14172 backedges. 2716 proven. 12 refuted. 0 times theorem prover too weak. 11444 trivial. 0 not checked. [2018-09-26 22:23:13,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:13,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 289 states and 314 transitions. [2018-09-26 22:23:13,831 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 314 transitions. [2018-09-26 22:23:13,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-09-26 22:23:13,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 14406 backedges. 0 proven. 13942 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2018-09-26 22:23:15,175 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-09-26 22:23:16,708 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-26 22:23:17,266 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-09-26 22:23:18,462 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-26 22:23:19,026 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-09-26 22:23:20,271 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-26 22:23:20,640 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 21 [2018-09-26 22:23:20,929 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-09-26 22:23:22,264 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-09-26 22:23:23,112 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-09-26 22:23:24,233 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-09-26 22:23:24,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:24,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 299 states and 325 transitions. [2018-09-26 22:23:24,253 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 325 transitions. [2018-09-26 22:23:24,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-09-26 22:23:24,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 15412 backedges. 2842 proven. 12 refuted. 0 times theorem prover too weak. 12558 trivial. 0 not checked. [2018-09-26 22:23:25,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 301 states and 327 transitions. [2018-09-26 22:23:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 327 transitions. [2018-09-26 22:23:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-09-26 22:23:25,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:26,218 INFO L134 CoverageAnalysis]: Checked inductivity of 15656 backedges. 0 proven. 15172 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2018-09-26 22:23:26,997 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-26 22:23:28,275 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-09-26 22:23:28,853 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-26 22:23:30,119 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-09-26 22:23:30,778 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-26 22:23:32,256 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-09-26 22:23:32,917 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-09-26 22:23:34,357 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-09-26 22:23:35,232 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-09-26 22:23:36,358 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-09-26 22:23:36,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:36,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 311 states and 338 transitions. [2018-09-26 22:23:36,382 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 338 transitions. [2018-09-26 22:23:36,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-09-26 22:23:36,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:36,476 INFO L134 CoverageAnalysis]: Checked inductivity of 16704 backedges. 2968 proven. 12 refuted. 0 times theorem prover too weak. 13724 trivial. 0 not checked. [2018-09-26 22:23:37,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:37,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 313 states and 340 transitions. [2018-09-26 22:23:37,653 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 340 transitions. [2018-09-26 22:23:37,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-09-26 22:23:37,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 16958 backedges. 0 proven. 16454 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2018-09-26 22:23:38,816 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 9 [2018-09-26 22:23:39,110 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-09-26 22:23:40,461 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-09-26 22:23:41,180 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-09-26 22:23:42,549 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-09-26 22:23:43,170 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-09-26 22:23:44,558 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-09-26 22:23:45,255 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-09-26 22:23:46,797 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-09-26 22:23:47,701 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-09-26 22:23:48,908 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-09-26 22:23:48,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:48,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 323 states and 351 transitions. [2018-09-26 22:23:48,934 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 351 transitions. [2018-09-26 22:23:48,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-09-26 22:23:48,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:49,015 INFO L134 CoverageAnalysis]: Checked inductivity of 18048 backedges. 3094 proven. 12 refuted. 0 times theorem prover too weak. 14942 trivial. 0 not checked. [2018-09-26 22:23:50,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:23:50,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 325 states and 353 transitions. [2018-09-26 22:23:50,129 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 353 transitions. [2018-09-26 22:23:50,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-09-26 22:23:50,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:23:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:23:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 18312 backedges. 0 proven. 17788 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2018-09-26 22:23:52,101 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-09-26 22:23:53,521 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-09-26 22:23:54,184 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-09-26 22:23:55,679 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-09-26 22:23:56,396 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-09-26 22:23:57,934 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-09-26 22:23:58,659 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-09-26 22:24:00,283 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-09-26 22:24:01,241 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-09-26 22:24:02,549 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-09-26 22:24:02,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:02,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 335 states and 364 transitions. [2018-09-26 22:24:02,573 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 364 transitions. [2018-09-26 22:24:02,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-09-26 22:24:02,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 19444 backedges. 3220 proven. 12 refuted. 0 times theorem prover too weak. 16212 trivial. 0 not checked. [2018-09-26 22:24:03,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:03,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 337 states and 366 transitions. [2018-09-26 22:24:03,801 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 366 transitions. [2018-09-26 22:24:03,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-09-26 22:24:03,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:04,510 INFO L134 CoverageAnalysis]: Checked inductivity of 19718 backedges. 0 proven. 19174 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2018-09-26 22:24:05,379 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-09-26 22:24:06,929 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-09-26 22:24:07,613 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-09-26 22:24:09,175 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-09-26 22:24:09,896 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-09-26 22:24:11,465 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-09-26 22:24:12,326 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-09-26 22:24:14,034 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-09-26 22:24:15,060 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-09-26 22:24:16,379 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-09-26 22:24:16,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:16,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 347 states and 377 transitions. [2018-09-26 22:24:16,404 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 377 transitions. [2018-09-26 22:24:16,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-09-26 22:24:16,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:16,494 INFO L134 CoverageAnalysis]: Checked inductivity of 20892 backedges. 3346 proven. 12 refuted. 0 times theorem prover too weak. 17534 trivial. 0 not checked. [2018-09-26 22:24:17,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:17,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 349 states and 379 transitions. [2018-09-26 22:24:17,954 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 379 transitions. [2018-09-26 22:24:17,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-09-26 22:24:17,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:18,688 INFO L134 CoverageAnalysis]: Checked inductivity of 21176 backedges. 0 proven. 20612 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2018-09-26 22:24:19,685 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-09-26 22:24:21,310 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-09-26 22:24:22,115 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-09-26 22:24:23,732 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-09-26 22:24:24,487 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-09-26 22:24:26,148 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-09-26 22:24:27,091 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-09-26 22:24:28,954 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-09-26 22:24:30,053 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-09-26 22:24:31,455 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-09-26 22:24:31,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 359 states and 390 transitions. [2018-09-26 22:24:31,481 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 390 transitions. [2018-09-26 22:24:31,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-09-26 22:24:31,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:31,574 INFO L134 CoverageAnalysis]: Checked inductivity of 22392 backedges. 3472 proven. 12 refuted. 0 times theorem prover too weak. 18908 trivial. 0 not checked. [2018-09-26 22:24:33,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:33,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 361 states and 392 transitions. [2018-09-26 22:24:33,142 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 392 transitions. [2018-09-26 22:24:33,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-09-26 22:24:33,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:33,946 INFO L134 CoverageAnalysis]: Checked inductivity of 22686 backedges. 0 proven. 22102 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2018-09-26 22:24:35,053 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-09-26 22:24:36,741 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-09-26 22:24:37,569 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-09-26 22:24:39,248 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-09-26 22:24:40,030 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-09-26 22:24:41,814 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-09-26 22:24:42,291 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 21 [2018-09-26 22:24:42,735 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-09-26 22:24:44,624 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-09-26 22:24:45,759 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-09-26 22:24:47,230 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-09-26 22:24:47,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:47,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 371 states and 403 transitions. [2018-09-26 22:24:47,261 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 403 transitions. [2018-09-26 22:24:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-09-26 22:24:47,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:47,414 INFO L134 CoverageAnalysis]: Checked inductivity of 23944 backedges. 3598 proven. 12 refuted. 0 times theorem prover too weak. 20334 trivial. 0 not checked. [2018-09-26 22:24:48,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:24:48,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 373 states and 405 transitions. [2018-09-26 22:24:48,818 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 405 transitions. [2018-09-26 22:24:48,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-09-26 22:24:48,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:24:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:24:49,631 INFO L134 CoverageAnalysis]: Checked inductivity of 24248 backedges. 0 proven. 23644 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2018-09-26 22:24:50,630 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-09-26 22:24:52,425 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-09-26 22:24:52,891 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 9 [2018-09-26 22:24:53,325 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-09-26 22:24:55,199 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-09-26 22:24:56,039 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-09-26 22:24:57,945 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-09-26 22:24:58,832 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-26 22:25:00,891 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-26 22:25:02,112 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-09-26 22:25:03,694 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-26 22:25:03,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:03,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 383 states and 416 transitions. [2018-09-26 22:25:03,721 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 416 transitions. [2018-09-26 22:25:03,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-09-26 22:25:03,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:03,815 INFO L134 CoverageAnalysis]: Checked inductivity of 25548 backedges. 3724 proven. 12 refuted. 0 times theorem prover too weak. 21812 trivial. 0 not checked. [2018-09-26 22:25:05,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:25:05,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 385 states and 418 transitions. [2018-09-26 22:25:05,184 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 418 transitions. [2018-09-26 22:25:05,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-09-26 22:25:05,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:25:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:25:06,072 INFO L134 CoverageAnalysis]: Checked inductivity of 25862 backedges. 0 proven. 25238 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2018-09-26 22:25:07,149 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 165 Received shutdown request... [2018-09-26 22:25:08,860 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 22:25:08,862 INFO L168 Benchmark]: Toolchain (without parser) took 251644.80 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 760.7 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -112.0 MB). Peak memory consumption was 648.7 MB. Max. memory is 7.1 GB. [2018-09-26 22:25:08,862 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:25:08,863 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:25:08,863 INFO L168 Benchmark]: Boogie Preprocessor took 21.51 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:25:08,863 INFO L168 Benchmark]: RCFGBuilder took 365.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 22:25:08,864 INFO L168 Benchmark]: CodeCheck took 251208.78 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 760.7 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -133.2 MB). Peak memory consumption was 627.6 MB. Max. memory is 7.1 GB. [2018-09-26 22:25:08,866 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 762 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.51 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 365.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 251208.78 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 760.7 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -133.2 MB). Peak memory consumption was 627.6 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/nested1.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_22-25-08-876.csv Completed graceful shutdown