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 0.1.23-2eb0a67 [2018-10-03 09:42:43,096 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 09:42:43,098 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 09:42:43,110 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 09:42:43,110 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 09:42:43,111 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 09:42:43,112 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 09:42:43,114 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 09:42:43,116 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 09:42:43,116 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 09:42:43,117 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 09:42:43,118 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 09:42:43,119 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 09:42:43,120 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 09:42:43,121 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 09:42:43,122 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 09:42:43,122 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 09:42:43,124 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 09:42:43,126 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 09:42:43,128 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 09:42:43,129 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 09:42:43,130 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 09:42:43,133 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 09:42:43,133 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 09:42:43,133 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 09:42:43,134 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 09:42:43,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 09:42:43,136 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 09:42:43,137 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 09:42:43,138 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 09:42:43,138 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 09:42:43,139 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 09:42:43,139 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 09:42:43,140 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 09:42:43,141 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 09:42:43,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 09:42:43,142 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 [2018-10-03 09:42:43,157 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 09:42:43,158 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 09:42:43,158 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 09:42:43,159 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 09:42:43,159 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 09:42:43,159 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 09:42:43,160 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 09:42:43,160 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 09:42:43,160 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 09:42:43,160 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 09:42:43,160 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 09:42:43,161 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 09:42:43,161 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 09:42:43,161 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 09:42:43,161 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 09:42:43,161 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 09:42:43,161 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 09:42:43,162 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 09:42:43,162 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 09:42:43,162 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 09:42:43,162 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 09:42:43,162 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 09:42:43,163 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 09:42:43,163 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 09:42:43,163 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 09:42:43,163 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 09:42:43,163 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 09:42:43,164 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 09:42:43,164 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 09:42:43,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 09:42:43,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 09:42:43,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 09:42:43,243 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 09:42:43,243 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 09:42:43,244 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl [2018-10-03 09:42:43,245 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl' [2018-10-03 09:42:43,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 09:42:43,304 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 09:42:43,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 09:42:43,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 09:42:43,305 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 09:42:43,324 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 03.10 09:42:43" (1/1) ... [2018-10-03 09:42:43,337 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 03.10 09:42:43" (1/1) ... [2018-10-03 09:42:43,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 09:42:43,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 09:42:43,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 09:42:43,345 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 09:42:43,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:42:43" (1/1) ... [2018-10-03 09:42:43,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:42:43" (1/1) ... [2018-10-03 09:42:43,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:42:43" (1/1) ... [2018-10-03 09:42:43,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:42:43" (1/1) ... [2018-10-03 09:42:43,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:42:43" (1/1) ... [2018-10-03 09:42:43,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:42:43" (1/1) ... [2018-10-03 09:42:43,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:42:43" (1/1) ... [2018-10-03 09:42:43,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 09:42:43,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 09:42:43,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 09:42:43,368 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 09:42:43,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:42:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 09:42:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-03 09:42:43,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-03 09:42:43,693 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-03 09:42:43,693 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 09:42:43 BoogieIcfgContainer [2018-10-03 09:42:43,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 09:42:43,694 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 09:42:43,694 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 09:42:43,706 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 09:42:43,706 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 09:42:43" (1/1) ... [2018-10-03 09:42:43,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 09:42:43,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:42:43,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-03 09:42:43,760 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-03 09:42:43,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-03 09:42:43,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:42:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:42:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:42:44,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:42:44,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-10-03 09:42:44,102 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-10-03 09:42:44,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 09:42:44,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:42:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:42:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:42:44,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:42:44,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-10-03 09:42:44,301 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-10-03 09:42:44,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 09:42:44,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:42:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:42:44,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:42:44,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:42:44,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-10-03 09:42:44,775 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-10-03 09:42:44,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 09:42:44,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:42:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:42:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-03 09:42:45,653 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-03 09:42:45,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:42:45,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-10-03 09:42:45,980 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-10-03 09:42:45,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-03 09:42:45,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:42:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:42:46,066 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-03 09:42:46,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:42:46,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2018-10-03 09:42:46,305 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-10-03 09:42:46,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-03 09:42:46,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:42:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:42:46,345 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-03 09:42:46,824 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-03 09:42:46,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:42:46,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2018-10-03 09:42:46,902 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2018-10-03 09:42:46,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-03 09:42:46,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:42:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:42:47,054 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-03 09:42:48,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:42:48,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2018-10-03 09:42:48,271 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2018-10-03 09:42:48,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-03 09:42:48,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:42:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:42:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 70 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-03 09:42:48,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:42:48,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2018-10-03 09:42:48,784 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-10-03 09:42:48,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-03 09:42:48,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:42:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:42:48,828 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 120 proven. 12 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-03 09:42:49,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:42:49,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2018-10-03 09:42:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-10-03 09:42:49,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-03 09:42:49,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:42:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:42:49,267 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-03 09:42:50,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:42:50,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2018-10-03 09:42:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-10-03 09:42:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-03 09:42:50,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:42:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:42:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 262 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-03 09:42:52,149 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-10-03 09:42:53,001 WARN L178 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-03 09:42:54,052 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-03 09:42:54,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:42:54,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 59 states and 65 transitions. [2018-10-03 09:42:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2018-10-03 09:42:54,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-03 09:42:54,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:42:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:42:54,107 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 322 proven. 12 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-10-03 09:42:54,604 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 9 [2018-10-03 09:42:54,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:42:54,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 61 states and 67 transitions. [2018-10-03 09:42:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2018-10-03 09:42:54,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-03 09:42:54,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:42:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:42:55,072 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-03 09:42:55,481 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-03 09:42:56,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:42:56,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 71 states and 78 transitions. [2018-10-03 09:42:56,577 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2018-10-03 09:42:56,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-03 09:42:56,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:42:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:42:56,620 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 448 proven. 12 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-10-03 09:42:56,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:42:56,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 73 states and 80 transitions. [2018-10-03 09:42:56,964 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2018-10-03 09:42:56,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-03 09:42:56,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:42:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:42:57,263 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 0 proven. 694 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-03 09:42:59,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:42:59,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2018-10-03 09:42:59,743 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2018-10-03 09:42:59,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-03 09:42:59,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:42:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:42:59,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 574 proven. 12 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2018-10-03 09:43:00,458 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 9 [2018-10-03 09:43:00,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:00,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 85 states and 93 transitions. [2018-10-03 09:43:00,993 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2018-10-03 09:43:00,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-03 09:43:00,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:01,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 0 proven. 988 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-10-03 09:43:03,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:03,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 95 states and 104 transitions. [2018-10-03 09:43:03,358 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2018-10-03 09:43:03,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-03 09:43:03,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:03,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 700 proven. 12 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2018-10-03 09:43:03,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:03,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 97 states and 106 transitions. [2018-10-03 09:43:03,924 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2018-10-03 09:43:03,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-03 09:43:03,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 0 proven. 1334 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-10-03 09:43:06,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:06,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 107 states and 117 transitions. [2018-10-03 09:43:06,387 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2018-10-03 09:43:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-03 09:43:06,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:06,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1812 backedges. 826 proven. 12 refuted. 0 times theorem prover too weak. 974 trivial. 0 not checked. [2018-10-03 09:43:07,158 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 9 [2018-10-03 09:43:07,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:07,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 109 states and 119 transitions. [2018-10-03 09:43:07,425 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2018-10-03 09:43:07,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-03 09:43:07,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:07,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1896 backedges. 0 proven. 1732 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-10-03 09:43:10,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:10,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 119 states and 130 transitions. [2018-10-03 09:43:10,893 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 130 transitions. [2018-10-03 09:43:10,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-03 09:43:10,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:10,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 952 proven. 12 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2018-10-03 09:43:11,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:11,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 121 states and 132 transitions. [2018-10-03 09:43:11,496 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 132 transitions. [2018-10-03 09:43:11,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-03 09:43:11,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:11,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2366 backedges. 0 proven. 2182 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-10-03 09:43:14,038 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-03 09:43:15,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:15,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 131 states and 143 transitions. [2018-10-03 09:43:15,048 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2018-10-03 09:43:15,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-03 09:43:15,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:15,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2784 backedges. 1078 proven. 12 refuted. 0 times theorem prover too weak. 1694 trivial. 0 not checked. [2018-10-03 09:43:15,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:15,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 133 states and 145 transitions. [2018-10-03 09:43:15,757 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2018-10-03 09:43:15,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-03 09:43:15,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 0 proven. 2684 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-03 09:43:19,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:19,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 143 states and 156 transitions. [2018-10-03 09:43:19,302 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2018-10-03 09:43:19,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-03 09:43:19,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:19,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3348 backedges. 1204 proven. 12 refuted. 0 times theorem prover too weak. 2132 trivial. 0 not checked. [2018-10-03 09:43:19,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:19,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 145 states and 158 transitions. [2018-10-03 09:43:19,912 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 158 transitions. [2018-10-03 09:43:19,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-03 09:43:19,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:20,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3462 backedges. 0 proven. 3238 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2018-10-03 09:43:24,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:24,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 155 states and 169 transitions. [2018-10-03 09:43:24,058 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 169 transitions. [2018-10-03 09:43:24,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-03 09:43:24,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:24,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3964 backedges. 1330 proven. 12 refuted. 0 times theorem prover too weak. 2622 trivial. 0 not checked. [2018-10-03 09:43:24,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:24,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 157 states and 171 transitions. [2018-10-03 09:43:24,844 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 171 transitions. [2018-10-03 09:43:24,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-03 09:43:24,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:25,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4088 backedges. 0 proven. 3844 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-10-03 09:43:29,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:29,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 167 states and 182 transitions. [2018-10-03 09:43:29,291 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 182 transitions. [2018-10-03 09:43:29,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-03 09:43:29,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:29,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4632 backedges. 1456 proven. 12 refuted. 0 times theorem prover too weak. 3164 trivial. 0 not checked. [2018-10-03 09:43:29,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 169 states and 184 transitions. [2018-10-03 09:43:29,953 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 184 transitions. [2018-10-03 09:43:29,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-03 09:43:29,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:31,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4766 backedges. 0 proven. 4502 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-10-03 09:43:34,210 WARN L178 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 9 [2018-10-03 09:43:38,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:38,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 179 states and 195 transitions. [2018-10-03 09:43:38,967 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 195 transitions. [2018-10-03 09:43:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-03 09:43:38,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:39,022 INFO L134 CoverageAnalysis]: Checked inductivity of 5352 backedges. 1582 proven. 12 refuted. 0 times theorem prover too weak. 3758 trivial. 0 not checked. [2018-10-03 09:43:39,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 181 states and 197 transitions. [2018-10-03 09:43:39,712 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 197 transitions. [2018-10-03 09:43:39,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-03 09:43:39,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:40,187 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 0 proven. 5212 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-10-03 09:43:45,059 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-10-03 09:43:45,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:45,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 191 states and 208 transitions. [2018-10-03 09:43:45,080 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 208 transitions. [2018-10-03 09:43:45,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-03 09:43:45,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:45,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6124 backedges. 1708 proven. 12 refuted. 0 times theorem prover too weak. 4404 trivial. 0 not checked. [2018-10-03 09:43:45,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:45,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 193 states and 210 transitions. [2018-10-03 09:43:45,863 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 210 transitions. [2018-10-03 09:43:45,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-03 09:43:45,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:46,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6278 backedges. 0 proven. 5974 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2018-10-03 09:43:51,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:51,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 203 states and 221 transitions. [2018-10-03 09:43:51,663 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 221 transitions. [2018-10-03 09:43:51,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-03 09:43:51,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:51,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6948 backedges. 1834 proven. 12 refuted. 0 times theorem prover too weak. 5102 trivial. 0 not checked. [2018-10-03 09:43:52,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:43:52,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 205 states and 223 transitions. [2018-10-03 09:43:52,601 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 223 transitions. [2018-10-03 09:43:52,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-03 09:43:52,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:43:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:43:54,401 INFO L134 CoverageAnalysis]: Checked inductivity of 7112 backedges. 0 proven. 6788 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-10-03 09:43:54,842 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-10-03 09:43:58,393 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-03 09:43:59,240 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-03 09:44:00,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:44:00,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 215 states and 234 transitions. [2018-10-03 09:44:00,506 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 234 transitions. [2018-10-03 09:44:00,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-03 09:44:00,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:44:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:44:00,565 INFO L134 CoverageAnalysis]: Checked inductivity of 7824 backedges. 1960 proven. 12 refuted. 0 times theorem prover too weak. 5852 trivial. 0 not checked. [2018-10-03 09:44:01,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:44:01,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 217 states and 236 transitions. [2018-10-03 09:44:01,583 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 236 transitions. [2018-10-03 09:44:01,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-03 09:44:01,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:44:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:44:02,658 INFO L134 CoverageAnalysis]: Checked inductivity of 7998 backedges. 0 proven. 7654 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2018-10-03 09:44:05,223 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2018-10-03 09:44:06,903 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-03 09:44:07,831 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-03 09:44:09,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:44:09,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 227 states and 247 transitions. [2018-10-03 09:44:09,090 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 247 transitions. [2018-10-03 09:44:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-03 09:44:09,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:44:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:44:09,156 INFO L134 CoverageAnalysis]: Checked inductivity of 8752 backedges. 2086 proven. 12 refuted. 0 times theorem prover too weak. 6654 trivial. 0 not checked. [2018-10-03 09:44:09,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:44:10,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 229 states and 249 transitions. [2018-10-03 09:44:10,000 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 249 transitions. [2018-10-03 09:44:10,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-03 09:44:10,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:44:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:44:10,942 INFO L134 CoverageAnalysis]: Checked inductivity of 8936 backedges. 0 proven. 8572 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-10-03 09:44:11,509 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-03 09:44:12,429 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-03 09:44:12,816 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-03 09:44:13,689 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-03 09:44:14,098 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-03 09:44:15,005 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-03 09:44:15,532 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-10-03 09:44:16,633 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-03 09:44:17,225 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-10-03 09:44:17,966 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-10-03 09:44:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:44:17,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 239 states and 260 transitions. [2018-10-03 09:44:17,987 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 260 transitions. [2018-10-03 09:44:17,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-03 09:44:17,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:44:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:44:18,051 INFO L134 CoverageAnalysis]: Checked inductivity of 9732 backedges. 2212 proven. 12 refuted. 0 times theorem prover too weak. 7508 trivial. 0 not checked. [2018-10-03 09:44:18,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:44:18,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 241 states and 262 transitions. [2018-10-03 09:44:18,914 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 262 transitions. [2018-10-03 09:44:18,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-10-03 09:44:18,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:44:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:44:19,633 INFO L134 CoverageAnalysis]: Checked inductivity of 9926 backedges. 0 proven. 9542 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-03 09:44:20,239 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-03 09:44:21,250 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-03 09:44:21,674 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-03 09:44:22,616 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-03 09:44:23,041 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-03 09:44:23,984 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-03 09:44:24,471 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-03 09:44:25,529 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-03 09:44:26,435 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-10-03 09:44:27,221 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-03 09:44:27,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:44:27,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 251 states and 273 transitions. [2018-10-03 09:44:27,243 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 273 transitions. [2018-10-03 09:44:27,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-03 09:44:27,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:44:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:44:27,372 INFO L134 CoverageAnalysis]: Checked inductivity of 10764 backedges. 2338 proven. 12 refuted. 0 times theorem prover too weak. 8414 trivial. 0 not checked. [2018-10-03 09:44:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:44:28,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 253 states and 275 transitions. [2018-10-03 09:44:28,266 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 275 transitions. [2018-10-03 09:44:28,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-03 09:44:28,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:44:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:44:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 10968 backedges. 0 proven. 10564 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2018-10-03 09:44:29,370 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-10-03 09:44:30,360 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-03 09:44:30,856 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-10-03 09:44:32,053 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-03 09:44:32,532 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-10-03 09:44:33,544 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-03 09:44:34,095 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-10-03 09:44:35,236 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-03 09:44:36,082 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-10-03 09:44:36,970 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-10-03 09:44:36,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:44:36,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 263 states and 286 transitions. [2018-10-03 09:44:36,992 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 286 transitions. [2018-10-03 09:44:36,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-03 09:44:36,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:44:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:44:37,064 INFO L134 CoverageAnalysis]: Checked inductivity of 11848 backedges. 2464 proven. 12 refuted. 0 times theorem prover too weak. 9372 trivial. 0 not checked. [2018-10-03 09:44:38,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:44:38,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 265 states and 288 transitions. [2018-10-03 09:44:38,074 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 288 transitions. [2018-10-03 09:44:38,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-03 09:44:38,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:44:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:44:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 12062 backedges. 0 proven. 11638 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2018-10-03 09:44:39,635 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-03 09:44:40,686 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-03 09:44:41,273 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-03 09:44:42,435 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-03 09:44:42,945 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-03 09:44:44,079 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-03 09:44:44,644 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-10-03 09:44:45,866 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-03 09:44:46,713 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-10-03 09:44:47,637 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-10-03 09:44:47,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:44:47,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 275 states and 299 transitions. [2018-10-03 09:44:47,658 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 299 transitions. [2018-10-03 09:44:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-03 09:44:47,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:44:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:44:47,730 INFO L134 CoverageAnalysis]: Checked inductivity of 12984 backedges. 2590 proven. 12 refuted. 0 times theorem prover too weak. 10382 trivial. 0 not checked. [2018-10-03 09:44:48,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:44:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 277 states and 301 transitions. [2018-10-03 09:44:48,677 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 301 transitions. [2018-10-03 09:44:48,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-03 09:44:48,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:44:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:44:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 13208 backedges. 0 proven. 12764 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2018-10-03 09:44:50,020 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-10-03 09:44:51,165 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-03 09:44:51,775 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-10-03 09:44:52,937 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-03 09:44:53,471 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-10-03 09:44:54,658 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-03 09:44:55,249 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-03 09:44:56,623 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-03 09:44:57,454 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-03 09:44:58,455 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-03 09:44:58,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:44:58,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 287 states and 312 transitions. [2018-10-03 09:44:58,479 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 312 transitions. [2018-10-03 09:44:58,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-10-03 09:44:58,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:44:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:44:58,552 INFO L134 CoverageAnalysis]: Checked inductivity of 14172 backedges. 2716 proven. 12 refuted. 0 times theorem prover too weak. 11444 trivial. 0 not checked. [2018-10-03 09:44:59,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:44:59,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 289 states and 314 transitions. [2018-10-03 09:44:59,498 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 314 transitions. [2018-10-03 09:44:59,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-10-03 09:44:59,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:44:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:45:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 14406 backedges. 0 proven. 13942 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2018-10-03 09:45:01,039 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-10-03 09:45:02,327 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-03 09:45:02,882 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-10-03 09:45:04,122 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-03 09:45:04,677 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-10-03 09:45:05,919 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-03 09:45:06,548 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-03 09:45:08,202 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-03 09:45:09,106 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-10-03 09:45:10,184 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-03 09:45:10,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:45:10,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 299 states and 325 transitions. [2018-10-03 09:45:10,209 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 325 transitions. [2018-10-03 09:45:10,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-10-03 09:45:10,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:45:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:45:10,292 INFO L134 CoverageAnalysis]: Checked inductivity of 15412 backedges. 2842 proven. 12 refuted. 0 times theorem prover too weak. 12558 trivial. 0 not checked. [2018-10-03 09:45:11,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:45:11,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 301 states and 327 transitions. [2018-10-03 09:45:11,311 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 327 transitions. [2018-10-03 09:45:11,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-03 09:45:11,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:45:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:45:12,229 INFO L134 CoverageAnalysis]: Checked inductivity of 15656 backedges. 0 proven. 15172 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2018-10-03 09:45:12,999 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-03 09:45:14,321 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-03 09:45:14,906 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-03 09:45:16,233 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-03 09:45:16,873 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-03 09:45:18,635 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-03 09:45:19,289 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-10-03 09:45:20,776 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-10-03 09:45:21,650 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-10-03 09:45:22,816 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-10-03 09:45:22,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:45:22,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 311 states and 338 transitions. [2018-10-03 09:45:22,843 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 338 transitions. [2018-10-03 09:45:22,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-10-03 09:45:22,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:45:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:45:22,923 INFO L134 CoverageAnalysis]: Checked inductivity of 16704 backedges. 2968 proven. 12 refuted. 0 times theorem prover too weak. 13724 trivial. 0 not checked. [2018-10-03 09:45:23,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:45:23,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 313 states and 340 transitions. [2018-10-03 09:45:23,982 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 340 transitions. [2018-10-03 09:45:23,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-10-03 09:45:23,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:45:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:45:24,619 INFO L134 CoverageAnalysis]: Checked inductivity of 16958 backedges. 0 proven. 16454 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2018-10-03 09:45:25,469 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-03 09:45:26,881 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-03 09:45:27,566 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-03 09:45:28,928 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-03 09:45:29,559 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-03 09:45:30,979 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-03 09:45:31,692 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-03 09:45:33,300 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-03 09:45:34,225 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-10-03 09:45:35,485 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-10-03 09:45:35,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:45:35,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 323 states and 351 transitions. [2018-10-03 09:45:35,506 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 351 transitions. [2018-10-03 09:45:35,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-03 09:45:35,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:45:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:45:35,602 INFO L134 CoverageAnalysis]: Checked inductivity of 18048 backedges. 3094 proven. 12 refuted. 0 times theorem prover too weak. 14942 trivial. 0 not checked. [2018-10-03 09:45:36,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:45:36,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 325 states and 353 transitions. [2018-10-03 09:45:36,686 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 353 transitions. [2018-10-03 09:45:36,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-10-03 09:45:36,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:45:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:45:37,336 INFO L134 CoverageAnalysis]: Checked inductivity of 18312 backedges. 0 proven. 17788 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2018-10-03 09:45:38,270 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-10-03 09:45:39,737 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-10-03 09:45:40,406 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-10-03 09:45:41,887 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-10-03 09:45:42,653 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-10-03 09:45:44,402 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-10-03 09:45:45,153 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-03 09:45:46,788 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-03 09:45:47,836 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-10-03 09:45:49,100 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-10-03 09:45:49,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:45:49,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 335 states and 364 transitions. [2018-10-03 09:45:49,124 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 364 transitions. [2018-10-03 09:45:49,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-10-03 09:45:49,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:45:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:45:49,213 INFO L134 CoverageAnalysis]: Checked inductivity of 19444 backedges. 3220 proven. 12 refuted. 0 times theorem prover too weak. 16212 trivial. 0 not checked. [2018-10-03 09:45:50,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:45:50,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 337 states and 366 transitions. [2018-10-03 09:45:50,365 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 366 transitions. [2018-10-03 09:45:50,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-10-03 09:45:50,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:45:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:45:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 19718 backedges. 0 proven. 19174 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2018-10-03 09:45:52,070 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-03 09:45:53,632 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-03 09:45:54,335 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-03 09:45:55,897 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-03 09:45:56,612 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-03 09:45:58,297 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-03 09:45:59,096 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-10-03 09:46:00,835 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-03 09:46:01,878 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-10-03 09:46:03,265 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-10-03 09:46:03,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:46:03,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 347 states and 377 transitions. [2018-10-03 09:46:03,289 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 377 transitions. [2018-10-03 09:46:03,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-10-03 09:46:03,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:46:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:46:03,363 INFO L134 CoverageAnalysis]: Checked inductivity of 20892 backedges. 3346 proven. 12 refuted. 0 times theorem prover too weak. 17534 trivial. 0 not checked. [2018-10-03 09:46:04,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:46:04,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 349 states and 379 transitions. [2018-10-03 09:46:04,563 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 379 transitions. [2018-10-03 09:46:04,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-10-03 09:46:04,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:46:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:46:05,403 INFO L134 CoverageAnalysis]: Checked inductivity of 21176 backedges. 0 proven. 20612 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2018-10-03 09:46:06,398 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-03 09:46:08,062 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-03 09:46:08,827 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-03 09:46:10,527 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-03 09:46:11,391 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-03 09:46:13,311 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-03 09:46:14,142 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-10-03 09:46:16,008 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-10-03 09:46:17,130 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-10-03 09:46:18,630 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-10-03 09:46:18,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:46:18,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 359 states and 390 transitions. [2018-10-03 09:46:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 390 transitions. [2018-10-03 09:46:18,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-10-03 09:46:18,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:46:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:46:18,750 INFO L134 CoverageAnalysis]: Checked inductivity of 22392 backedges. 3472 proven. 12 refuted. 0 times theorem prover too weak. 18908 trivial. 0 not checked. [2018-10-03 09:46:20,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:46:20,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 361 states and 392 transitions. [2018-10-03 09:46:20,028 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 392 transitions. [2018-10-03 09:46:20,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-10-03 09:46:20,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:46:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:46:20,829 INFO L134 CoverageAnalysis]: Checked inductivity of 22686 backedges. 0 proven. 22102 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2018-10-03 09:46:22,004 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-10-03 09:46:23,744 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-03 09:46:24,530 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-10-03 09:46:26,267 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-03 09:46:27,059 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-10-03 09:46:28,892 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-03 09:46:29,752 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-10-03 09:46:31,658 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-10-03 09:46:32,762 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-10-03 09:46:34,283 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-10-03 09:46:34,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:46:34,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 371 states and 403 transitions. [2018-10-03 09:46:34,317 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 403 transitions. [2018-10-03 09:46:34,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-10-03 09:46:34,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:46:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:46:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 23944 backedges. 3598 proven. 12 refuted. 0 times theorem prover too weak. 20334 trivial. 0 not checked. [2018-10-03 09:46:35,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:46:35,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 373 states and 405 transitions. [2018-10-03 09:46:35,855 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 405 transitions. [2018-10-03 09:46:35,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-10-03 09:46:35,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:46:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:46:36,685 INFO L134 CoverageAnalysis]: Checked inductivity of 24248 backedges. 0 proven. 23644 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2018-10-03 09:46:37,717 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-10-03 09:46:39,627 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-10-03 09:46:40,448 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-10-03 09:46:42,341 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-10-03 09:46:43,185 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-10-03 09:46:45,110 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-10-03 09:46:45,600 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 21 [2018-10-03 09:46:46,027 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-10-03 09:46:48,085 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-10-03 09:46:49,344 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-10-03 09:46:50,978 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-10-03 09:46:51,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:46:51,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 383 states and 416 transitions. [2018-10-03 09:46:51,007 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 416 transitions. [2018-10-03 09:46:51,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-10-03 09:46:51,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:46:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:46:51,098 INFO L134 CoverageAnalysis]: Checked inductivity of 25548 backedges. 3724 proven. 12 refuted. 0 times theorem prover too weak. 21812 trivial. 0 not checked. [2018-10-03 09:46:52,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:46:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 385 states and 418 transitions. [2018-10-03 09:46:52,481 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 418 transitions. [2018-10-03 09:46:52,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-10-03 09:46:52,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:46:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:46:53,308 INFO L134 CoverageAnalysis]: Checked inductivity of 25862 backedges. 0 proven. 25238 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2018-10-03 09:46:54,490 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 165 Received shutdown request... [2018-10-03 09:46:56,330 WARN L186 SmtUtils]: Removed 31 from assertion stack [2018-10-03 09:46:56,331 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-03 09:46:56,333 INFO L168 Benchmark]: Toolchain (without parser) took 253031.25 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 863.5 MB). Free memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: -605.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-03 09:46:56,333 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 09:46:56,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.64 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 09:46:56,334 INFO L168 Benchmark]: Boogie Preprocessor took 21.97 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 09:46:56,335 INFO L168 Benchmark]: RCFGBuilder took 326.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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. [2018-10-03 09:46:56,335 INFO L168 Benchmark]: CodeCheck took 252637.73 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 863.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -627.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-03 09:46:56,337 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 PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 166. * 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.64 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 21.97 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 326.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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 252637.73 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 863.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -627.0 MB). Peak memory consumption was 1.4 GB. 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-0-2018-10-03_09-46-56-347.csv Completed graceful shutdown