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/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-bd42740 [2018-09-23 22:16:23,141 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 22:16:23,143 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 22:16:23,157 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 22:16:23,158 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 22:16:23,159 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 22:16:23,160 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 22:16:23,162 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 22:16:23,164 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 22:16:23,165 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 22:16:23,166 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 22:16:23,166 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 22:16:23,167 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 22:16:23,168 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 22:16:23,169 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 22:16:23,170 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 22:16:23,171 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 22:16:23,173 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 22:16:23,175 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 22:16:23,177 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 22:16:23,178 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 22:16:23,180 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 22:16:23,182 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 22:16:23,183 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 22:16:23,183 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 22:16:23,184 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 22:16:23,185 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 22:16:23,186 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 22:16:23,187 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 22:16:23,188 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 22:16:23,188 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 22:16:23,189 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 22:16:23,189 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 22:16:23,190 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 22:16:23,191 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 22:16:23,192 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 22:16:23,192 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 [2018-09-23 22:16:23,221 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 22:16:23,221 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 22:16:23,223 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 22:16:23,223 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 22:16:23,224 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 22:16:23,224 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 22:16:23,225 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 22:16:23,225 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 22:16:23,225 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 22:16:23,225 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 22:16:23,226 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 22:16:23,226 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 22:16:23,226 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 22:16:23,226 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 22:16:23,228 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 22:16:23,228 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 22:16:23,228 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 22:16:23,228 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-23 22:16:23,229 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-23 22:16:23,229 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 22:16:23,229 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 22:16:23,229 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 22:16:23,231 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 22:16:23,231 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 22:16:23,231 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 22:16:23,231 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-23 22:16:23,232 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 22:16:23,232 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 22:16:23,232 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 22:16:23,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 22:16:23,315 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 22:16:23,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 22:16:23,323 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 22:16:23,324 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 22:16:23,325 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl [2018-09-23 22:16:23,325 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/doubleLoopUniformIterations.bpl' [2018-09-23 22:16:23,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 22:16:23,382 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 22:16:23,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 22:16:23,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 22:16:23,384 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 22:16:23,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:16:23" (1/1) ... [2018-09-23 22:16:23,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:16:23" (1/1) ... [2018-09-23 22:16:23,425 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-23 22:16:23,426 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-23 22:16:23,426 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-23 22:16:23,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 22:16:23,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 22:16:23,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 22:16:23,430 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 22:16:23,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:16:23" (1/1) ... [2018-09-23 22:16:23,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:16:23" (1/1) ... [2018-09-23 22:16:23,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:16:23" (1/1) ... [2018-09-23 22:16:23,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:16:23" (1/1) ... [2018-09-23 22:16:23,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:16:23" (1/1) ... [2018-09-23 22:16:23,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:16:23" (1/1) ... [2018-09-23 22:16:23,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:16:23" (1/1) ... [2018-09-23 22:16:23,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 22:16:23,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 22:16:23,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 22:16:23,456 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 22:16:23,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:16:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 22:16:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2018-09-23 22:16:23,535 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2018-09-23 22:16:23,724 INFO L351 CfgBuilder]: Using library mode [2018-09-23 22:16:23,724 INFO L202 PluginConnector]: Adding new model doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 10:16:23 BoogieIcfgContainer [2018-09-23 22:16:23,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 22:16:23,725 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-23 22:16:23,726 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-23 22:16:23,737 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-23 22:16:23,738 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "doubleLoopUniformIterations.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 10:16:23" (1/1) ... [2018-09-23 22:16:23,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 22:16:23,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:23,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-23 22:16:23,791 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-23 22:16:23,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-23 22:16:23,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:23,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:24,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2018-09-23 22:16:24,180 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2018-09-23 22:16:24,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:16:24,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:24,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:24,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:24,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-09-23 22:16:24,483 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-09-23 22:16:24,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 22:16:24,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:24,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:25,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:25,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2018-09-23 22:16:25,105 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2018-09-23 22:16:25,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 22:16:25,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:25,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:25,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:25,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-09-23 22:16:25,875 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-09-23 22:16:25,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-23 22:16:25,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:25,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:26,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 19 states and 34 transitions. [2018-09-23 22:16:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 34 transitions. [2018-09-23 22:16:26,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-23 22:16:26,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:26,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-09-23 22:16:26,760 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-09-23 22:16:26,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-23 22:16:26,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:27,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-09-23 22:16:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-09-23 22:16:27,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 22:16:27,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:27,484 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:27,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:27,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-09-23 22:16:27,659 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-09-23 22:16:27,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 22:16:27,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:27,713 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:27,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:27,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-09-23 22:16:27,960 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-09-23 22:16:27,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-23 22:16:27,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:28,046 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:28,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:28,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2018-09-23 22:16:28,314 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2018-09-23 22:16:28,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 22:16:28,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:28,522 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:28,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:28,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-09-23 22:16:28,744 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-09-23 22:16:28,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 22:16:28,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:28,929 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:29,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-09-23 22:16:29,269 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-09-23 22:16:29,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 22:16:29,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:29,463 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:29,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:29,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2018-09-23 22:16:29,715 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2018-09-23 22:16:29,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 22:16:29,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:29,822 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:30,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:30,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-09-23 22:16:30,310 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-09-23 22:16:30,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 22:16:30,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:31,099 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:31,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:31,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2018-09-23 22:16:31,277 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2018-09-23 22:16:31,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 22:16:31,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:32,054 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:32,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:32,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2018-09-23 22:16:32,435 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2018-09-23 22:16:32,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-23 22:16:32,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:32,597 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:32,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:32,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-09-23 22:16:32,939 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-09-23 22:16:32,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 22:16:32,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:33,141 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:33,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:33,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2018-09-23 22:16:33,362 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2018-09-23 22:16:33,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 22:16:33,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:33,523 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:33,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:33,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2018-09-23 22:16:33,865 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2018-09-23 22:16:33,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 22:16:33,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:34,117 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:34,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:34,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2018-09-23 22:16:34,527 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2018-09-23 22:16:34,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 22:16:34,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:34,673 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:35,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:35,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2018-09-23 22:16:35,075 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2018-09-23 22:16:35,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 22:16:35,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:35,418 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:35,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:35,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2018-09-23 22:16:35,626 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2018-09-23 22:16:35,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 22:16:35,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:35,881 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:36,308 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-09-23 22:16:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2018-09-23 22:16:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2018-09-23 22:16:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 22:16:36,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:36,796 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:37,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:37,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2018-09-23 22:16:37,127 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2018-09-23 22:16:37,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-23 22:16:37,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:38,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:38,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2018-09-23 22:16:38,044 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2018-09-23 22:16:38,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 22:16:38,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:38,315 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:38,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:38,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2018-09-23 22:16:38,717 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2018-09-23 22:16:38,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 22:16:38,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:39,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:39,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2018-09-23 22:16:39,647 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2018-09-23 22:16:39,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 22:16:39,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:40,038 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:41,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:41,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2018-09-23 22:16:41,031 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2018-09-23 22:16:41,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-23 22:16:41,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:41,194 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:41,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:41,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2018-09-23 22:16:41,684 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2018-09-23 22:16:41,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-23 22:16:41,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:42,377 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:42,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:42,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 56 states and 87 transitions. [2018-09-23 22:16:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 87 transitions. [2018-09-23 22:16:42,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-23 22:16:42,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:43,843 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:44,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:44,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 57 states and 89 transitions. [2018-09-23 22:16:44,656 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 89 transitions. [2018-09-23 22:16:44,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-23 22:16:44,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:44,830 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 66 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:45,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 91 transitions. [2018-09-23 22:16:45,330 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 91 transitions. [2018-09-23 22:16:45,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-23 22:16:45,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:46,245 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:46,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:46,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 60 states and 94 transitions. [2018-09-23 22:16:46,865 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 94 transitions. [2018-09-23 22:16:46,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 22:16:46,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:47,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:47,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2018-09-23 22:16:47,835 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2018-09-23 22:16:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 22:16:47,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:48,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:48,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 63 states and 99 transitions. [2018-09-23 22:16:48,943 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 99 transitions. [2018-09-23 22:16:48,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 22:16:48,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:49,471 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 66 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:49,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 64 states and 100 transitions. [2018-09-23 22:16:49,819 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2018-09-23 22:16:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 22:16:49,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:50,311 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 105 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:51,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:51,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 102 transitions. [2018-09-23 22:16:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2018-09-23 22:16:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-23 22:16:51,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:52,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:52,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 67 states and 105 transitions. [2018-09-23 22:16:52,186 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 105 transitions. [2018-09-23 22:16:52,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 22:16:52,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:53,230 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 66 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:53,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:53,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 69 states and 108 transitions. [2018-09-23 22:16:53,536 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2018-09-23 22:16:53,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 22:16:53,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 66 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:54,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 70 states and 110 transitions. [2018-09-23 22:16:54,913 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 110 transitions. [2018-09-23 22:16:54,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 22:16:54,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:55,229 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 105 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:56,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 71 states and 112 transitions. [2018-09-23 22:16:56,095 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 112 transitions. [2018-09-23 22:16:56,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-23 22:16:56,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:57,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:57,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 73 states and 115 transitions. [2018-09-23 22:16:57,001 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 115 transitions. [2018-09-23 22:16:57,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 22:16:57,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:58,185 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:58,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:58,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 75 states and 118 transitions. [2018-09-23 22:16:58,652 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 118 transitions. [2018-09-23 22:16:58,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 22:16:58,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:59,100 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2018-09-23 22:16:59,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:59,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 76 states and 120 transitions. [2018-09-23 22:16:59,804 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2018-09-23 22:16:59,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 22:16:59,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:59,993 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 105 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:00,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:00,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 77 states and 122 transitions. [2018-09-23 22:17:00,814 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2018-09-23 22:17:00,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 22:17:00,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:01,389 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 153 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:02,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:02,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 78 states and 124 transitions. [2018-09-23 22:17:02,662 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2018-09-23 22:17:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-23 22:17:02,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:03,009 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:04,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:04,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 80 states and 127 transitions. [2018-09-23 22:17:04,052 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 127 transitions. [2018-09-23 22:17:04,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 22:17:04,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:05,280 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 91 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:05,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:05,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 82 states and 130 transitions. [2018-09-23 22:17:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 130 transitions. [2018-09-23 22:17:05,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 22:17:05,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:05,833 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 91 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:06,011 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-09-23 22:17:06,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:06,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 83 states and 132 transitions. [2018-09-23 22:17:06,773 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2018-09-23 22:17:06,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 22:17:06,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:07,024 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 105 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:07,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:07,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 84 states and 133 transitions. [2018-09-23 22:17:07,491 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2018-09-23 22:17:07,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 22:17:07,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 153 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:08,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2018-09-23 22:17:08,945 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2018-09-23 22:17:08,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-23 22:17:08,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:09,764 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:10,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:10,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 87 states and 138 transitions. [2018-09-23 22:17:10,758 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2018-09-23 22:17:10,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 22:17:10,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:12,094 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 105 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:12,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2018-09-23 22:17:12,483 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2018-09-23 22:17:12,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 22:17:12,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:12,786 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 105 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:12,969 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2018-09-23 22:17:13,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:13,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 143 transitions. [2018-09-23 22:17:13,820 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2018-09-23 22:17:13,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 22:17:13,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:14,010 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 153 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:15,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 91 states and 145 transitions. [2018-09-23 22:17:15,075 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 145 transitions. [2018-09-23 22:17:15,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 22:17:15,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:15,808 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 210 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:17,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:17,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 92 states and 147 transitions. [2018-09-23 22:17:17,316 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 147 transitions. [2018-09-23 22:17:17,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-23 22:17:17,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:17,537 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:18,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:18,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 94 states and 150 transitions. [2018-09-23 22:17:18,520 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 150 transitions. [2018-09-23 22:17:18,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-23 22:17:18,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 120 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:20,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:20,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 96 states and 153 transitions. [2018-09-23 22:17:20,306 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2018-09-23 22:17:20,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-23 22:17:20,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 120 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:20,737 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2018-09-23 22:17:21,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:21,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 97 states and 155 transitions. [2018-09-23 22:17:21,691 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 155 transitions. [2018-09-23 22:17:21,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-23 22:17:21,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 153 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:22,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:22,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 98 states and 157 transitions. [2018-09-23 22:17:22,775 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2018-09-23 22:17:22,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-23 22:17:22,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:22,919 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 210 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:24,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:24,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 99 states and 159 transitions. [2018-09-23 22:17:24,161 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 159 transitions. [2018-09-23 22:17:24,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-23 22:17:24,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:24,399 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:25,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:25,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 101 states and 162 transitions. [2018-09-23 22:17:25,467 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 162 transitions. [2018-09-23 22:17:25,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 22:17:25,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:27,281 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 136 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:27,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:27,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 103 states and 165 transitions. [2018-09-23 22:17:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2018-09-23 22:17:27,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 22:17:27,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 136 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:28,171 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2018-09-23 22:17:29,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:29,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 104 states and 167 transitions. [2018-09-23 22:17:29,304 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2018-09-23 22:17:29,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 22:17:29,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:29,508 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 153 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:30,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:30,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 105 states and 168 transitions. [2018-09-23 22:17:30,101 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 168 transitions. [2018-09-23 22:17:30,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 22:17:30,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:30,202 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 210 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:31,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:31,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 106 states and 170 transitions. [2018-09-23 22:17:31,516 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 170 transitions. [2018-09-23 22:17:31,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 22:17:31,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:32,169 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 276 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:33,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:33,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 107 states and 172 transitions. [2018-09-23 22:17:33,864 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 172 transitions. [2018-09-23 22:17:33,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-23 22:17:33,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:34,088 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:35,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:35,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 109 states and 175 transitions. [2018-09-23 22:17:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 175 transitions. [2018-09-23 22:17:35,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 22:17:35,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:37,101 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 153 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:37,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:37,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 111 states and 178 transitions. [2018-09-23 22:17:37,631 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 178 transitions. [2018-09-23 22:17:37,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 22:17:37,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:38,390 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 153 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:38,640 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-09-23 22:17:39,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:39,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 112 states and 180 transitions. [2018-09-23 22:17:39,809 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 180 transitions. [2018-09-23 22:17:39,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 22:17:39,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:39,928 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 210 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:41,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:41,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 113 states and 182 transitions. [2018-09-23 22:17:41,383 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 182 transitions. [2018-09-23 22:17:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 22:17:41,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:41,669 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 276 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:43,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:43,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 114 states and 184 transitions. [2018-09-23 22:17:43,124 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 184 transitions. [2018-09-23 22:17:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-23 22:17:43,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:43,528 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:44,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:44,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 116 states and 187 transitions. [2018-09-23 22:17:44,803 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 187 transitions. [2018-09-23 22:17:44,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 22:17:44,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:46,748 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 171 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:47,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:47,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 118 states and 190 transitions. [2018-09-23 22:17:47,307 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 190 transitions. [2018-09-23 22:17:47,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 22:17:47,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:47,511 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 171 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:47,848 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2018-09-23 22:17:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:49,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 119 states and 192 transitions. [2018-09-23 22:17:49,169 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 192 transitions. [2018-09-23 22:17:49,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 22:17:49,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:49,392 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 210 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:50,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:50,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 120 states and 194 transitions. [2018-09-23 22:17:50,458 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 194 transitions. [2018-09-23 22:17:50,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 22:17:50,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:50,548 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 276 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:52,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:52,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 121 states and 196 transitions. [2018-09-23 22:17:52,074 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 196 transitions. [2018-09-23 22:17:52,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 22:17:52,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 351 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:54,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:54,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 122 states and 198 transitions. [2018-09-23 22:17:54,853 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 198 transitions. [2018-09-23 22:17:54,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-23 22:17:54,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:56,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:56,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 124 states and 201 transitions. [2018-09-23 22:17:56,566 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 201 transitions. [2018-09-23 22:17:56,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 22:17:56,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:58,787 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 190 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:59,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:59,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 126 states and 204 transitions. [2018-09-23 22:17:59,424 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 204 transitions. [2018-09-23 22:17:59,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 22:17:59,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:59,620 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 190 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:59,914 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2018-09-23 22:18:01,344 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-09-23 22:18:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:01,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 127 states and 206 transitions. [2018-09-23 22:18:01,484 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 206 transitions. [2018-09-23 22:18:01,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 22:18:01,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:01,666 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 210 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:02,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:02,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 128 states and 207 transitions. [2018-09-23 22:18:02,499 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 207 transitions. [2018-09-23 22:18:02,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 22:18:02,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:04,690 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 276 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:06,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 129 states and 209 transitions. [2018-09-23 22:18:06,322 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 209 transitions. [2018-09-23 22:18:06,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 22:18:06,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 351 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:08,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:08,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 130 states and 211 transitions. [2018-09-23 22:18:08,118 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 211 transitions. [2018-09-23 22:18:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-23 22:18:08,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:08,466 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:09,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 132 states and 214 transitions. [2018-09-23 22:18:09,990 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 214 transitions. [2018-09-23 22:18:09,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 22:18:09,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:12,560 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 210 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:13,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 134 states and 217 transitions. [2018-09-23 22:18:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 217 transitions. [2018-09-23 22:18:13,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 22:18:13,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:13,499 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 210 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:13,817 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2018-09-23 22:18:15,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:15,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 135 states and 219 transitions. [2018-09-23 22:18:15,412 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 219 transitions. [2018-09-23 22:18:15,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 22:18:15,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 276 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:17,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:17,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 136 states and 221 transitions. [2018-09-23 22:18:17,218 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 221 transitions. [2018-09-23 22:18:17,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 22:18:17,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:17,345 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 351 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:19,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:19,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 137 states and 223 transitions. [2018-09-23 22:18:19,226 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 223 transitions. [2018-09-23 22:18:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 22:18:19,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:20,222 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 435 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:22,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:22,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 138 states and 225 transitions. [2018-09-23 22:18:22,531 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 225 transitions. [2018-09-23 22:18:22,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-23 22:18:22,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:22,853 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:24,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:24,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 140 states and 228 transitions. [2018-09-23 22:18:24,542 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 228 transitions. [2018-09-23 22:18:24,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-23 22:18:24,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:27,417 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 231 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:28,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 142 states and 231 transitions. [2018-09-23 22:18:28,121 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 231 transitions. [2018-09-23 22:18:28,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-23 22:18:28,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:28,467 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 231 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:28,809 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-09-23 22:18:29,008 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-23 22:18:30,510 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-09-23 22:18:30,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:30,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 143 states and 233 transitions. [2018-09-23 22:18:30,589 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 233 transitions. [2018-09-23 22:18:30,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-23 22:18:30,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:31,105 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 276 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:32,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:32,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 144 states and 235 transitions. [2018-09-23 22:18:32,435 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 235 transitions. [2018-09-23 22:18:32,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-23 22:18:32,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:32,540 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 351 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:34,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:34,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2018-09-23 22:18:34,547 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2018-09-23 22:18:34,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-23 22:18:34,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:35,192 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 435 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:37,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:37,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 146 states and 239 transitions. [2018-09-23 22:18:37,154 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 239 transitions. [2018-09-23 22:18:37,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-23 22:18:37,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:37,444 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:38,120 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-09-23 22:18:39,195 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-09-23 22:18:39,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:39,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 148 states and 242 transitions. [2018-09-23 22:18:39,264 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 242 transitions. [2018-09-23 22:18:39,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 22:18:39,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:42,707 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 253 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:43,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:43,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 245 transitions. [2018-09-23 22:18:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2018-09-23 22:18:43,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 22:18:43,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:44,001 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 253 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:44,366 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 110 [2018-09-23 22:18:44,580 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-09-23 22:18:45,380 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-09-23 22:18:46,188 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-09-23 22:18:46,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:46,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 151 states and 247 transitions. [2018-09-23 22:18:46,288 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 247 transitions. [2018-09-23 22:18:46,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 22:18:46,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:46,496 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 276 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:47,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:47,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 152 states and 248 transitions. [2018-09-23 22:18:47,369 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 248 transitions. [2018-09-23 22:18:47,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 22:18:47,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:48,039 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 351 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:50,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:50,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 153 states and 250 transitions. [2018-09-23 22:18:50,044 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 250 transitions. [2018-09-23 22:18:50,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 22:18:50,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:50,178 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 435 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:52,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:52,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 154 states and 252 transitions. [2018-09-23 22:18:52,275 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 252 transitions. [2018-09-23 22:18:52,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 22:18:52,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:53,337 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 528 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:56,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:56,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 155 states and 254 transitions. [2018-09-23 22:18:56,038 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 254 transitions. [2018-09-23 22:18:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-23 22:18:56,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:58,048 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-23 22:18:59,238 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-09-23 22:18:59,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:59,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 157 states and 257 transitions. [2018-09-23 22:18:59,311 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 257 transitions. [2018-09-23 22:18:59,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 22:18:59,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:02,898 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 276 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:03,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:03,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 159 states and 260 transitions. [2018-09-23 22:19:03,686 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 260 transitions. [2018-09-23 22:19:03,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 22:19:03,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:04,088 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 276 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:04,473 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2018-09-23 22:19:04,699 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-23 22:19:05,593 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-23 22:19:06,477 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-23 22:19:06,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:06,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 160 states and 262 transitions. [2018-09-23 22:19:06,565 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 262 transitions. [2018-09-23 22:19:06,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 22:19:06,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:06,659 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 351 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:08,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:08,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 161 states and 264 transitions. [2018-09-23 22:19:08,757 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 264 transitions. [2018-09-23 22:19:08,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 22:19:08,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:08,856 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 435 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:11,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:11,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 162 states and 266 transitions. [2018-09-23 22:19:11,032 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 266 transitions. [2018-09-23 22:19:11,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 22:19:11,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:11,194 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 528 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:13,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:13,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 163 states and 268 transitions. [2018-09-23 22:19:13,553 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 268 transitions. [2018-09-23 22:19:13,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-23 22:19:13,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:13,960 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:14,772 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2018-09-23 22:19:16,045 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-09-23 22:19:16,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:16,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 165 states and 271 transitions. [2018-09-23 22:19:16,119 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 271 transitions. [2018-09-23 22:19:16,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 22:19:16,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:20,007 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 300 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:20,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:20,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 167 states and 274 transitions. [2018-09-23 22:19:20,941 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 274 transitions. [2018-09-23 22:19:20,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 22:19:20,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:21,123 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 300 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:21,533 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 120 [2018-09-23 22:19:21,777 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-23 22:19:22,745 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-23 22:19:23,706 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-23 22:19:23,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:23,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 168 states and 276 transitions. [2018-09-23 22:19:23,793 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 276 transitions. [2018-09-23 22:19:23,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 22:19:23,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:23,980 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 351 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:25,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:25,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 169 states and 278 transitions. [2018-09-23 22:19:25,577 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 278 transitions. [2018-09-23 22:19:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 22:19:25,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:25,675 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 435 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:27,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 170 states and 280 transitions. [2018-09-23 22:19:27,953 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 280 transitions. [2018-09-23 22:19:27,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 22:19:27,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:28,078 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 528 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:30,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 171 states and 282 transitions. [2018-09-23 22:19:30,435 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 282 transitions. [2018-09-23 22:19:30,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 22:19:30,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:31,691 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 630 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:34,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:34,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 172 states and 284 transitions. [2018-09-23 22:19:34,781 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 284 transitions. [2018-09-23 22:19:34,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-23 22:19:34,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:35,121 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:35,949 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-09-23 22:19:37,321 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-09-23 22:19:37,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:37,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 174 states and 287 transitions. [2018-09-23 22:19:37,403 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 287 transitions. [2018-09-23 22:19:37,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 22:19:37,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:41,857 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 325 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:42,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:42,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2018-09-23 22:19:42,779 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2018-09-23 22:19:42,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 22:19:42,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:42,959 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 325 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:43,398 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2018-09-23 22:19:43,658 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-23 22:19:44,696 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-23 22:19:45,746 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-09-23 22:19:45,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:45,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 177 states and 292 transitions. [2018-09-23 22:19:45,838 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 292 transitions. [2018-09-23 22:19:45,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 22:19:45,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:46,162 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 351 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:47,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:47,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 178 states and 293 transitions. [2018-09-23 22:19:47,239 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 293 transitions. [2018-09-23 22:19:47,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 22:19:47,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:47,337 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 435 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:49,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:49,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 179 states and 295 transitions. [2018-09-23 22:19:49,744 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 295 transitions. [2018-09-23 22:19:49,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 22:19:49,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:49,841 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 528 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:52,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:52,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 180 states and 297 transitions. [2018-09-23 22:19:52,451 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 297 transitions. [2018-09-23 22:19:52,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 22:19:52,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:52,555 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 630 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:55,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 181 states and 299 transitions. [2018-09-23 22:19:55,118 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 299 transitions. [2018-09-23 22:19:55,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-23 22:19:55,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:19:55,480 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:19:56,353 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-23 22:19:57,835 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-23 22:19:57,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:19:57,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 183 states and 302 transitions. [2018-09-23 22:19:57,917 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 302 transitions. [2018-09-23 22:19:57,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 22:19:57,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:19:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 351 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:03,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:03,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 185 states and 305 transitions. [2018-09-23 22:20:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 305 transitions. [2018-09-23 22:20:03,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 22:20:03,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:03,991 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 351 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:04,459 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2018-09-23 22:20:04,727 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-09-23 22:20:05,838 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-09-23 22:20:06,970 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-09-23 22:20:07,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:07,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 186 states and 307 transitions. [2018-09-23 22:20:07,088 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 307 transitions. [2018-09-23 22:20:07,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 22:20:07,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 435 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:09,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:09,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 187 states and 309 transitions. [2018-09-23 22:20:09,689 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 309 transitions. [2018-09-23 22:20:09,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 22:20:09,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:09,792 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 528 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:12,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:12,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 188 states and 311 transitions. [2018-09-23 22:20:12,405 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 311 transitions. [2018-09-23 22:20:12,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 22:20:12,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 630 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:15,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:15,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 189 states and 313 transitions. [2018-09-23 22:20:15,357 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 313 transitions. [2018-09-23 22:20:15,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 22:20:15,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 741 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:20,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:20,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 190 states and 315 transitions. [2018-09-23 22:20:20,139 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 315 transitions. [2018-09-23 22:20:20,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-23 22:20:20,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:20,528 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:21,471 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-09-23 22:20:23,068 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-09-23 22:20:23,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:23,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 192 states and 318 transitions. [2018-09-23 22:20:23,153 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 318 transitions. [2018-09-23 22:20:23,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-23 22:20:23,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:28,495 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 378 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:29,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:20:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 194 states and 321 transitions. [2018-09-23 22:20:29,530 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 321 transitions. [2018-09-23 22:20:29,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-23 22:20:29,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:20:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:20:29,769 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 378 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:20:30,271 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 135 Received shutdown request... [2018-09-23 22:20:30,299 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-23 22:20:30,301 INFO L168 Benchmark]: Toolchain (without parser) took 246921.73 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: -524.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-23 22:20:30,302 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 22:20:30,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.85 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 22:20:30,303 INFO L168 Benchmark]: Boogie Preprocessor took 26.31 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 22:20:30,303 INFO L168 Benchmark]: RCFGBuilder took 268.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-23 22:20:30,304 INFO L168 Benchmark]: CodeCheck took 246575.26 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: -545.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-23 22:20:30,306 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 1073 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.85 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 26.31 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 268.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 246575.26 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.0 GB in the end (delta: -545.8 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/doubleLoopUniformIterations.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-23_22-20-30-315.csv Completed graceful shutdown