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/DivisibilityInterpolantRequired01-BackwardSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:25:04,919 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:25:04,921 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:25:04,934 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:25:04,934 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:25:04,935 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:25:04,936 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:25:04,938 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:25:04,939 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:25:04,940 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:25:04,941 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:25:04,941 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:25:04,942 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:25:04,943 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:25:04,944 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:25:04,945 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:25:04,946 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:25:04,948 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:25:04,950 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:25:04,952 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:25:04,953 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:25:04,954 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:25:04,956 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:25:04,957 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:25:04,957 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:25:04,958 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:25:04,959 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:25:04,960 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:25:04,961 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:25:04,962 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:25:04,962 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:25:04,963 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:25:04,963 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:25:04,963 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:25:04,964 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:25:04,966 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:25:04,966 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-04 13:25:04,993 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:25:04,993 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:25:04,994 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:25:04,994 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:25:04,995 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:25:04,995 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:25:04,995 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:25:04,996 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:25:04,997 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:25:04,997 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:25:04,997 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:25:04,997 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:25:04,997 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:25:04,998 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:25:04,998 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:25:04,998 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:25:04,998 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:25:04,999 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:25:04,999 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:25:04,999 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:25:04,999 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:25:04,999 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:25:05,000 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:25:05,001 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:25:05,001 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:25:05,001 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:25:05,002 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:25:05,002 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:25:05,002 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:25:05,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:25:05,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:25:05,090 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:25:05,092 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:25:05,093 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:25:05,093 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl [2018-10-04 13:25:05,094 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl' [2018-10-04 13:25:05,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:25:05,148 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:25:05,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:25:05,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:25:05,149 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:25:05,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:25:05" (1/1) ... [2018-10-04 13:25:05,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:25:05" (1/1) ... [2018-10-04 13:25:05,189 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 13:25:05,189 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 13:25:05,190 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 13:25:05,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:25:05,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:25:05,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:25:05,193 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:25:05,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:25:05" (1/1) ... [2018-10-04 13:25:05,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:25:05" (1/1) ... [2018-10-04 13:25:05,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:25:05" (1/1) ... [2018-10-04 13:25:05,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:25:05" (1/1) ... [2018-10-04 13:25:05,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:25:05" (1/1) ... [2018-10-04 13:25:05,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:25:05" (1/1) ... [2018-10-04 13:25:05,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:25:05" (1/1) ... [2018-10-04 13:25:05,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:25:05,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:25:05,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:25:05,218 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:25:05,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:25:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:25:05,294 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-10-04 13:25:05,295 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-10-04 13:25:05,502 INFO L338 CfgBuilder]: Using library mode [2018-10-04 13:25:05,503 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:25:05 BoogieIcfgContainer [2018-10-04 13:25:05,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:25:05,504 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:25:05,504 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:25:05,516 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:25:05,516 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:25:05" (1/1) ... [2018-10-04 13:25:05,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:25:05,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:05,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-04 13:25:05,570 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-04 13:25:05,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-04 13:25:05,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:05,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:05,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:05,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-04 13:25:05,946 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-04 13:25:05,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 13:25:05,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:06,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:06,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:06,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 6 states and 9 transitions. [2018-10-04 13:25:06,226 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 9 transitions. [2018-10-04 13:25:06,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:25:06,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:06,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:06,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:06,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-10-04 13:25:06,734 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-10-04 13:25:06,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 13:25:06,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:07,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:07,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 8 states and 13 transitions. [2018-10-04 13:25:07,138 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 13 transitions. [2018-10-04 13:25:07,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:25:07,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:07,202 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:07,662 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-04 13:25:07,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:07,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-10-04 13:25:07,747 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-10-04 13:25:07,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:25:07,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:08,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:08,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-10-04 13:25:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-10-04 13:25:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:25:08,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:08,127 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:08,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:08,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2018-10-04 13:25:08,636 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2018-10-04 13:25:08,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 13:25:08,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:08,712 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:08,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:08,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2018-10-04 13:25:08,965 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2018-10-04 13:25:08,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:25:08,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:09,079 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:09,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 13 states and 23 transitions. [2018-10-04 13:25:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 23 transitions. [2018-10-04 13:25:09,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:25:09,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:09,442 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:09,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:09,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2018-10-04 13:25:09,710 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2018-10-04 13:25:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:25:09,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:09,834 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:10,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:10,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-10-04 13:25:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-10-04 13:25:10,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:25:10,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:10,461 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:10,853 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-04 13:25:10,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:10,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 16 states and 29 transitions. [2018-10-04 13:25:10,876 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 29 transitions. [2018-10-04 13:25:10,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:25:10,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:11,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:11,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2018-10-04 13:25:11,446 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2018-10-04 13:25:11,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:25:11,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:11,573 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:12,017 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-10-04 13:25:12,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:12,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2018-10-04 13:25:12,070 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2018-10-04 13:25:12,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:25:12,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:12,243 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:12,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2018-10-04 13:25:12,712 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2018-10-04 13:25:12,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:25:12,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:12,867 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:13,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:13,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 37 transitions. [2018-10-04 13:25:13,641 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2018-10-04 13:25:13,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:25:13,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:13,762 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:14,012 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-10-04 13:25:14,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:14,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 39 transitions. [2018-10-04 13:25:14,288 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 39 transitions. [2018-10-04 13:25:14,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:25:14,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:14,440 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:15,068 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-04 13:25:15,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2018-10-04 13:25:15,093 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2018-10-04 13:25:15,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:25:15,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:15,250 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:15,562 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-10-04 13:25:15,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:15,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2018-10-04 13:25:15,876 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2018-10-04 13:25:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 13:25:15,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:17,108 WARN L178 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-10-04 13:25:17,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2018-10-04 13:25:17,223 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2018-10-04 13:25:17,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:25:17,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:17,848 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-10-04 13:25:18,169 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-04 13:25:18,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:18,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2018-10-04 13:25:18,193 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2018-10-04 13:25:18,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 13:25:18,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:18,986 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:19,267 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-10-04 13:25:20,030 WARN L178 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-10-04 13:25:20,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:20,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2018-10-04 13:25:20,066 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2018-10-04 13:25:20,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:25:20,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:20,280 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:20,956 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-10-04 13:25:21,765 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-10-04 13:25:21,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:21,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2018-10-04 13:25:21,804 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2018-10-04 13:25:21,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 13:25:21,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:21,956 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:22,422 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-04 13:25:22,854 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-04 13:25:22,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2018-10-04 13:25:22,876 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2018-10-04 13:25:22,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:25:22,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:23,992 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:24,331 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-10-04 13:25:24,721 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-04 13:25:24,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:24,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 55 transitions. [2018-10-04 13:25:24,745 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 55 transitions. [2018-10-04 13:25:24,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 13:25:24,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:24,970 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:25,461 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-10-04 13:25:25,919 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-10-04 13:25:25,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:25,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2018-10-04 13:25:25,955 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2018-10-04 13:25:25,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:25:25,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:26,153 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:26,649 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-10-04 13:25:27,078 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-10-04 13:25:27,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:27,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2018-10-04 13:25:27,122 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2018-10-04 13:25:27,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 13:25:27,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:27,329 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:27,828 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-10-04 13:25:28,707 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-10-04 13:25:28,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:28,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2018-10-04 13:25:28,730 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2018-10-04 13:25:28,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:25:28,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:29,056 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:29,848 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-10-04 13:25:30,789 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-10-04 13:25:30,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:30,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2018-10-04 13:25:30,837 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2018-10-04 13:25:30,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 13:25:30,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:32,019 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-10-04 13:25:32,533 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-10-04 13:25:32,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:32,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2018-10-04 13:25:32,559 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2018-10-04 13:25:32,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:25:32,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:32,917 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:33,495 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-10-04 13:25:34,076 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-10-04 13:25:34,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 67 transitions. [2018-10-04 13:25:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 67 transitions. [2018-10-04 13:25:34,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 13:25:34,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:34,701 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:35,169 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-10-04 13:25:36,050 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-10-04 13:25:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:36,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2018-10-04 13:25:36,095 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2018-10-04 13:25:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:25:36,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:36,318 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:36,806 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-10-04 13:25:37,396 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2018-10-04 13:25:37,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:37,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2018-10-04 13:25:37,425 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2018-10-04 13:25:37,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 13:25:37,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:38,246 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-10-04 13:25:38,875 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-10-04 13:25:38,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:38,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2018-10-04 13:25:38,905 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2018-10-04 13:25:38,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:25:38,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:39,115 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:39,640 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-10-04 13:25:40,338 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-10-04 13:25:40,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:40,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2018-10-04 13:25:40,363 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2018-10-04 13:25:40,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 13:25:40,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:41,012 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:41,637 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-10-04 13:25:42,319 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-10-04 13:25:42,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:42,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2018-10-04 13:25:42,356 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2018-10-04 13:25:42,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:25:42,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:42,680 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:43,355 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-10-04 13:25:44,076 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-10-04 13:25:44,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:44,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 79 transitions. [2018-10-04 13:25:44,126 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2018-10-04 13:25:44,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 13:25:44,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:44,427 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:45,025 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-10-04 13:25:45,817 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2018-10-04 13:25:45,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:45,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 81 transitions. [2018-10-04 13:25:45,847 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2018-10-04 13:25:45,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:25:45,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:46,221 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:46,957 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-10-04 13:25:47,744 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-10-04 13:25:47,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:47,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 43 states and 83 transitions. [2018-10-04 13:25:47,803 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2018-10-04 13:25:47,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 13:25:47,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:48,549 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:49,217 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-10-04 13:25:50,025 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-10-04 13:25:50,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:50,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2018-10-04 13:25:50,055 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2018-10-04 13:25:50,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:25:50,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:50,330 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:51,142 WARN L178 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-10-04 13:25:52,011 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2018-10-04 13:25:52,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:52,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2018-10-04 13:25:52,042 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2018-10-04 13:25:52,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 13:25:52,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:53,036 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-10-04 13:25:53,959 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-10-04 13:25:53,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:53,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2018-10-04 13:25:53,988 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2018-10-04 13:25:53,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:25:53,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:54,346 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:55,074 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-10-04 13:25:56,074 WARN L178 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-10-04 13:25:56,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:56,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2018-10-04 13:25:56,117 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2018-10-04 13:25:56,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 13:25:56,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:56,762 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:57,569 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-10-04 13:25:58,540 WARN L178 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2018-10-04 13:25:58,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:58,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 93 transitions. [2018-10-04 13:25:58,569 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 93 transitions. [2018-10-04 13:25:58,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:25:58,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:59,423 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:00,208 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-10-04 13:26:01,303 WARN L178 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-10-04 13:26:01,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:01,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 49 states and 95 transitions. [2018-10-04 13:26:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2018-10-04 13:26:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 13:26:01,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:01,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:02,479 WARN L178 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-10-04 13:26:03,496 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-10-04 13:26:03,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 97 transitions. [2018-10-04 13:26:03,525 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 97 transitions. [2018-10-04 13:26:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:26:03,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:03,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:04,650 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-10-04 13:26:05,687 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2018-10-04 13:26:05,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:05,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2018-10-04 13:26:05,713 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2018-10-04 13:26:05,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 13:26:05,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:06,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:07,120 WARN L178 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-10-04 13:26:08,228 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-10-04 13:26:08,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:08,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2018-10-04 13:26:08,261 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2018-10-04 13:26:08,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:26:08,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:08,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:09,719 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-10-04 13:26:10,871 WARN L178 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2018-10-04 13:26:10,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:10,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 103 transitions. [2018-10-04 13:26:10,909 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 103 transitions. [2018-10-04 13:26:10,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 13:26:10,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:11,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:12,407 WARN L178 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-10-04 13:26:13,585 WARN L178 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-10-04 13:26:13,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:13,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 105 transitions. [2018-10-04 13:26:13,615 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 105 transitions. [2018-10-04 13:26:13,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:26:13,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:14,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:15,084 WARN L178 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-10-04 13:26:16,302 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2018-10-04 13:26:16,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:16,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 107 transitions. [2018-10-04 13:26:16,335 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2018-10-04 13:26:16,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 13:26:16,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:16,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:17,792 WARN L178 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2018-10-04 13:26:19,043 WARN L178 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2018-10-04 13:26:19,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:19,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 109 transitions. [2018-10-04 13:26:19,075 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2018-10-04 13:26:19,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 13:26:19,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:20,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:21,238 WARN L178 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-10-04 13:26:22,561 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-10-04 13:26:22,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:22,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 111 transitions. [2018-10-04 13:26:22,598 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 111 transitions. [2018-10-04 13:26:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 13:26:22,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:25,228 WARN L178 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2018-10-04 13:26:26,553 WARN L178 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-10-04 13:26:26,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:26,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 113 transitions. [2018-10-04 13:26:26,587 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2018-10-04 13:26:26,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 13:26:26,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:27,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:28,460 WARN L178 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2018-10-04 13:26:29,862 WARN L178 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2018-10-04 13:26:29,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:29,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2018-10-04 13:26:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2018-10-04 13:26:29,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 13:26:29,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:30,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:31,464 WARN L178 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-10-04 13:26:32,926 WARN L178 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-10-04 13:26:32,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:32,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 60 states and 117 transitions. [2018-10-04 13:26:32,964 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 117 transitions. [2018-10-04 13:26:32,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 13:26:32,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:33,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:34,477 WARN L178 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-10-04 13:26:35,941 WARN L178 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-10-04 13:26:35,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 119 transitions. [2018-10-04 13:26:35,976 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 119 transitions. [2018-10-04 13:26:35,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 13:26:35,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:36,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:37,628 WARN L178 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2018-10-04 13:26:39,116 WARN L178 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2018-10-04 13:26:39,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:39,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 121 transitions. [2018-10-04 13:26:39,155 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 121 transitions. [2018-10-04 13:26:39,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 13:26:39,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:39,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:40,925 WARN L178 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-10-04 13:26:42,587 WARN L178 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2018-10-04 13:26:42,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:42,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 123 transitions. [2018-10-04 13:26:42,624 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 123 transitions. [2018-10-04 13:26:42,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-04 13:26:42,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:44,324 WARN L178 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-10-04 13:26:45,899 WARN L178 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-10-04 13:26:45,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:45,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 64 states and 125 transitions. [2018-10-04 13:26:45,936 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2018-10-04 13:26:45,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 13:26:45,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:47,814 WARN L178 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-10-04 13:26:49,468 WARN L178 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-10-04 13:26:49,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 127 transitions. [2018-10-04 13:26:49,506 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 127 transitions. [2018-10-04 13:26:49,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 13:26:49,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:49,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:51,260 WARN L178 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2018-10-04 13:26:52,987 WARN L178 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2018-10-04 13:26:53,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:53,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 66 states and 129 transitions. [2018-10-04 13:26:53,023 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 129 transitions. [2018-10-04 13:26:53,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 13:26:53,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:54,828 WARN L178 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2018-10-04 13:26:56,602 WARN L178 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2018-10-04 13:26:56,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:56,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 131 transitions. [2018-10-04 13:26:56,639 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 131 transitions. [2018-10-04 13:26:56,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 13:26:56,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:57,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:59,719 WARN L178 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-10-04 13:27:01,451 WARN L178 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-10-04 13:27:01,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:01,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 133 transitions. [2018-10-04 13:27:01,491 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2018-10-04 13:27:01,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 13:27:01,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:03,447 WARN L178 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-10-04 13:27:05,261 WARN L178 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-10-04 13:27:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:05,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 135 transitions. [2018-10-04 13:27:05,299 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 135 transitions. [2018-10-04 13:27:05,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-04 13:27:05,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:05,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:07,257 WARN L178 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2018-10-04 13:27:09,164 WARN L178 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-10-04 13:27:09,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:09,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 70 states and 137 transitions. [2018-10-04 13:27:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 137 transitions. [2018-10-04 13:27:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 13:27:09,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:09,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:11,254 WARN L178 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2018-10-04 13:27:13,292 WARN L178 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2018-10-04 13:27:13,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:13,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 71 states and 139 transitions. [2018-10-04 13:27:13,331 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2018-10-04 13:27:13,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 13:27:13,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:15,325 WARN L178 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-10-04 13:27:17,296 WARN L178 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-10-04 13:27:17,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:17,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 72 states and 141 transitions. [2018-10-04 13:27:17,334 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2018-10-04 13:27:17,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 13:27:17,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:17,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:19,578 WARN L178 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2018-10-04 13:27:21,609 WARN L178 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2018-10-04 13:27:21,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:21,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 143 transitions. [2018-10-04 13:27:21,650 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 143 transitions. [2018-10-04 13:27:21,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 13:27:21,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:22,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:23,942 WARN L178 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2018-10-04 13:27:26,006 WARN L178 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-10-04 13:27:26,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:26,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 74 states and 145 transitions. [2018-10-04 13:27:26,045 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2018-10-04 13:27:26,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 13:27:26,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:26,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:28,318 WARN L178 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-10-04 13:27:30,426 WARN L178 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2018-10-04 13:27:30,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:30,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 147 transitions. [2018-10-04 13:27:30,465 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2018-10-04 13:27:30,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-04 13:27:30,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:31,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:32,731 WARN L178 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2018-10-04 13:27:34,940 WARN L178 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-10-04 13:27:34,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:34,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 76 states and 149 transitions. [2018-10-04 13:27:34,981 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 149 transitions. [2018-10-04 13:27:34,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 13:27:34,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:38,871 WARN L178 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2018-10-04 13:27:41,079 WARN L178 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2018-10-04 13:27:41,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:41,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 77 states and 151 transitions. [2018-10-04 13:27:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 151 transitions. [2018-10-04 13:27:41,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 13:27:41,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:42,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:44,235 WARN L178 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2018-10-04 13:27:46,504 WARN L178 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2018-10-04 13:27:46,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:46,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2018-10-04 13:27:46,546 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2018-10-04 13:27:46,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 13:27:46,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:50,197 WARN L178 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-10-04 13:27:52,514 WARN L178 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2018-10-04 13:27:52,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:52,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 79 states and 155 transitions. [2018-10-04 13:27:52,556 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 155 transitions. [2018-10-04 13:27:52,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 13:27:52,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:53,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:54,996 WARN L178 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2018-10-04 13:27:57,364 WARN L178 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-10-04 13:27:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:57,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 80 states and 157 transitions. [2018-10-04 13:27:57,423 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 157 transitions. [2018-10-04 13:27:57,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 13:27:57,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:58,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:00,927 WARN L178 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-10-04 13:28:03,358 WARN L178 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2018-10-04 13:28:03,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:03,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2018-10-04 13:28:03,401 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2018-10-04 13:28:03,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-04 13:28:03,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:04,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:06,148 WARN L178 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2018-10-04 13:28:08,663 WARN L178 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-10-04 13:28:08,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:08,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2018-10-04 13:28:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2018-10-04 13:28:08,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 13:28:08,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:09,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:11,592 WARN L178 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2018-10-04 13:28:14,187 WARN L178 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2018-10-04 13:28:14,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:14,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 163 transitions. [2018-10-04 13:28:14,230 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2018-10-04 13:28:14,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 13:28:14,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:16,955 WARN L178 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2018-10-04 13:28:19,663 WARN L178 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2018-10-04 13:28:19,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:19,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 84 states and 165 transitions. [2018-10-04 13:28:19,710 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 165 transitions. [2018-10-04 13:28:19,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 13:28:19,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:21,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:23,309 WARN L178 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-10-04 13:28:26,031 WARN L178 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2018-10-04 13:28:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 85 states and 167 transitions. [2018-10-04 13:28:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 167 transitions. [2018-10-04 13:28:26,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 13:28:26,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:26,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:28,946 WARN L178 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2018-10-04 13:28:31,728 WARN L178 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2018-10-04 13:28:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:31,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 86 states and 169 transitions. [2018-10-04 13:28:31,774 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 169 transitions. [2018-10-04 13:28:31,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 13:28:31,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:34,822 WARN L178 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-10-04 13:28:37,642 WARN L178 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2018-10-04 13:28:37,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:37,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 87 states and 171 transitions. [2018-10-04 13:28:37,688 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 171 transitions. [2018-10-04 13:28:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 13:28:37,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:38,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:40,678 WARN L178 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 422 [2018-10-04 13:28:43,558 WARN L178 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-10-04 13:28:43,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:43,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 88 states and 173 transitions. [2018-10-04 13:28:43,603 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 173 transitions. [2018-10-04 13:28:43,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 13:28:43,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:44,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:46,614 WARN L178 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2018-10-04 13:28:49,551 WARN L178 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 428 [2018-10-04 13:28:49,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:49,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 89 states and 175 transitions. [2018-10-04 13:28:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 175 transitions. [2018-10-04 13:28:49,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 13:28:49,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:50,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:52,731 WARN L178 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 432 [2018-10-04 13:28:55,826 WARN L178 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2018-10-04 13:28:55,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:55,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 90 states and 177 transitions. [2018-10-04 13:28:55,872 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 177 transitions. [2018-10-04 13:28:55,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 13:28:55,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:56,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:58,925 WARN L178 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2018-10-04 13:29:01,993 WARN L178 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2018-10-04 13:29:02,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:02,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 91 states and 179 transitions. [2018-10-04 13:29:02,038 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 179 transitions. [2018-10-04 13:29:02,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 13:29:02,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:02,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:05,193 WARN L178 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2018-10-04 13:29:08,342 WARN L178 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2018-10-04 13:29:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:08,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 92 states and 181 transitions. [2018-10-04 13:29:08,389 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 181 transitions. [2018-10-04 13:29:08,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 13:29:08,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:09,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:11,619 WARN L178 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-10-04 13:29:14,794 WARN L178 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2018-10-04 13:29:14,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:29:14,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 93 states and 183 transitions. [2018-10-04 13:29:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 183 transitions. [2018-10-04 13:29:14,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-04 13:29:14,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:29:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:29:18,338 WARN L178 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 452 Received shutdown request... [2018-10-04 13:29:19,229 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 13:29:19,232 INFO L168 Benchmark]: Toolchain (without parser) took 254085.81 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -120.1 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 446.9 MB). Peak memory consumption was 326.8 MB. Max. memory is 7.1 GB. [2018-10-04 13:29:19,233 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:29:19,234 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.68 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:29:19,234 INFO L168 Benchmark]: Boogie Preprocessor took 24.12 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:29:19,234 INFO L168 Benchmark]: RCFGBuilder took 286.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 13:29:19,235 INFO L168 Benchmark]: CodeCheck took 253727.56 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -120.1 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 425.8 MB). Peak memory consumption was 305.7 MB. Max. memory is 7.1 GB. [2018-10-04 13:29:19,237 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 359 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.68 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 24.12 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 286.29 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 253727.56 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -120.1 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 425.8 MB). Peak memory consumption was 305.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DivisibilityInterpolantRequired01-BackwardSuccess.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_13-29-19-247.csv Completed graceful shutdown