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/real-life/threadpooling_out3.mover.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 20:57:20,024 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 20:57:20,026 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 20:57:20,037 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 20:57:20,037 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 20:57:20,038 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 20:57:20,039 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 20:57:20,041 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 20:57:20,045 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 20:57:20,046 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 20:57:20,046 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 20:57:20,047 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 20:57:20,048 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 20:57:20,053 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 20:57:20,054 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 20:57:20,055 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 20:57:20,059 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 20:57:20,064 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 20:57:20,068 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 20:57:20,070 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 20:57:20,071 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 20:57:20,073 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 20:57:20,081 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 20:57:20,081 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 20:57:20,081 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 20:57:20,082 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 20:57:20,085 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 20:57:20,085 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 20:57:20,086 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 20:57:20,087 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 20:57:20,087 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 20:57:20,090 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 20:57:20,090 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 20:57:20,090 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 20:57:20,091 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 20:57:20,092 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 20:57:20,092 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-30 20:57:20,115 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 20:57:20,115 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 20:57:20,119 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 20:57:20,119 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 20:57:20,120 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 20:57:20,120 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 20:57:20,121 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 20:57:20,121 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 20:57:20,121 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 20:57:20,121 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 20:57:20,121 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 20:57:20,122 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 20:57:20,122 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 20:57:20,122 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 20:57:20,122 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 20:57:20,122 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 20:57:20,124 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 20:57:20,124 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 20:57:20,124 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 20:57:20,124 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 20:57:20,125 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 20:57:20,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 20:57:20,125 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 20:57:20,125 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 20:57:20,125 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 20:57:20,126 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 20:57:20,126 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 20:57:20,126 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 20:57:20,126 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 20:57:20,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 20:57:20,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 20:57:20,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 20:57:20,196 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 20:57:20,197 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 20:57:20,198 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3.mover.bpl [2018-09-30 20:57:20,198 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_out3.mover.bpl' [2018-09-30 20:57:20,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 20:57:20,304 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 20:57:20,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 20:57:20,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 20:57:20,305 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 20:57:20,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:20" (1/1) ... [2018-09-30 20:57:20,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:20" (1/1) ... [2018-09-30 20:57:20,363 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 20:57:20,365 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 20:57:20,366 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 20:57:20,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 20:57:20,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 20:57:20,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 20:57:20,373 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 20:57:20,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:20" (1/1) ... [2018-09-30 20:57:20,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:20" (1/1) ... [2018-09-30 20:57:20,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:20" (1/1) ... [2018-09-30 20:57:20,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:20" (1/1) ... [2018-09-30 20:57:20,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:20" (1/1) ... [2018-09-30 20:57:20,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:20" (1/1) ... [2018-09-30 20:57:20,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:20" (1/1) ... [2018-09-30 20:57:20,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 20:57:20,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 20:57:20,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 20:57:20,413 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 20:57:20,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:57:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 20:57:20,492 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-30 20:57:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-30 20:57:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-30 20:57:21,816 INFO L345 CfgBuilder]: Using library mode [2018-09-30 20:57:21,817 INFO L202 PluginConnector]: Adding new model threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:57:21 BoogieIcfgContainer [2018-09-30 20:57:21,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 20:57:21,818 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 20:57:21,818 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 20:57:21,834 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 20:57:21,834 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_out3.mover.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:57:21" (1/1) ... [2018-09-30 20:57:21,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:57:21,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:21,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 55 states and 136 transitions. [2018-09-30 20:57:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 136 transitions. [2018-09-30 20:57:21,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 20:57:21,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:22,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:22,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:22,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 58 states and 156 transitions. [2018-09-30 20:57:22,511 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 156 transitions. [2018-09-30 20:57:22,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 20:57:22,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:22,881 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 8 [2018-09-30 20:57:23,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:23,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:23,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 61 states and 178 transitions. [2018-09-30 20:57:23,553 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 178 transitions. [2018-09-30 20:57:23,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 20:57:23,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:23,814 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 8 [2018-09-30 20:57:23,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:24,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:24,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 63 states and 193 transitions. [2018-09-30 20:57:24,158 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 193 transitions. [2018-09-30 20:57:24,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:24,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:24,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:24,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:24,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 65 states and 209 transitions. [2018-09-30 20:57:24,275 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 209 transitions. [2018-09-30 20:57:24,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:24,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:24,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:24,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:24,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 68 states and 233 transitions. [2018-09-30 20:57:24,933 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 233 transitions. [2018-09-30 20:57:24,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:24,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:25,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 69 states and 239 transitions. [2018-09-30 20:57:25,005 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 239 transitions. [2018-09-30 20:57:25,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:25,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:25,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:25,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:25,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 72 states and 266 transitions. [2018-09-30 20:57:25,578 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 266 transitions. [2018-09-30 20:57:25,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:25,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:25,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:25,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 73 states and 274 transitions. [2018-09-30 20:57:25,909 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 274 transitions. [2018-09-30 20:57:25,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:25,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:25,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:25,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:25,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 75 states and 288 transitions. [2018-09-30 20:57:25,980 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 288 transitions. [2018-09-30 20:57:25,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:25,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:26,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:26,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:26,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 78 states and 313 transitions. [2018-09-30 20:57:26,714 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 313 transitions. [2018-09-30 20:57:26,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:26,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:27,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:27,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 79 states and 322 transitions. [2018-09-30 20:57:27,522 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 322 transitions. [2018-09-30 20:57:27,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:27,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:27,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:27,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:27,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 80 states and 334 transitions. [2018-09-30 20:57:27,771 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 334 transitions. [2018-09-30 20:57:27,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 20:57:27,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:28,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:28,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 83 states and 364 transitions. [2018-09-30 20:57:28,927 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 364 transitions. [2018-09-30 20:57:28,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:28,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:29,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:30,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:30,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 87 states and 406 transitions. [2018-09-30 20:57:30,832 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 406 transitions. [2018-09-30 20:57:30,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:30,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:31,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:32,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:32,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 89 states and 418 transitions. [2018-09-30 20:57:32,990 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 418 transitions. [2018-09-30 20:57:32,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:32,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:33,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:33,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:33,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 90 states and 424 transitions. [2018-09-30 20:57:33,174 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 424 transitions. [2018-09-30 20:57:33,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:33,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:33,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:34,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:34,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 91 states and 432 transitions. [2018-09-30 20:57:34,512 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 432 transitions. [2018-09-30 20:57:34,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:34,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:34,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:34,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:34,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 92 states and 437 transitions. [2018-09-30 20:57:34,610 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 437 transitions. [2018-09-30 20:57:34,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:34,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:34,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:34,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:34,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 93 states and 454 transitions. [2018-09-30 20:57:34,687 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 454 transitions. [2018-09-30 20:57:34,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:34,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:34,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:36,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:36,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 97 states and 508 transitions. [2018-09-30 20:57:36,306 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 508 transitions. [2018-09-30 20:57:36,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:36,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:36,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:36,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:36,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 98 states and 517 transitions. [2018-09-30 20:57:36,723 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 517 transitions. [2018-09-30 20:57:36,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:36,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:37,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:37,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:37,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 101 states and 543 transitions. [2018-09-30 20:57:37,936 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 543 transitions. [2018-09-30 20:57:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:37,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:38,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:39,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:39,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 102 states and 551 transitions. [2018-09-30 20:57:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 551 transitions. [2018-09-30 20:57:39,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:39,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:39,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:40,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:40,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 105 states and 586 transitions. [2018-09-30 20:57:40,943 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 586 transitions. [2018-09-30 20:57:40,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:40,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:41,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 106 states and 594 transitions. [2018-09-30 20:57:41,475 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 594 transitions. [2018-09-30 20:57:41,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:41,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:41,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:41,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:41,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 107 states and 600 transitions. [2018-09-30 20:57:41,792 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 600 transitions. [2018-09-30 20:57:41,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:41,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:43,617 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-30 20:57:43,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:43,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 109 states and 631 transitions. [2018-09-30 20:57:43,904 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 631 transitions. [2018-09-30 20:57:43,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:43,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:43,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:44,326 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-30 20:57:44,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:44,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 110 states and 646 transitions. [2018-09-30 20:57:44,962 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 646 transitions. [2018-09-30 20:57:44,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:44,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:45,750 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-30 20:57:46,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:46,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 111 states and 655 transitions. [2018-09-30 20:57:46,202 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 655 transitions. [2018-09-30 20:57:46,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:46,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:46,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:47,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:47,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 112 states and 670 transitions. [2018-09-30 20:57:47,260 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 670 transitions. [2018-09-30 20:57:47,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:47,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:47,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:48,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:48,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 115 states and 708 transitions. [2018-09-30 20:57:48,368 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 708 transitions. [2018-09-30 20:57:48,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:48,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:48,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:49,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:49,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 116 states and 719 transitions. [2018-09-30 20:57:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 719 transitions. [2018-09-30 20:57:49,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:49,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:52,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:52,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 120 states and 768 transitions. [2018-09-30 20:57:52,223 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 768 transitions. [2018-09-30 20:57:52,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:52,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:52,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:53,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:53,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 122 states and 780 transitions. [2018-09-30 20:57:53,871 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 780 transitions. [2018-09-30 20:57:53,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:53,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:54,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:54,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 123 states and 789 transitions. [2018-09-30 20:57:54,679 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 789 transitions. [2018-09-30 20:57:54,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:54,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:56,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:56,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 124 states and 800 transitions. [2018-09-30 20:57:56,515 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 800 transitions. [2018-09-30 20:57:56,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:56,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:57,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:57:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:57:58,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 125 states and 809 transitions. [2018-09-30 20:57:58,153 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 809 transitions. [2018-09-30 20:57:58,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:57:58,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:57:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:57:58,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:00,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:00,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 128 states and 839 transitions. [2018-09-30 20:58:00,626 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 839 transitions. [2018-09-30 20:58:00,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:58:00,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:01,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:02,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:02,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 129 states and 843 transitions. [2018-09-30 20:58:02,043 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 843 transitions. [2018-09-30 20:58:02,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:58:02,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:02,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:04,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:04,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 132 states and 873 transitions. [2018-09-30 20:58:04,468 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 873 transitions. [2018-09-30 20:58:04,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:58:04,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:05,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:07,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:07,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 133 states and 898 transitions. [2018-09-30 20:58:07,109 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 898 transitions. [2018-09-30 20:58:07,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:58:07,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:07,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:07,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:07,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 134 states and 911 transitions. [2018-09-30 20:58:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 911 transitions. [2018-09-30 20:58:07,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:58:07,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:09,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:11,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:11,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 137 states and 962 transitions. [2018-09-30 20:58:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 962 transitions. [2018-09-30 20:58:11,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:58:11,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:12,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:13,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:13,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 138 states and 978 transitions. [2018-09-30 20:58:13,412 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 978 transitions. [2018-09-30 20:58:13,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:58:13,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:13,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:16,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:16,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 141 states and 1011 transitions. [2018-09-30 20:58:16,171 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 1011 transitions. [2018-09-30 20:58:16,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:58:16,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:18,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:18,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 144 states and 1040 transitions. [2018-09-30 20:58:18,768 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 1040 transitions. [2018-09-30 20:58:18,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:58:18,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:18,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:19,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:19,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 145 states and 1048 transitions. [2018-09-30 20:58:19,523 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 1048 transitions. [2018-09-30 20:58:19,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:58:19,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:19,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:20,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 146 states and 1056 transitions. [2018-09-30 20:58:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 1056 transitions. [2018-09-30 20:58:20,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:58:20,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:21,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:22,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:22,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 147 states and 1084 transitions. [2018-09-30 20:58:22,555 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 1084 transitions. [2018-09-30 20:58:22,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:58:22,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:23,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:24,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:24,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 148 states and 1093 transitions. [2018-09-30 20:58:24,604 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 1093 transitions. [2018-09-30 20:58:24,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 20:58:24,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:26,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:26,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 150 states and 1130 transitions. [2018-09-30 20:58:26,969 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 1130 transitions. [2018-09-30 20:58:26,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:26,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:27,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:28,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:28,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 151 states and 1145 transitions. [2018-09-30 20:58:28,451 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 1145 transitions. [2018-09-30 20:58:28,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:28,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:28,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:28,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:28,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 152 states and 1156 transitions. [2018-09-30 20:58:28,506 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 1156 transitions. [2018-09-30 20:58:28,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:28,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:28,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:28,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:28,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 153 states and 1161 transitions. [2018-09-30 20:58:28,556 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 1161 transitions. [2018-09-30 20:58:28,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:28,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:29,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:31,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:31,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 157 states and 1215 transitions. [2018-09-30 20:58:31,768 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 1215 transitions. [2018-09-30 20:58:31,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:31,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:32,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:33,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:33,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 158 states and 1225 transitions. [2018-09-30 20:58:33,242 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 1225 transitions. [2018-09-30 20:58:33,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:33,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:33,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:34,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 159 states and 1235 transitions. [2018-09-30 20:58:34,101 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 1235 transitions. [2018-09-30 20:58:34,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:34,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:34,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 160 states and 1241 transitions. [2018-09-30 20:58:34,912 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 1241 transitions. [2018-09-30 20:58:34,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:34,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:34,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:36,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:36,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 163 states and 1287 transitions. [2018-09-30 20:58:36,909 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 1287 transitions. [2018-09-30 20:58:36,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:36,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:37,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:37,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:37,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 164 states and 1293 transitions. [2018-09-30 20:58:37,838 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 1293 transitions. [2018-09-30 20:58:37,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:37,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:39,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:43,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 168 states and 1352 transitions. [2018-09-30 20:58:43,287 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 1352 transitions. [2018-09-30 20:58:43,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:43,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:43,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:43,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:43,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 169 states and 1377 transitions. [2018-09-30 20:58:43,780 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 1377 transitions. [2018-09-30 20:58:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:43,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:44,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:45,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:45,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 170 states and 1382 transitions. [2018-09-30 20:58:45,803 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 1382 transitions. [2018-09-30 20:58:45,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:45,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:45,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:48,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:48,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 173 states and 1419 transitions. [2018-09-30 20:58:48,637 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 1419 transitions. [2018-09-30 20:58:48,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:48,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:48,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:49,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:49,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 174 states and 1435 transitions. [2018-09-30 20:58:49,626 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 1435 transitions. [2018-09-30 20:58:49,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:49,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:50,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:51,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:51,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 175 states and 1476 transitions. [2018-09-30 20:58:51,708 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 1476 transitions. [2018-09-30 20:58:51,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:51,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:51,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:53,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:53,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 176 states and 1495 transitions. [2018-09-30 20:58:53,286 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 1495 transitions. [2018-09-30 20:58:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:53,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:53,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 177 states and 1514 transitions. [2018-09-30 20:58:55,225 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 1514 transitions. [2018-09-30 20:58:55,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:55,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:58:59,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:58:59,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 179 states and 1553 transitions. [2018-09-30 20:58:59,094 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 1553 transitions. [2018-09-30 20:58:59,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:58:59,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:58:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:58:59,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:00,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:00,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 181 states and 1583 transitions. [2018-09-30 20:59:00,858 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 1583 transitions. [2018-09-30 20:59:00,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:00,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:04,013 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-30 20:59:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 183 states and 1611 transitions. [2018-09-30 20:59:04,407 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 1611 transitions. [2018-09-30 20:59:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:04,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:05,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:05,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 184 states and 1623 transitions. [2018-09-30 20:59:05,452 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 1623 transitions. [2018-09-30 20:59:05,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:05,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:05,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:06,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:06,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 185 states and 1631 transitions. [2018-09-30 20:59:06,616 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 1631 transitions. [2018-09-30 20:59:06,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:06,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:06,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:08,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:08,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 188 states and 1678 transitions. [2018-09-30 20:59:08,731 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 1678 transitions. [2018-09-30 20:59:08,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:08,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:08,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:09,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:09,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 189 states and 1688 transitions. [2018-09-30 20:59:09,755 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 1688 transitions. [2018-09-30 20:59:09,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:09,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:11,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:11,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 190 states and 1705 transitions. [2018-09-30 20:59:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 1705 transitions. [2018-09-30 20:59:11,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:11,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:12,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:17,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:17,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 194 states and 1782 transitions. [2018-09-30 20:59:17,043 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 1782 transitions. [2018-09-30 20:59:17,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:17,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:18,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:23,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:23,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 197 states and 1836 transitions. [2018-09-30 20:59:23,094 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 1836 transitions. [2018-09-30 20:59:23,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:23,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:23,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:24,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:24,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 198 states and 1851 transitions. [2018-09-30 20:59:24,591 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 1851 transitions. [2018-09-30 20:59:24,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:24,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:26,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:29,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:29,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 199 states and 1866 transitions. [2018-09-30 20:59:29,062 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 1866 transitions. [2018-09-30 20:59:29,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:29,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:30,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:30,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 200 states and 1877 transitions. [2018-09-30 20:59:30,372 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 1877 transitions. [2018-09-30 20:59:30,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:30,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:31,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:34,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:34,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1922 states to 202 states and 1922 transitions. [2018-09-30 20:59:34,551 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 1922 transitions. [2018-09-30 20:59:34,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:34,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:35,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:37,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:37,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 203 states and 1927 transitions. [2018-09-30 20:59:37,243 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 1927 transitions. [2018-09-30 20:59:37,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:37,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:42,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:42,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 205 states and 1978 transitions. [2018-09-30 20:59:42,866 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 1978 transitions. [2018-09-30 20:59:42,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:42,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:42,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:43,419 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2018-09-30 20:59:44,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:44,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 206 states and 2018 transitions. [2018-09-30 20:59:44,435 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 2018 transitions. [2018-09-30 20:59:44,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:44,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:44,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:46,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:46,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 207 states and 2047 transitions. [2018-09-30 20:59:46,534 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 2047 transitions. [2018-09-30 20:59:46,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:46,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:46,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:48,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:48,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 208 states and 2063 transitions. [2018-09-30 20:59:48,491 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 2063 transitions. [2018-09-30 20:59:48,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:48,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:48,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:50,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:50,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 209 states and 2080 transitions. [2018-09-30 20:59:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 2080 transitions. [2018-09-30 20:59:50,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:50,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:51,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 210 states and 2098 transitions. [2018-09-30 20:59:51,957 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 2098 transitions. [2018-09-30 20:59:51,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:51,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:51,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:55,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:55,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 212 states and 2125 transitions. [2018-09-30 20:59:55,106 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 2125 transitions. [2018-09-30 20:59:55,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:55,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:55,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:56,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:56,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 213 states and 2147 transitions. [2018-09-30 20:59:56,744 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 2147 transitions. [2018-09-30 20:59:56,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:56,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:56,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:59:58,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 20:59:58,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 214 states and 2162 transitions. [2018-09-30 20:59:58,367 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 2162 transitions. [2018-09-30 20:59:58,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 20:59:58,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 20:59:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:59:59,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:04,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:04,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 218 states and 2258 transitions. [2018-09-30 21:00:04,297 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 2258 transitions. [2018-09-30 21:00:04,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:04,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:06,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:06,782 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-30 21:00:12,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 222 states and 2350 transitions. [2018-09-30 21:00:12,918 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 2350 transitions. [2018-09-30 21:00:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:12,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:12,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:14,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:14,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 223 states and 2388 transitions. [2018-09-30 21:00:14,582 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 2388 transitions. [2018-09-30 21:00:14,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:14,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:16,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:20,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:20,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 225 states and 2439 transitions. [2018-09-30 21:00:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 2439 transitions. [2018-09-30 21:00:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:20,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:20,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:25,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:25,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 227 states and 2487 transitions. [2018-09-30 21:00:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 2487 transitions. [2018-09-30 21:00:25,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:25,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:27,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:27,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 228 states and 2491 transitions. [2018-09-30 21:00:27,101 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 2491 transitions. [2018-09-30 21:00:27,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:27,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:27,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:31,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 230 states and 2542 transitions. [2018-09-30 21:00:31,266 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 2542 transitions. [2018-09-30 21:00:31,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:31,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:31,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:33,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:33,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 231 states and 2569 transitions. [2018-09-30 21:00:33,044 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 2569 transitions. [2018-09-30 21:00:33,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:33,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:33,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:35,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:35,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 232 states and 2605 transitions. [2018-09-30 21:00:35,046 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 2605 transitions. [2018-09-30 21:00:35,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:35,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:36,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:36,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 233 states and 2645 transitions. [2018-09-30 21:00:36,840 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 2645 transitions. [2018-09-30 21:00:36,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:36,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:37,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:40,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:40,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 235 states and 2700 transitions. [2018-09-30 21:00:40,572 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 2700 transitions. [2018-09-30 21:00:40,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:40,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:40,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:42,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 236 states and 2717 transitions. [2018-09-30 21:00:42,557 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 2717 transitions. [2018-09-30 21:00:42,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:42,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:42,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:44,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:44,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 237 states and 2761 transitions. [2018-09-30 21:00:44,625 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 2761 transitions. [2018-09-30 21:00:44,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:44,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:44,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:46,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:46,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 238 states and 2775 transitions. [2018-09-30 21:00:46,216 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 2775 transitions. [2018-09-30 21:00:46,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:46,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:48,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:48,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 239 states and 2794 transitions. [2018-09-30 21:00:48,099 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 2794 transitions. [2018-09-30 21:00:48,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:48,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:48,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:50,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:50,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 240 states and 2834 transitions. [2018-09-30 21:00:50,146 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 2834 transitions. [2018-09-30 21:00:50,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:50,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:52,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:52,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 241 states and 2870 transitions. [2018-09-30 21:00:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 2870 transitions. [2018-09-30 21:00:52,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:52,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:52,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:56,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:56,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 243 states and 2928 transitions. [2018-09-30 21:00:56,143 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 2928 transitions. [2018-09-30 21:00:56,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:56,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:57,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:57,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 244 states and 2942 transitions. [2018-09-30 21:00:57,877 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 2942 transitions. [2018-09-30 21:00:57,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:57,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:00:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:00:59,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:00:59,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 245 states and 2957 transitions. [2018-09-30 21:00:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 2957 transitions. [2018-09-30 21:00:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:00:59,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:00:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:00,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:02,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:02,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 246 states and 2984 transitions. [2018-09-30 21:01:02,253 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 2984 transitions. [2018-09-30 21:01:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:02,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:02,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:04,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:04,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 247 states and 3017 transitions. [2018-09-30 21:01:04,312 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 3017 transitions. [2018-09-30 21:01:04,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:04,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:04,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:06,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:06,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 248 states and 3045 transitions. [2018-09-30 21:01:06,815 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 3045 transitions. [2018-09-30 21:01:06,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:06,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:07,598 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2018-09-30 21:01:09,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:09,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 249 states and 3076 transitions. [2018-09-30 21:01:09,049 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 3076 transitions. [2018-09-30 21:01:09,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:09,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:09,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:12,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:12,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 251 states and 3119 transitions. [2018-09-30 21:01:12,594 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 3119 transitions. [2018-09-30 21:01:12,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:12,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:12,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:12,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:14,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:14,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 252 states and 3138 transitions. [2018-09-30 21:01:14,237 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 3138 transitions. [2018-09-30 21:01:14,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:14,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:18,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:18,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3183 states to 254 states and 3183 transitions. [2018-09-30 21:01:18,428 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 3183 transitions. [2018-09-30 21:01:18,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:18,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:18,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:20,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:20,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 255 states and 3200 transitions. [2018-09-30 21:01:20,793 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 3200 transitions. [2018-09-30 21:01:20,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:20,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:22,221 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-09-30 21:01:24,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:24,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 258 states and 3276 transitions. [2018-09-30 21:01:24,854 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 3276 transitions. [2018-09-30 21:01:24,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:24,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:25,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:29,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:29,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 260 states and 3310 transitions. [2018-09-30 21:01:29,097 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 3310 transitions. [2018-09-30 21:01:29,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:29,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:29,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-30 21:01:33,444 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 21:01:33,446 INFO L168 Benchmark]: Toolchain (without parser) took 253145.22 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 388.0 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-09-30 21:01:33,447 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:01:33,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.70 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:01:33,448 INFO L168 Benchmark]: Boogie Preprocessor took 39.64 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:01:33,448 INFO L168 Benchmark]: RCFGBuilder took 1404.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-09-30 21:01:33,449 INFO L168 Benchmark]: CodeCheck took 251627.96 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 335.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-09-30 21:01:33,451 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 937 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 67.70 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.64 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1404.20 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * CodeCheck took 251627.96 ms. Allocated memory was 1.5 GB in the beginning and 3.2 GB in the end (delta: 1.7 GB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 335.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_out3.mover.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-01-33-461.csv Completed graceful shutdown