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_product_WithProcedures.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 01:37:11,212 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 01:37:11,214 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 01:37:11,231 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 01:37:11,232 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 01:37:11,234 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 01:37:11,235 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 01:37:11,237 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 01:37:11,239 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 01:37:11,240 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 01:37:11,241 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 01:37:11,241 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 01:37:11,242 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 01:37:11,243 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 01:37:11,244 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 01:37:11,245 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 01:37:11,246 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 01:37:11,248 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 01:37:11,250 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 01:37:11,251 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 01:37:11,252 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 01:37:11,254 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 01:37:11,257 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 01:37:11,257 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 01:37:11,258 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 01:37:11,259 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 01:37:11,260 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 01:37:11,261 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 01:37:11,263 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 01:37:11,264 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 01:37:11,265 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 01:37:11,266 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 01:37:11,266 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 01:37:11,266 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 01:37:11,270 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 01:37:11,271 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 01:37:11,271 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-01 01:37:11,298 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 01:37:11,298 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 01:37:11,299 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 01:37:11,299 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 01:37:11,300 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 01:37:11,300 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 01:37:11,300 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 01:37:11,300 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 01:37:11,300 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 01:37:11,300 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 01:37:11,301 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 01:37:11,301 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 01:37:11,301 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 01:37:11,301 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 01:37:11,301 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 01:37:11,302 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 01:37:11,302 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 01:37:11,302 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 01:37:11,302 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 01:37:11,302 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 01:37:11,303 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 01:37:11,303 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 01:37:11,303 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 01:37:11,303 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 01:37:11,303 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 01:37:11,304 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 01:37:11,304 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 01:37:11,304 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 01:37:11,304 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 01:37:11,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 01:37:11,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 01:37:11,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 01:37:11,370 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 01:37:11,371 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 01:37:11,372 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl [2018-10-01 01:37:11,372 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl' [2018-10-01 01:37:11,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 01:37:11,443 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 01:37:11,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 01:37:11,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 01:37:11,444 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 01:37:11,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:11" (1/1) ... [2018-10-01 01:37:11,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:11" (1/1) ... [2018-10-01 01:37:11,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 01:37:11,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 01:37:11,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 01:37:11,490 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 01:37:11,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:11" (1/1) ... [2018-10-01 01:37:11,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:11" (1/1) ... [2018-10-01 01:37:11,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:11" (1/1) ... [2018-10-01 01:37:11,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:11" (1/1) ... [2018-10-01 01:37:11,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:11" (1/1) ... [2018-10-01 01:37:11,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:11" (1/1) ... [2018-10-01 01:37:11,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:11" (1/1) ... [2018-10-01 01:37:11,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 01:37:11,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 01:37:11,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 01:37:11,525 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 01:37:11,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:37:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 01:37:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure l1l0 [2018-10-01 01:37:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l0 [2018-10-01 01:37:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure l0l1 [2018-10-01 01:37:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l1 [2018-10-01 01:37:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure l0l0 [2018-10-01 01:37:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l0 [2018-10-01 01:37:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-01 01:37:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-01 01:37:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure l1l1 [2018-10-01 01:37:11,610 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l1 [2018-10-01 01:37:12,151 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-01 01:37:12,152 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 01:37:12 BoogieIcfgContainer [2018-10-01 01:37:12,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 01:37:12,153 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 01:37:12,153 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 01:37:12,165 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 01:37:12,165 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 01:37:12" (1/1) ... [2018-10-01 01:37:12,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-01 01:37:12,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:12,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-10-01 01:37:12,224 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-10-01 01:37:12,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 01:37:12,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:12,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-10-01 01:37:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-10-01 01:37:12,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 01:37:12,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:13,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:13,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:13,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-10-01 01:37:13,945 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-10-01 01:37:13,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:13,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:14,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:15,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:15,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2018-10-01 01:37:15,069 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2018-10-01 01:37:15,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:15,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:15,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:15,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2018-10-01 01:37:15,333 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2018-10-01 01:37:15,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:15,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:15,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:37:15,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:15,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 114 transitions. [2018-10-01 01:37:15,418 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2018-10-01 01:37:15,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:15,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:15,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:15,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 118 transitions. [2018-10-01 01:37:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 118 transitions. [2018-10-01 01:37:15,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:15,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:16,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:16,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 132 transitions. [2018-10-01 01:37:16,455 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 132 transitions. [2018-10-01 01:37:16,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:16,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:16,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:16,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 67 states and 141 transitions. [2018-10-01 01:37:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 141 transitions. [2018-10-01 01:37:16,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:16,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:16,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:17,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:17,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 147 transitions. [2018-10-01 01:37:17,207 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 147 transitions. [2018-10-01 01:37:17,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:17,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:17,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:37:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:17,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 149 transitions. [2018-10-01 01:37:17,264 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 149 transitions. [2018-10-01 01:37:17,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:17,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:17,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:17,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:17,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 75 states and 160 transitions. [2018-10-01 01:37:17,553 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 160 transitions. [2018-10-01 01:37:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:37:17,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:17,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:17,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:17,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 76 states and 160 transitions. [2018-10-01 01:37:17,702 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 160 transitions. [2018-10-01 01:37:17,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 01:37:17,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:17,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:19,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:19,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 83 states and 183 transitions. [2018-10-01 01:37:19,887 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 183 transitions. [2018-10-01 01:37:19,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 01:37:19,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:22,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:22,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 90 states and 207 transitions. [2018-10-01 01:37:22,375 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 207 transitions. [2018-10-01 01:37:22,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:37:22,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:22,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:23,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:23,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 96 states and 228 transitions. [2018-10-01 01:37:23,716 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 228 transitions. [2018-10-01 01:37:23,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:37:23,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:24,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:24,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 97 states and 232 transitions. [2018-10-01 01:37:24,383 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 232 transitions. [2018-10-01 01:37:24,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:37:24,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:24,673 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:25,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 100 states and 244 transitions. [2018-10-01 01:37:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 244 transitions. [2018-10-01 01:37:25,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:37:25,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:25,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:27,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 102 states and 252 transitions. [2018-10-01 01:37:27,140 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 252 transitions. [2018-10-01 01:37:27,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:37:27,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:27,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:27,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 104 states and 257 transitions. [2018-10-01 01:37:27,843 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 257 transitions. [2018-10-01 01:37:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:37:27,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:27,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:28,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 108 states and 270 transitions. [2018-10-01 01:37:28,919 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 270 transitions. [2018-10-01 01:37:28,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:28,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:31,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:31,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 115 states and 294 transitions. [2018-10-01 01:37:31,149 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 294 transitions. [2018-10-01 01:37:31,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:31,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:31,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:31,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:31,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 116 states and 296 transitions. [2018-10-01 01:37:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 296 transitions. [2018-10-01 01:37:31,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:31,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:31,824 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:33,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:33,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 121 states and 311 transitions. [2018-10-01 01:37:33,040 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 311 transitions. [2018-10-01 01:37:33,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:33,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:33,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:34,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:34,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 128 states and 334 transitions. [2018-10-01 01:37:34,379 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 334 transitions. [2018-10-01 01:37:34,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:34,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:34,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:36,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 136 states and 354 transitions. [2018-10-01 01:37:36,803 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 354 transitions. [2018-10-01 01:37:36,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:36,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:36,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:36,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:36,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 137 states and 355 transitions. [2018-10-01 01:37:36,911 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 355 transitions. [2018-10-01 01:37:36,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:36,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:37,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:37,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:37,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 143 states and 372 transitions. [2018-10-01 01:37:37,887 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 372 transitions. [2018-10-01 01:37:37,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:37,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:37,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:38,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 146 states and 378 transitions. [2018-10-01 01:37:38,374 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 378 transitions. [2018-10-01 01:37:38,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:38,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:38,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:38,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 147 states and 379 transitions. [2018-10-01 01:37:38,510 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 379 transitions. [2018-10-01 01:37:38,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:38,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:38,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:37:38,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:38,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 148 states and 382 transitions. [2018-10-01 01:37:38,910 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 382 transitions. [2018-10-01 01:37:38,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:38,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:39,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:39,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:39,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 149 states and 382 transitions. [2018-10-01 01:37:39,273 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 382 transitions. [2018-10-01 01:37:39,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:39,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:39,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:41,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:41,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 155 states and 400 transitions. [2018-10-01 01:37:41,594 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 400 transitions. [2018-10-01 01:37:41,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:41,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:41,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:41,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 156 states and 401 transitions. [2018-10-01 01:37:41,996 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 401 transitions. [2018-10-01 01:37:41,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:41,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:42,243 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:43,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 161 states and 416 transitions. [2018-10-01 01:37:43,720 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 416 transitions. [2018-10-01 01:37:43,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:43,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:43,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:37:44,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:44,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 163 states and 419 transitions. [2018-10-01 01:37:44,182 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 419 transitions. [2018-10-01 01:37:44,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:44,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:44,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:45,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:45,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 166 states and 431 transitions. [2018-10-01 01:37:45,047 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 431 transitions. [2018-10-01 01:37:45,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:45,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:45,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:47,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 170 states and 440 transitions. [2018-10-01 01:37:47,351 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 440 transitions. [2018-10-01 01:37:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:47,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:47,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:47,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:47,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 173 states and 445 transitions. [2018-10-01 01:37:47,970 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 445 transitions. [2018-10-01 01:37:47,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:47,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:49,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:49,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 176 states and 457 transitions. [2018-10-01 01:37:49,375 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 457 transitions. [2018-10-01 01:37:49,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:49,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:49,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:50,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:50,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 178 states and 462 transitions. [2018-10-01 01:37:50,903 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 462 transitions. [2018-10-01 01:37:50,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:37:50,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:51,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:51,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:51,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 179 states and 467 transitions. [2018-10-01 01:37:51,788 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 467 transitions. [2018-10-01 01:37:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:37:51,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:52,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:52,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 181 states and 475 transitions. [2018-10-01 01:37:52,758 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 475 transitions. [2018-10-01 01:37:52,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:37:52,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:53,372 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:37:55,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:55,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 184 states and 484 transitions. [2018-10-01 01:37:55,605 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 484 transitions. [2018-10-01 01:37:55,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:37:55,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-01 01:37:56,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:56,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 184 states and 483 transitions. [2018-10-01 01:37:56,410 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 483 transitions. [2018-10-01 01:37:56,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:37:56,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:56,422 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-01 01:37:56,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:56,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 184 states and 482 transitions. [2018-10-01 01:37:56,980 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 482 transitions. [2018-10-01 01:37:56,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:37:56,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:57,070 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:37:57,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:37:57,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 186 states and 490 transitions. [2018-10-01 01:37:57,921 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 490 transitions. [2018-10-01 01:37:57,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:37:57,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:37:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:37:57,934 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:38:00,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:00,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 189 states and 499 transitions. [2018-10-01 01:38:00,051 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 499 transitions. [2018-10-01 01:38:00,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:38:00,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:04,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:04,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 193 states and 521 transitions. [2018-10-01 01:38:04,739 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 521 transitions. [2018-10-01 01:38:04,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:38:04,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:04,901 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:07,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:07,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 197 states and 544 transitions. [2018-10-01 01:38:07,418 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 544 transitions. [2018-10-01 01:38:07,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:38:07,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:08,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:13,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 203 states and 572 transitions. [2018-10-01 01:38:13,034 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 572 transitions. [2018-10-01 01:38:13,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:38:13,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:15,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:15,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 206 states and 579 transitions. [2018-10-01 01:38:15,504 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 579 transitions. [2018-10-01 01:38:15,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:38:15,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:15,718 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:16,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:16,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 211 states and 594 transitions. [2018-10-01 01:38:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 594 transitions. [2018-10-01 01:38:16,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:38:16,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:17,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:19,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:19,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 217 states and 614 transitions. [2018-10-01 01:38:19,435 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 614 transitions. [2018-10-01 01:38:19,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:38:19,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:20,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:25,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 221 states and 636 transitions. [2018-10-01 01:38:25,240 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 636 transitions. [2018-10-01 01:38:25,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:38:25,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:29,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:29,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 225 states and 658 transitions. [2018-10-01 01:38:29,552 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 658 transitions. [2018-10-01 01:38:29,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:38:29,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:29,634 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:31,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:31,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 228 states and 669 transitions. [2018-10-01 01:38:31,885 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 669 transitions. [2018-10-01 01:38:31,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:38:31,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:32,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:35,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:35,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 232 states and 684 transitions. [2018-10-01 01:38:35,676 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 684 transitions. [2018-10-01 01:38:35,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:38:35,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:38,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:38,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 236 states and 697 transitions. [2018-10-01 01:38:38,772 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 697 transitions. [2018-10-01 01:38:38,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:38:38,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:39,003 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:39,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:39,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 237 states and 698 transitions. [2018-10-01 01:38:39,809 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 698 transitions. [2018-10-01 01:38:39,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:38:39,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:39,824 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:40,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:40,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 238 states and 702 transitions. [2018-10-01 01:38:40,604 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 702 transitions. [2018-10-01 01:38:40,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:38:40,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:44,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:44,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 242 states and 721 transitions. [2018-10-01 01:38:44,177 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 721 transitions. [2018-10-01 01:38:44,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:38:44,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:44,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:46,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:46,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 245 states and 738 transitions. [2018-10-01 01:38:46,591 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 738 transitions. [2018-10-01 01:38:46,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:38:46,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:47,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:48,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:48,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 247 states and 743 transitions. [2018-10-01 01:38:48,721 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 743 transitions. [2018-10-01 01:38:48,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:38:48,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:49,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:50,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:50,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 249 states and 750 transitions. [2018-10-01 01:38:50,415 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 750 transitions. [2018-10-01 01:38:50,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:38:50,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:50,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:53,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:53,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 253 states and 768 transitions. [2018-10-01 01:38:53,173 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 768 transitions. [2018-10-01 01:38:53,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:38:53,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:38:56,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:38:56,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 254 states and 772 transitions. [2018-10-01 01:38:56,646 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 772 transitions. [2018-10-01 01:38:56,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:38:56,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:38:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:38:57,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:02,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:02,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 260 states and 799 transitions. [2018-10-01 01:39:02,230 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 799 transitions. [2018-10-01 01:39:02,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:39:02,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:03,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:10,534 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 11 [2018-10-01 01:39:11,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:11,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 269 states and 842 transitions. [2018-10-01 01:39:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 842 transitions. [2018-10-01 01:39:11,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:39:11,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:11,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:11,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:11,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 270 states and 850 transitions. [2018-10-01 01:39:11,950 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 850 transitions. [2018-10-01 01:39:11,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:39:11,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:13,271 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:23,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:23,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 282 states and 909 transitions. [2018-10-01 01:39:23,317 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 909 transitions. [2018-10-01 01:39:23,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:39:23,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:24,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:34,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:34,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 290 states and 944 transitions. [2018-10-01 01:39:34,183 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 944 transitions. [2018-10-01 01:39:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:39:34,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:34,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:35,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:35,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 291 states and 952 transitions. [2018-10-01 01:39:35,261 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 952 transitions. [2018-10-01 01:39:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:39:35,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:35,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:38,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:38,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 295 states and 983 transitions. [2018-10-01 01:39:38,680 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 983 transitions. [2018-10-01 01:39:38,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:39:38,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:38,714 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:40,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:40,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 297 states and 999 transitions. [2018-10-01 01:39:40,593 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 999 transitions. [2018-10-01 01:39:40,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:39:40,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:41,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:44,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:44,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 300 states and 1013 transitions. [2018-10-01 01:39:44,608 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1013 transitions. [2018-10-01 01:39:44,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:39:44,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:44,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:46,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 303 states and 1026 transitions. [2018-10-01 01:39:46,742 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1026 transitions. [2018-10-01 01:39:46,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:39:46,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:46,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 304 states and 1028 transitions. [2018-10-01 01:39:46,979 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1028 transitions. [2018-10-01 01:39:46,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:39:46,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:47,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:39:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:39:54,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 311 states and 1063 transitions. [2018-10-01 01:39:54,861 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1063 transitions. [2018-10-01 01:39:54,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:39:54,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:39:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:39:55,469 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:01,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:01,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 315 states and 1082 transitions. [2018-10-01 01:40:01,722 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1082 transitions. [2018-10-01 01:40:01,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:40:01,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:01,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:02,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:02,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 316 states and 1088 transitions. [2018-10-01 01:40:02,803 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 1088 transitions. [2018-10-01 01:40:02,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:40:02,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:02,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:04,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:04,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 317 states and 1090 transitions. [2018-10-01 01:40:04,254 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 1090 transitions. [2018-10-01 01:40:04,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:40:04,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:04,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:10,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:10,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 321 states and 1107 transitions. [2018-10-01 01:40:10,552 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1107 transitions. [2018-10-01 01:40:10,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:40:10,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:22,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:22,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 330 states and 1157 transitions. [2018-10-01 01:40:22,929 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1157 transitions. [2018-10-01 01:40:22,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:40:22,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:22,968 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:25,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:25,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 332 states and 1160 transitions. [2018-10-01 01:40:25,618 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 1160 transitions. [2018-10-01 01:40:25,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:40:25,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:25,864 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:28,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:28,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 334 states and 1163 transitions. [2018-10-01 01:40:28,086 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1163 transitions. [2018-10-01 01:40:28,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:40:28,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:28,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:32,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:32,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 338 states and 1181 transitions. [2018-10-01 01:40:32,488 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 1181 transitions. [2018-10-01 01:40:32,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:40:32,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:36,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:36,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 341 states and 1202 transitions. [2018-10-01 01:40:36,168 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 1202 transitions. [2018-10-01 01:40:36,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:40:36,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:39,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:39,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 343 states and 1206 transitions. [2018-10-01 01:40:39,041 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 1206 transitions. [2018-10-01 01:40:39,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:40:39,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:39,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:41,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:41,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 345 states and 1215 transitions. [2018-10-01 01:40:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 1215 transitions. [2018-10-01 01:40:41,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:40:41,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:41,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:41,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:41,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 346 states and 1218 transitions. [2018-10-01 01:40:41,902 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 1218 transitions. [2018-10-01 01:40:41,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:40:41,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:41,919 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:44,967 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2018-10-01 01:40:46,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:46,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 346 states and 1215 transitions. [2018-10-01 01:40:46,407 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 1215 transitions. [2018-10-01 01:40:46,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:40:46,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:40:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:40:47,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 347 states and 1223 transitions. [2018-10-01 01:40:47,825 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 1223 transitions. [2018-10-01 01:40:47,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:40:47,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:40:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:40:50,621 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:03,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:03,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 356 states and 1256 transitions. [2018-10-01 01:41:03,015 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 1256 transitions. [2018-10-01 01:41:03,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:41:03,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:03,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:11,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:11,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 362 states and 1300 transitions. [2018-10-01 01:41:11,601 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 1300 transitions. [2018-10-01 01:41:11,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:41:11,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:11,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:15,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:15,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 363 states and 1300 transitions. [2018-10-01 01:41:15,048 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1300 transitions. [2018-10-01 01:41:15,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:41:15,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:15,176 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:16,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:16,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 364 states and 1309 transitions. [2018-10-01 01:41:16,767 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 1309 transitions. [2018-10-01 01:41:16,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:41:16,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:16,790 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:19,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:19,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 366 states and 1333 transitions. [2018-10-01 01:41:19,441 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 1333 transitions. [2018-10-01 01:41:19,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:41:19,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:19,468 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:20,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:20,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 367 states and 1340 transitions. [2018-10-01 01:41:20,830 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1340 transitions. [2018-10-01 01:41:20,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:41:20,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:21,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:24,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:24,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 371 states and 1356 transitions. [2018-10-01 01:41:24,484 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 1356 transitions. [2018-10-01 01:41:24,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:41:24,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:26,844 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:41:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:42,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 378 states and 1425 transitions. [2018-10-01 01:41:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 1425 transitions. [2018-10-01 01:41:42,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:41:42,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:42,505 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:41:43,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:43,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 379 states and 1426 transitions. [2018-10-01 01:41:43,849 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 1426 transitions. [2018-10-01 01:41:43,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:41:43,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:45,316 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:41:52,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:41:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 382 states and 1437 transitions. [2018-10-01 01:41:52,519 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 1437 transitions. [2018-10-01 01:41:52,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:41:52,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:41:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:41:52,537 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-01 01:42:01,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:01,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 387 states and 1463 transitions. [2018-10-01 01:42:01,657 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1463 transitions. [2018-10-01 01:42:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:42:01,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:02,709 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:42:13,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:13,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 391 states and 1505 transitions. [2018-10-01 01:42:13,850 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 1505 transitions. [2018-10-01 01:42:13,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:42:13,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:13,893 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:42:15,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:15,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 392 states and 1513 transitions. [2018-10-01 01:42:15,165 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 1513 transitions. [2018-10-01 01:42:15,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:42:15,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:16,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:42:27,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:27,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 396 states and 1557 transitions. [2018-10-01 01:42:27,993 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 1557 transitions. [2018-10-01 01:42:27,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:42:27,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:29,976 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:42:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:46,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 404 states and 1622 transitions. [2018-10-01 01:42:46,601 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 1622 transitions. [2018-10-01 01:42:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:42:46,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:46,617 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:42:55,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:42:55,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 409 states and 1635 transitions. [2018-10-01 01:42:55,479 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 1635 transitions. [2018-10-01 01:42:55,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:42:55,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:42:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:42:56,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:43:06,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:43:06,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 412 states and 1652 transitions. [2018-10-01 01:43:06,661 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1652 transitions. [2018-10-01 01:43:06,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:43:06,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:06,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:43:08,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:43:08,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 413 states and 1669 transitions. [2018-10-01 01:43:08,526 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 1669 transitions. [2018-10-01 01:43:08,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:43:08,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:09,679 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:43:21,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:43:21,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 418 states and 1703 transitions. [2018-10-01 01:43:21,048 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 1703 transitions. [2018-10-01 01:43:21,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:43:21,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:21,066 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:43:22,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:43:22,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 419 states and 1716 transitions. [2018-10-01 01:43:22,997 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 1716 transitions. [2018-10-01 01:43:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:43:23,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:23,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:43:28,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:43:28,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 422 states and 1734 transitions. [2018-10-01 01:43:28,289 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 1734 transitions. [2018-10-01 01:43:28,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:43:28,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:28,310 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:43:30,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:43:30,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 423 states and 1738 transitions. [2018-10-01 01:43:30,143 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1738 transitions. [2018-10-01 01:43:30,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:43:30,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:32,396 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:43:44,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:43:44,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 426 states and 1759 transitions. [2018-10-01 01:43:44,637 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1759 transitions. [2018-10-01 01:43:44,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:43:44,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:43:56,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:43:56,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 430 states and 1799 transitions. [2018-10-01 01:43:56,194 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1799 transitions. [2018-10-01 01:43:56,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:43:56,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:43:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:43:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:00,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:00,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 432 states and 1809 transitions. [2018-10-01 01:44:00,107 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 1809 transitions. [2018-10-01 01:44:00,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:44:00,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:00,170 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:06,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:06,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 436 states and 1831 transitions. [2018-10-01 01:44:06,303 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1831 transitions. [2018-10-01 01:44:06,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:44:06,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:06,425 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:44:15,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:15,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 441 states and 1851 transitions. [2018-10-01 01:44:15,568 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1851 transitions. [2018-10-01 01:44:15,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:44:15,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:15,680 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:19,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 443 states and 1858 transitions. [2018-10-01 01:44:19,213 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 1858 transitions. [2018-10-01 01:44:19,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:44:19,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:19,510 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:25,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:25,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 445 states and 1860 transitions. [2018-10-01 01:44:25,956 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 1860 transitions. [2018-10-01 01:44:25,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:44:25,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:26,045 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:44:36,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:36,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 451 states and 1892 transitions. [2018-10-01 01:44:36,875 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 1892 transitions. [2018-10-01 01:44:36,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:44:36,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:37,002 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:44:39,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:39,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 452 states and 1901 transitions. [2018-10-01 01:44:39,400 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 1901 transitions. [2018-10-01 01:44:39,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:44:39,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:39,437 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:41,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:41,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 453 states and 1909 transitions. [2018-10-01 01:44:41,710 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 1909 transitions. [2018-10-01 01:44:41,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:44:41,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:41,761 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:42,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:42,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 454 states and 1913 transitions. [2018-10-01 01:44:42,913 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 1913 transitions. [2018-10-01 01:44:42,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:44:42,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:43,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:53,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 458 states and 1943 transitions. [2018-10-01 01:44:53,274 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1943 transitions. [2018-10-01 01:44:53,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:44:53,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:44:56,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:56,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 460 states and 1966 transitions. [2018-10-01 01:44:56,849 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 1966 transitions. [2018-10-01 01:44:56,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:44:56,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:44:58,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:44:58,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 461 states and 1981 transitions. [2018-10-01 01:44:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 1981 transitions. [2018-10-01 01:44:58,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:44:58,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:44:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:44:59,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:02,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:02,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 463 states and 1989 transitions. [2018-10-01 01:45:02,046 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 1989 transitions. [2018-10-01 01:45:02,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:45:02,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:45:03,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:03,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 464 states and 1998 transitions. [2018-10-01 01:45:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1998 transitions. [2018-10-01 01:45:03,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:45:03,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:04,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:05,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:05,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 465 states and 2013 transitions. [2018-10-01 01:45:05,571 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 2013 transitions. [2018-10-01 01:45:05,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:45:05,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:45:08,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:08,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 467 states and 2036 transitions. [2018-10-01 01:45:08,873 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 2036 transitions. [2018-10-01 01:45:08,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:45:08,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:08,899 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:45:10,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:10,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 468 states and 2036 transitions. [2018-10-01 01:45:10,119 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 2036 transitions. [2018-10-01 01:45:10,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:45:10,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:10,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:12,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:12,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 469 states and 2045 transitions. [2018-10-01 01:45:12,232 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 2045 transitions. [2018-10-01 01:45:12,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:45:12,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:12,400 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:18,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:18,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2072 states to 472 states and 2072 transitions. [2018-10-01 01:45:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 2072 transitions. [2018-10-01 01:45:18,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:45:18,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:18,315 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:23,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:23,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 475 states and 2094 transitions. [2018-10-01 01:45:23,921 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 2094 transitions. [2018-10-01 01:45:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:45:23,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:27,970 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:49,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:49,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 481 states and 2138 transitions. [2018-10-01 01:45:49,102 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 2138 transitions. [2018-10-01 01:45:49,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:45:49,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:49,453 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:45:51,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:45:51,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 482 states and 2147 transitions. [2018-10-01 01:45:51,188 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 2147 transitions. [2018-10-01 01:45:51,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:45:51,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:45:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:45:52,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:46:09,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:09,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 489 states and 2184 transitions. [2018-10-01 01:46:09,475 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 2184 transitions. [2018-10-01 01:46:09,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:46:09,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:09,783 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:46:13,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:13,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 491 states and 2196 transitions. [2018-10-01 01:46:13,509 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 2196 transitions. [2018-10-01 01:46:13,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:46:13,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:13,906 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:46:15,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:15,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 492 states and 2196 transitions. [2018-10-01 01:46:15,126 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 2196 transitions. [2018-10-01 01:46:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:46:15,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:15,158 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:46:15,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:15,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 494 states and 2200 transitions. [2018-10-01 01:46:15,936 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 2200 transitions. [2018-10-01 01:46:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:46:15,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:15,956 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:46:19,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:19,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 496 states and 2211 transitions. [2018-10-01 01:46:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 2211 transitions. [2018-10-01 01:46:19,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:46:19,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:19,898 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:46:19,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:19,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 497 states and 2213 transitions. [2018-10-01 01:46:19,939 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 2213 transitions. [2018-10-01 01:46:19,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:46:19,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:19,974 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:46:21,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:21,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 498 states and 2226 transitions. [2018-10-01 01:46:21,915 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 2226 transitions. [2018-10-01 01:46:21,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:46:21,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:24,882 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:46:31,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:31,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 501 states and 2238 transitions. [2018-10-01 01:46:31,123 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 2238 transitions. [2018-10-01 01:46:31,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:46:31,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:31,142 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:46:31,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:31,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 502 states and 2240 transitions. [2018-10-01 01:46:31,918 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 2240 transitions. [2018-10-01 01:46:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:46:31,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:34,368 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:46:41,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 505 states and 2263 transitions. [2018-10-01 01:46:41,744 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 2263 transitions. [2018-10-01 01:46:41,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:46:41,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:44,282 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:46:56,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:46:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 509 states and 2311 transitions. [2018-10-01 01:46:56,856 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 2311 transitions. [2018-10-01 01:46:56,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:46:56,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:46:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:46:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:47:04,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:47:04,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 512 states and 2334 transitions. [2018-10-01 01:47:04,648 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 2334 transitions. [2018-10-01 01:47:04,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:47:04,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:47:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:47:04,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:47:11,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:47:11,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 515 states and 2352 transitions. [2018-10-01 01:47:11,303 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 2352 transitions. [2018-10-01 01:47:11,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:47:11,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:47:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:47:13,491 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:47:19,576 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-01 01:47:33,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:47:33,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 520 states and 2396 transitions. [2018-10-01 01:47:33,044 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 2396 transitions. [2018-10-01 01:47:33,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:47:33,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:47:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:47:33,083 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:47:42,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:47:42,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 524 states and 2416 transitions. [2018-10-01 01:47:42,307 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 2416 transitions. [2018-10-01 01:47:42,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:47:42,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:47:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:47:42,338 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:47:45,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:47:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 526 states and 2429 transitions. [2018-10-01 01:47:45,925 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 2429 transitions. [2018-10-01 01:47:45,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:47:45,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:47:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:47:46,005 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:47:46,886 WARN L178 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-01 01:47:53,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:47:53,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 529 states and 2451 transitions. [2018-10-01 01:47:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 2451 transitions. [2018-10-01 01:47:53,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:47:53,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:47:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:47:53,552 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:47:56,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:47:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 530 states and 2459 transitions. [2018-10-01 01:47:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 2459 transitions. [2018-10-01 01:47:56,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:47:56,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:47:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:47:56,124 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:48:03,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:48:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 533 states and 2475 transitions. [2018-10-01 01:48:03,371 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 2475 transitions. [2018-10-01 01:48:03,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:48:03,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:48:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:48:03,561 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:48:08,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:48:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 535 states and 2486 transitions. [2018-10-01 01:48:08,215 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 2486 transitions. [2018-10-01 01:48:08,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:48:08,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:48:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:48:11,473 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:48:31,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:48:31,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 541 states and 2510 transitions. [2018-10-01 01:48:31,751 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 2510 transitions. [2018-10-01 01:48:31,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:48:31,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:48:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:48:31,792 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:48:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:48:34,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 542 states and 2514 transitions. [2018-10-01 01:48:34,094 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 2514 transitions. [2018-10-01 01:48:34,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:48:34,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:48:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:48:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:48:41,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:48:41,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 545 states and 2536 transitions. [2018-10-01 01:48:41,698 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 2536 transitions. [2018-10-01 01:48:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:48:41,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:48:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:48:41,774 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:48:46,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:48:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 547 states and 2547 transitions. [2018-10-01 01:48:46,754 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 2547 transitions. [2018-10-01 01:48:46,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:48:46,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:48:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:48:46,813 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:48:51,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:48:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 549 states and 2554 transitions. [2018-10-01 01:48:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 2554 transitions. [2018-10-01 01:48:51,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:48:51,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:48:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:48:52,040 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:48:57,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:48:57,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 551 states and 2562 transitions. [2018-10-01 01:48:57,190 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 2562 transitions. [2018-10-01 01:48:57,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:48:57,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:48:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:48:57,434 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:49:02,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:02,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 553 states and 2571 transitions. [2018-10-01 01:49:02,145 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 2571 transitions. [2018-10-01 01:49:02,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:49:02,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:02,463 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:49:07,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:07,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 555 states and 2580 transitions. [2018-10-01 01:49:07,264 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 2580 transitions. [2018-10-01 01:49:07,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:49:07,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:07,469 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:49:09,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:09,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 556 states and 2587 transitions. [2018-10-01 01:49:09,691 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 2587 transitions. [2018-10-01 01:49:09,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:49:09,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:09,724 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:49:16,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 559 states and 2603 transitions. [2018-10-01 01:49:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 2603 transitions. [2018-10-01 01:49:16,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:49:16,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:17,446 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:49:23,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:23,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 560 states and 2604 transitions. [2018-10-01 01:49:23,260 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 2604 transitions. [2018-10-01 01:49:23,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:49:23,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:23,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:49:28,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:28,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 562 states and 2618 transitions. [2018-10-01 01:49:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 2618 transitions. [2018-10-01 01:49:28,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:49:28,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:29,493 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:49:40,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:40,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 564 states and 2621 transitions. [2018-10-01 01:49:40,095 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 2621 transitions. [2018-10-01 01:49:40,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:49:40,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:40,224 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:49:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:42,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 565 states and 2621 transitions. [2018-10-01 01:49:42,432 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 2621 transitions. [2018-10-01 01:49:42,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:49:42,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:49:43,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:43,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 566 states and 2621 transitions. [2018-10-01 01:49:43,332 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 2621 transitions. [2018-10-01 01:49:43,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:49:43,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:49:45,858 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:49:59,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:49:59,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 570 states and 2642 transitions. [2018-10-01 01:49:59,678 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 2642 transitions. [2018-10-01 01:49:59,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:49:59,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:49:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:00,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:50:13,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:13,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 574 states and 2668 transitions. [2018-10-01 01:50:13,776 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 2668 transitions. [2018-10-01 01:50:13,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:50:13,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:13,965 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:50:18,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:18,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 576 states and 2673 transitions. [2018-10-01 01:50:18,208 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 2673 transitions. [2018-10-01 01:50:18,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:50:18,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:18,689 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-01 01:50:22,542 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-01 01:50:22,545 INFO L168 Benchmark]: Toolchain (without parser) took 791104.71 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -900.6 MB). Peak memory consumption was 937.5 MB. Max. memory is 7.1 GB. [2018-10-01 01:50:22,546 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 01:50:22,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.36 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 01:50:22,547 INFO L168 Benchmark]: Boogie Preprocessor took 31.88 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 01:50:22,547 INFO L168 Benchmark]: RCFGBuilder took 627.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-01 01:50:22,548 INFO L168 Benchmark]: CodeCheck took 790391.20 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -921.8 MB). Peak memory consumption was 916.4 MB. Max. memory is 7.1 GB. [2018-10-01 01:50:22,550 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 2226 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.36 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.88 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 627.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 790391.20 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -921.8 MB). Peak memory consumption was 916.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product_WithProcedures.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-01_01-50-22-567.csv Completed graceful shutdown