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-b2fde6a [2018-09-28 10:51:16,142 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 10:51:16,143 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 10:51:16,155 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 10:51:16,155 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 10:51:16,157 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 10:51:16,158 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 10:51:16,160 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 10:51:16,161 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 10:51:16,162 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 10:51:16,163 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 10:51:16,164 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 10:51:16,165 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 10:51:16,166 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 10:51:16,167 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 10:51:16,168 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 10:51:16,168 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 10:51:16,170 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 10:51:16,172 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 10:51:16,174 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 10:51:16,175 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 10:51:16,176 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 10:51:16,179 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 10:51:16,179 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 10:51:16,179 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 10:51:16,180 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 10:51:16,181 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 10:51:16,182 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 10:51:16,183 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 10:51:16,184 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 10:51:16,184 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 10:51:16,185 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 10:51:16,185 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 10:51:16,185 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 10:51:16,186 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 10:51:16,187 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 10:51:16,187 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-28 10:51:16,215 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 10:51:16,216 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 10:51:16,217 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 10:51:16,217 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 10:51:16,218 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 10:51:16,218 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 10:51:16,222 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 10:51:16,223 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 10:51:16,223 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 10:51:16,223 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 10:51:16,223 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 10:51:16,224 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 10:51:16,224 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 10:51:16,224 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 10:51:16,224 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 10:51:16,225 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 10:51:16,225 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 10:51:16,225 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 10:51:16,225 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 10:51:16,225 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 10:51:16,226 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 10:51:16,226 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 10:51:16,226 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 10:51:16,226 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 10:51:16,226 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 10:51:16,228 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 10:51:16,228 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 10:51:16,228 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 10:51:16,228 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 10:51:16,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 10:51:16,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 10:51:16,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 10:51:16,303 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 10:51:16,303 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 10:51:16,304 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl [2018-09-28 10:51:16,304 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl' [2018-09-28 10:51:16,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 10:51:16,362 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 10:51:16,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 10:51:16,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 10:51:16,364 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 10:51:16,385 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 28.09 10:51:16" (1/1) ... [2018-09-28 10:51:16,398 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 28.09 10:51:16" (1/1) ... [2018-09-28 10:51:16,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 10:51:16,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 10:51:16,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 10:51:16,409 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 10:51:16,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:16" (1/1) ... [2018-09-28 10:51:16,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:16" (1/1) ... [2018-09-28 10:51:16,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:16" (1/1) ... [2018-09-28 10:51:16,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:16" (1/1) ... [2018-09-28 10:51:16,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:16" (1/1) ... [2018-09-28 10:51:16,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:16" (1/1) ... [2018-09-28 10:51:16,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:16" (1/1) ... [2018-09-28 10:51:16,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 10:51:16,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 10:51:16,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 10:51:16,434 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 10:51:16,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:51:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 10:51:16,510 INFO L130 BoogieDeclarations]: Found specification of procedure l1l0 [2018-09-28 10:51:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l0 [2018-09-28 10:51:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure l0l1 [2018-09-28 10:51:16,511 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l1 [2018-09-28 10:51:16,511 INFO L130 BoogieDeclarations]: Found specification of procedure l0l0 [2018-09-28 10:51:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l0 [2018-09-28 10:51:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-28 10:51:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-28 10:51:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure l1l1 [2018-09-28 10:51:16,512 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l1 [2018-09-28 10:51:17,217 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-28 10:51:17,218 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:51:17 BoogieIcfgContainer [2018-09-28 10:51:17,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 10:51:17,219 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 10:51:17,219 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 10:51:17,229 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 10:51:17,229 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:51:17" (1/1) ... [2018-09-28 10:51:17,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:51:17,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:17,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-09-28 10:51:17,285 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-09-28 10:51:17,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:51:17,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:17,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:18,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:18,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-09-28 10:51:18,010 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-09-28 10:51:18,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 10:51:18,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:19,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:19,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-09-28 10:51:19,211 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-09-28 10:51:19,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:19,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:19,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:20,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:20,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2018-09-28 10:51:20,128 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2018-09-28 10:51:20,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:20,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:20,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:20,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:20,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2018-09-28 10:51:20,384 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2018-09-28 10:51:20,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:20,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:20,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:51:20,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 114 transitions. [2018-09-28 10:51:20,455 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2018-09-28 10:51:20,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:20,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:20,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:21,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 64 states and 129 transitions. [2018-09-28 10:51:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 129 transitions. [2018-09-28 10:51:21,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:21,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:21,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:21,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:21,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 132 transitions. [2018-09-28 10:51:21,470 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 132 transitions. [2018-09-28 10:51:21,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:21,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:21,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:21,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:21,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 67 states and 140 transitions. [2018-09-28 10:51:21,795 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 140 transitions. [2018-09-28 10:51:21,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:21,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:21,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:22,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:22,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 147 transitions. [2018-09-28 10:51:22,229 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 147 transitions. [2018-09-28 10:51:22,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:22,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:22,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:51:22,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:22,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 149 transitions. [2018-09-28 10:51:22,284 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 149 transitions. [2018-09-28 10:51:22,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:22,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:22,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:22,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:22,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 72 states and 149 transitions. [2018-09-28 10:51:22,445 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 149 transitions. [2018-09-28 10:51:22,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:51:22,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:22,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 76 states and 159 transitions. [2018-09-28 10:51:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 159 transitions. [2018-09-28 10:51:22,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-28 10:51:22,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:22,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:25,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:25,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 83 states and 182 transitions. [2018-09-28 10:51:25,309 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 182 transitions. [2018-09-28 10:51:25,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-28 10:51:25,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:25,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:27,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:27,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 90 states and 206 transitions. [2018-09-28 10:51:27,073 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 206 transitions. [2018-09-28 10:51:27,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:51:27,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:27,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:28,149 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2018-09-28 10:51:29,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:29,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 96 states and 227 transitions. [2018-09-28 10:51:29,511 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 227 transitions. [2018-09-28 10:51:29,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:51:29,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:29,810 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:31,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:31,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 99 states and 241 transitions. [2018-09-28 10:51:31,060 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 241 transitions. [2018-09-28 10:51:31,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:51:31,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:31,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:31,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:31,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 100 states and 244 transitions. [2018-09-28 10:51:31,766 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 244 transitions. [2018-09-28 10:51:31,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:51:31,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:31,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:34,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:34,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 105 states and 270 transitions. [2018-09-28 10:51:34,126 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 270 transitions. [2018-09-28 10:51:34,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:51:34,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:34,152 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:34,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:34,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 107 states and 276 transitions. [2018-09-28 10:51:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 276 transitions. [2018-09-28 10:51:34,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 10:51:34,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:35,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:35,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 111 states and 290 transitions. [2018-09-28 10:51:35,884 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 290 transitions. [2018-09-28 10:51:35,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:35,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:36,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:38,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:38,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 118 states and 315 transitions. [2018-09-28 10:51:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 315 transitions. [2018-09-28 10:51:38,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:38,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:39,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:39,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 123 states and 332 transitions. [2018-09-28 10:51:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 332 transitions. [2018-09-28 10:51:39,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:39,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:39,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:40,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:40,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 124 states and 333 transitions. [2018-09-28 10:51:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 333 transitions. [2018-09-28 10:51:40,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:40,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:40,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:41,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:41,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 131 states and 356 transitions. [2018-09-28 10:51:41,512 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 356 transitions. [2018-09-28 10:51:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:41,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:41,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:43,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:43,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 139 states and 376 transitions. [2018-09-28 10:51:43,617 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 376 transitions. [2018-09-28 10:51:43,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:43,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:43,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:43,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:43,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 140 states and 377 transitions. [2018-09-28 10:51:43,682 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 377 transitions. [2018-09-28 10:51:43,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:43,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:43,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:44,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 143 states and 382 transitions. [2018-09-28 10:51:44,298 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 382 transitions. [2018-09-28 10:51:44,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:44,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:44,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:45,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:45,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 149 states and 397 transitions. [2018-09-28 10:51:45,582 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 397 transitions. [2018-09-28 10:51:45,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:45,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:45,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 150 states and 397 transitions. [2018-09-28 10:51:45,738 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 397 transitions. [2018-09-28 10:51:45,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:45,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:45,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:51:45,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:45,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 151 states and 400 transitions. [2018-09-28 10:51:45,863 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 400 transitions. [2018-09-28 10:51:45,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:45,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:46,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:48,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:48,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 157 states and 418 transitions. [2018-09-28 10:51:48,372 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 418 transitions. [2018-09-28 10:51:48,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:48,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:48,562 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:50,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:50,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 162 states and 435 transitions. [2018-09-28 10:51:50,326 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 435 transitions. [2018-09-28 10:51:50,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:50,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:50,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:50,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:50,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 163 states and 436 transitions. [2018-09-28 10:51:50,862 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 436 transitions. [2018-09-28 10:51:50,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:50,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:50,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 10:51:51,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:51,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 165 states and 439 transitions. [2018-09-28 10:51:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 439 transitions. [2018-09-28 10:51:51,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:51,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:51,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:52,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:52,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 168 states and 451 transitions. [2018-09-28 10:51:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 451 transitions. [2018-09-28 10:51:52,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:52,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:52,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:53,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:53,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 171 states and 465 transitions. [2018-09-28 10:51:53,937 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 465 transitions. [2018-09-28 10:51:53,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:53,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:54,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:56,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:56,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 175 states and 474 transitions. [2018-09-28 10:51:56,465 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 474 transitions. [2018-09-28 10:51:56,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:56,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:56,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:57,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:57,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 177 states and 480 transitions. [2018-09-28 10:51:57,610 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 480 transitions. [2018-09-28 10:51:57,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:51:57,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:57,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:58,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:58,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 178 states and 485 transitions. [2018-09-28 10:51:58,221 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 485 transitions. [2018-09-28 10:51:58,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-28 10:51:58,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:58,325 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:51:59,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:51:59,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 180 states and 493 transitions. [2018-09-28 10:51:59,285 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 493 transitions. [2018-09-28 10:51:59,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 10:51:59,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:51:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:51:59,595 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-28 10:52:01,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:01,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 183 states and 502 transitions. [2018-09-28 10:52:01,489 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 502 transitions. [2018-09-28 10:52:01,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 10:52:01,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-28 10:52:02,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:02,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 183 states and 501 transitions. [2018-09-28 10:52:02,495 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 501 transitions. [2018-09-28 10:52:02,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 10:52:02,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:02,509 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-09-28 10:52:03,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:03,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 183 states and 500 transitions. [2018-09-28 10:52:03,314 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 500 transitions. [2018-09-28 10:52:03,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-28 10:52:03,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:03,446 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:04,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:04,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 185 states and 508 transitions. [2018-09-28 10:52:04,502 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 508 transitions. [2018-09-28 10:52:04,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 10:52:04,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:04,516 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-28 10:52:06,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:06,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 188 states and 517 transitions. [2018-09-28 10:52:06,682 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 517 transitions. [2018-09-28 10:52:06,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 10:52:06,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:07,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:11,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:11,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 192 states and 539 transitions. [2018-09-28 10:52:11,533 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 539 transitions. [2018-09-28 10:52:11,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 10:52:11,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 197 states and 562 transitions. [2018-09-28 10:52:14,445 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 562 transitions. [2018-09-28 10:52:14,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 10:52:14,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:14,842 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:17,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 198 states and 568 transitions. [2018-09-28 10:52:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 568 transitions. [2018-09-28 10:52:17,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 10:52:17,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:18,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:19,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 203 states and 583 transitions. [2018-09-28 10:52:19,075 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 583 transitions. [2018-09-28 10:52:19,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 10:52:19,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:19,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:22,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:22,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 210 states and 610 transitions. [2018-09-28 10:52:22,063 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 610 transitions. [2018-09-28 10:52:22,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 10:52:22,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:22,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:27,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:27,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 214 states and 632 transitions. [2018-09-28 10:52:27,664 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 632 transitions. [2018-09-28 10:52:27,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 10:52:27,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:31,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:31,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 218 states and 649 transitions. [2018-09-28 10:52:31,510 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 649 transitions. [2018-09-28 10:52:31,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 10:52:31,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:32,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:37,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 224 states and 673 transitions. [2018-09-28 10:52:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 673 transitions. [2018-09-28 10:52:37,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 10:52:37,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:37,855 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:40,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:40,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 225 states and 676 transitions. [2018-09-28 10:52:40,153 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 676 transitions. [2018-09-28 10:52:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 10:52:40,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:40,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:43,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 229 states and 689 transitions. [2018-09-28 10:52:43,380 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 689 transitions. [2018-09-28 10:52:43,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 10:52:43,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:46,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:46,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 231 states and 694 transitions. [2018-09-28 10:52:46,011 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 694 transitions. [2018-09-28 10:52:46,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:52:46,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:50,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:50,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 238 states and 728 transitions. [2018-09-28 10:52:50,970 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 728 transitions. [2018-09-28 10:52:50,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:52:50,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:51,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:56,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:56,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 244 states and 748 transitions. [2018-09-28 10:52:56,994 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 748 transitions. [2018-09-28 10:52:56,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:52:56,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:57,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:52:58,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:58,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 247 states and 762 transitions. [2018-09-28 10:52:58,406 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 762 transitions. [2018-09-28 10:52:58,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:52:58,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:58,420 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-28 10:52:59,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:52:59,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 248 states and 762 transitions. [2018-09-28 10:52:59,278 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 762 transitions. [2018-09-28 10:52:59,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:52:59,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:52:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:52:59,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:00,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:00,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 249 states and 765 transitions. [2018-09-28 10:53:00,212 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 765 transitions. [2018-09-28 10:53:00,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:53:00,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:00,495 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:03,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:03,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 251 states and 771 transitions. [2018-09-28 10:53:03,885 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 771 transitions. [2018-09-28 10:53:03,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:53:03,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:04,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:09,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:09,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 257 states and 798 transitions. [2018-09-28 10:53:09,385 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 798 transitions. [2018-09-28 10:53:09,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:53:09,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:10,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:14,195 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-28 10:53:17,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:17,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 266 states and 841 transitions. [2018-09-28 10:53:17,976 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 841 transitions. [2018-09-28 10:53:17,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:53:17,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:18,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:18,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:18,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 267 states and 849 transitions. [2018-09-28 10:53:18,979 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 849 transitions. [2018-09-28 10:53:18,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:53:18,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:18,993 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:20,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:20,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 269 states and 856 transitions. [2018-09-28 10:53:20,422 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 856 transitions. [2018-09-28 10:53:20,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:53:20,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:21,812 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:32,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:32,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 281 states and 914 transitions. [2018-09-28 10:53:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 914 transitions. [2018-09-28 10:53:32,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:53:32,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:33,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:43,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:43,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 289 states and 949 transitions. [2018-09-28 10:53:43,248 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 949 transitions. [2018-09-28 10:53:43,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:53:43,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:43,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:44,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:44,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 290 states and 956 transitions. [2018-09-28 10:53:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 956 transitions. [2018-09-28 10:53:44,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:53:44,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:47,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:47,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 294 states and 990 transitions. [2018-09-28 10:53:47,734 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 990 transitions. [2018-09-28 10:53:47,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:53:47,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:47,863 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:49,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:49,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 296 states and 1006 transitions. [2018-09-28 10:53:49,805 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 1006 transitions. [2018-09-28 10:53:49,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:53:49,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:53,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:53,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 299 states and 1020 transitions. [2018-09-28 10:53:53,994 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 1020 transitions. [2018-09-28 10:53:53,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:53:53,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:54,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:54,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 300 states and 1028 transitions. [2018-09-28 10:53:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1028 transitions. [2018-09-28 10:53:54,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:53:54,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:54,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:57,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:57,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 303 states and 1041 transitions. [2018-09-28 10:53:57,786 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1041 transitions. [2018-09-28 10:53:57,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:53:57,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:57,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:53:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:53:57,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 304 states and 1043 transitions. [2018-09-28 10:53:57,880 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1043 transitions. [2018-09-28 10:53:57,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:53:57,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:53:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:53:58,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:06,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:06,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 312 states and 1087 transitions. [2018-09-28 10:54:06,682 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 1087 transitions. [2018-09-28 10:54:06,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:54:06,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:15,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:15,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 318 states and 1105 transitions. [2018-09-28 10:54:15,996 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 1105 transitions. [2018-09-28 10:54:15,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:54:15,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:16,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:19,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:19,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 321 states and 1113 transitions. [2018-09-28 10:54:19,159 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1113 transitions. [2018-09-28 10:54:19,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:54:19,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:19,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:20,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:20,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 322 states and 1115 transitions. [2018-09-28 10:54:20,439 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 1115 transitions. [2018-09-28 10:54:20,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:54:20,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:20,569 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:23,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:23,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 324 states and 1118 transitions. [2018-09-28 10:54:23,137 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1118 transitions. [2018-09-28 10:54:23,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:54:23,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:23,183 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:25,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:25,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 326 states and 1121 transitions. [2018-09-28 10:54:25,629 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 1121 transitions. [2018-09-28 10:54:25,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:54:25,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:26,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:33,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:33,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 332 states and 1142 transitions. [2018-09-28 10:54:33,364 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 1142 transitions. [2018-09-28 10:54:33,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:54:33,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:34,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:34,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 333 states and 1146 transitions. [2018-09-28 10:54:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 1146 transitions. [2018-09-28 10:54:34,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:54:34,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:34,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:42,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 339 states and 1186 transitions. [2018-09-28 10:54:42,204 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 1186 transitions. [2018-09-28 10:54:42,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:54:42,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:42,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:46,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:46,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 342 states and 1202 transitions. [2018-09-28 10:54:46,957 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 1202 transitions. [2018-09-28 10:54:46,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:54:46,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:47,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:49,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:49,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 344 states and 1212 transitions. [2018-09-28 10:54:49,721 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 1212 transitions. [2018-09-28 10:54:49,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:54:49,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:49,750 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:54:52,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:54:52,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 346 states and 1217 transitions. [2018-09-28 10:54:52,077 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 1217 transitions. [2018-09-28 10:54:52,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:54:52,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:54:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:54:54,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:55:01,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:55:01,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 351 states and 1239 transitions. [2018-09-28 10:55:01,963 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 1239 transitions. [2018-09-28 10:55:01,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:55:01,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:55:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:55:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:55:03,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:55:03,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 352 states and 1248 transitions. [2018-09-28 10:55:03,629 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 1248 transitions. [2018-09-28 10:55:03,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:55:03,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:55:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:55:08,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:55:15,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:55:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 358 states and 1288 transitions. [2018-09-28 10:55:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 1288 transitions. [2018-09-28 10:55:15,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:55:15,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:55:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:55:15,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:55:17,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:55:17,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 360 states and 1290 transitions. [2018-09-28 10:55:17,989 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 1290 transitions. [2018-09-28 10:55:17,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:55:17,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:55:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:55:20,060 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-28 10:55:24,420 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-28 10:55:24,423 INFO L168 Benchmark]: Toolchain (without parser) took 248067.02 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 1.2 GB in the end (delta: 248.2 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-09-28 10:55:24,424 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:55:24,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.37 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:55:24,425 INFO L168 Benchmark]: Boogie Preprocessor took 24.40 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 10:55:24,425 INFO L168 Benchmark]: RCFGBuilder took 784.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-28 10:55:24,426 INFO L168 Benchmark]: CodeCheck took 247203.77 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 227.1 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-09-28 10:55:24,437 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 1208 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 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 45.37 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.40 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 784.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 247203.77 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 227.1 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product_WithProcedures.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-28_10-55-24-454.csv Completed graceful shutdown