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 [2018-09-30 21:01:12,227 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:01:12,232 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:01:12,244 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:01:12,244 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:01:12,245 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:01:12,247 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:01:12,248 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:01:12,250 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:01:12,251 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:01:12,252 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:01:12,252 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:01:12,253 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:01:12,254 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:01:12,255 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:01:12,256 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:01:12,257 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:01:12,258 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:01:12,260 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:01:12,265 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:01:12,266 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:01:12,270 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:01:12,273 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:01:12,273 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:01:12,273 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:01:12,274 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:01:12,276 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:01:12,278 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:01:12,279 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:01:12,281 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:01:12,282 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:01:12,282 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:01:12,283 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:01:12,284 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:01:12,285 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:01:12,287 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:01:12,287 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-30 21:01:12,316 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:01:12,316 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:01:12,320 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:01:12,321 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:01:12,321 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:01:12,321 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:01:12,322 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:01:12,322 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:01:12,322 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:01:12,322 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:01:12,322 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:01:12,323 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:01:12,323 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:01:12,323 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:01:12,323 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:01:12,324 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:01:12,325 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:01:12,325 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:01:12,325 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:01:12,325 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:01:12,327 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:01:12,327 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:01:12,327 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:01:12,327 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:01:12,327 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:01:12,328 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:01:12,328 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:01:12,328 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:01:12,328 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:01:12,394 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:01:12,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:01:12,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:01:12,418 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:01:12,419 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:01:12,419 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl [2018-09-30 21:01:12,420 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl' [2018-09-30 21:01:12,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:01:12,500 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:01:12,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:01:12,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:01:12,501 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:01:12,522 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 30.09 09:01:12" (1/1) ... [2018-09-30 21:01:12,536 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 30.09 09:01:12" (1/1) ... [2018-09-30 21:01:12,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:01:12,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:01:12,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:01:12,546 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:01:12,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:12" (1/1) ... [2018-09-30 21:01:12,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:12" (1/1) ... [2018-09-30 21:01:12,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:12" (1/1) ... [2018-09-30 21:01:12,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:12" (1/1) ... [2018-09-30 21:01:12,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:12" (1/1) ... [2018-09-30 21:01:12,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:12" (1/1) ... [2018-09-30 21:01:12,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:12" (1/1) ... [2018-09-30 21:01:12,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:01:12,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:01:12,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:01:12,575 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:01:12,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:01:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:01:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure l1l0 [2018-09-30 21:01:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l0 [2018-09-30 21:01:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure l0l1 [2018-09-30 21:01:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l1 [2018-09-30 21:01:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure l0l0 [2018-09-30 21:01:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l0 [2018-09-30 21:01:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 21:01:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 21:01:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure l1l1 [2018-09-30 21:01:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l1 [2018-09-30 21:01:13,245 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 21:01:13,246 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:01:13 BoogieIcfgContainer [2018-09-30 21:01:13,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:01:13,247 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:01:13,247 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:01:13,258 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:01:13,258 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:01:13" (1/1) ... [2018-09-30 21:01:13,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 21:01:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:13,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-09-30 21:01:13,313 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-09-30 21:01:13,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:13,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:13,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:13,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:13,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-09-30 21:01:13,927 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-09-30 21:01:13,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:13,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:15,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:15,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-09-30 21:01:15,091 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-09-30 21:01:15,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:15,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:15,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:15,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:15,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2018-09-30 21:01:15,993 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2018-09-30 21:01:15,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:15,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:16,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:16,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:16,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2018-09-30 21:01:16,245 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2018-09-30 21:01:16,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:16,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:16,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:01:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:16,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 114 transitions. [2018-09-30 21:01:16,325 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2018-09-30 21:01:16,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:16,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:17,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:17,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 64 states and 129 transitions. [2018-09-30 21:01:17,082 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 129 transitions. [2018-09-30 21:01:17,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:17,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:17,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:17,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:17,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 132 transitions. [2018-09-30 21:01:17,351 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 132 transitions. [2018-09-30 21:01:17,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:17,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:17,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:17,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:17,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 67 states and 141 transitions. [2018-09-30 21:01:17,648 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 141 transitions. [2018-09-30 21:01:17,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:17,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:17,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:17,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:17,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 147 transitions. [2018-09-30 21:01:17,994 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 147 transitions. [2018-09-30 21:01:17,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:17,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:18,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:01:18,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:18,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 149 transitions. [2018-09-30 21:01:18,050 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 149 transitions. [2018-09-30 21:01:18,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:18,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:18,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:18,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:18,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 75 states and 160 transitions. [2018-09-30 21:01:18,373 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 160 transitions. [2018-09-30 21:01:18,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:18,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:18,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:18,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 76 states and 160 transitions. [2018-09-30 21:01:18,535 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 160 transitions. [2018-09-30 21:01:18,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:01:18,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:18,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:19,961 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2018-09-30 21:01:20,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:20,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 83 states and 182 transitions. [2018-09-30 21:01:20,637 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 182 transitions. [2018-09-30 21:01:20,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:01:20,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:21,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:22,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 90 states and 207 transitions. [2018-09-30 21:01:22,541 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 207 transitions. [2018-09-30 21:01:22,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:01:22,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:23,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:24,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:24,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 96 states and 228 transitions. [2018-09-30 21:01:24,511 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 228 transitions. [2018-09-30 21:01:24,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:01:24,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:24,933 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:26,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:26,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 99 states and 242 transitions. [2018-09-30 21:01:26,544 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 242 transitions. [2018-09-30 21:01:26,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:01:26,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:27,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:27,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 100 states and 245 transitions. [2018-09-30 21:01:27,186 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 245 transitions. [2018-09-30 21:01:27,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:01:27,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:27,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:28,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:28,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 102 states and 251 transitions. [2018-09-30 21:01:28,476 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 251 transitions. [2018-09-30 21:01:28,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:01:28,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:28,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:29,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:29,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 104 states and 257 transitions. [2018-09-30 21:01:29,028 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 257 transitions. [2018-09-30 21:01:29,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:01:29,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:29,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:30,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:30,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 108 states and 271 transitions. [2018-09-30 21:01:30,255 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 271 transitions. [2018-09-30 21:01:30,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:30,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:30,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:32,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:32,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 115 states and 295 transitions. [2018-09-30 21:01:32,353 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 295 transitions. [2018-09-30 21:01:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:32,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:32,632 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:33,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:33,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 120 states and 311 transitions. [2018-09-30 21:01:33,752 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 311 transitions. [2018-09-30 21:01:33,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:33,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:33,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 121 states and 312 transitions. [2018-09-30 21:01:34,103 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 312 transitions. [2018-09-30 21:01:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:34,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:34,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:36,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:36,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 129 states and 332 transitions. [2018-09-30 21:01:36,219 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 332 transitions. [2018-09-30 21:01:36,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:36,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:36,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:37,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 136 states and 354 transitions. [2018-09-30 21:01:37,781 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 354 transitions. [2018-09-30 21:01:37,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:37,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:37,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:37,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:37,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 137 states and 354 transitions. [2018-09-30 21:01:37,884 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 354 transitions. [2018-09-30 21:01:37,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:37,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:37,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:38,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:38,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 143 states and 371 transitions. [2018-09-30 21:01:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 371 transitions. [2018-09-30 21:01:38,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:38,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:38,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:39,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:39,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 146 states and 376 transitions. [2018-09-30 21:01:39,149 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 376 transitions. [2018-09-30 21:01:39,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:39,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:39,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:39,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 147 states and 377 transitions. [2018-09-30 21:01:39,376 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 377 transitions. [2018-09-30 21:01:39,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:39,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:39,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:01:39,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:39,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 148 states and 380 transitions. [2018-09-30 21:01:39,593 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 380 transitions. [2018-09-30 21:01:39,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:39,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:39,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:41,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:41,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 154 states and 398 transitions. [2018-09-30 21:01:41,756 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 398 transitions. [2018-09-30 21:01:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:41,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:42,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:42,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:42,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 155 states and 399 transitions. [2018-09-30 21:01:42,165 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 399 transitions. [2018-09-30 21:01:42,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:42,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:42,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:43,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:43,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 160 states and 414 transitions. [2018-09-30 21:01:43,915 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 414 transitions. [2018-09-30 21:01:43,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:43,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:44,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:01:44,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:44,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 162 states and 417 transitions. [2018-09-30 21:01:44,417 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 417 transitions. [2018-09-30 21:01:44,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:44,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:44,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:45,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:45,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 165 states and 428 transitions. [2018-09-30 21:01:45,751 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 428 transitions. [2018-09-30 21:01:45,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:45,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:46,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:47,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:47,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 169 states and 447 transitions. [2018-09-30 21:01:47,840 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 447 transitions. [2018-09-30 21:01:47,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:47,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:48,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:50,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:50,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 173 states and 455 transitions. [2018-09-30 21:01:50,055 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 455 transitions. [2018-09-30 21:01:50,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 21:01:50,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:50,366 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:51,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:51,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 175 states and 463 transitions. [2018-09-30 21:01:51,249 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 463 transitions. [2018-09-30 21:01:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:01:51,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 21:01:53,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:53,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 178 states and 472 transitions. [2018-09-30 21:01:53,330 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 472 transitions. [2018-09-30 21:01:53,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:01:53,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:53,655 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 21:01:54,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:54,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 178 states and 471 transitions. [2018-09-30 21:01:54,238 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 471 transitions. [2018-09-30 21:01:54,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:01:54,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:54,251 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-09-30 21:01:54,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:54,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 178 states and 470 transitions. [2018-09-30 21:01:54,883 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 470 transitions. [2018-09-30 21:01:54,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 21:01:54,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:55,205 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:56,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:56,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 180 states and 478 transitions. [2018-09-30 21:01:56,259 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 478 transitions. [2018-09-30 21:01:56,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:01:56,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 21:01:58,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:58,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 183 states and 487 transitions. [2018-09-30 21:01:58,318 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 487 transitions. [2018-09-30 21:01:58,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:01:58,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:59,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:03,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:03,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 187 states and 509 transitions. [2018-09-30 21:02:03,068 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 509 transitions. [2018-09-30 21:02:03,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:02:03,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:03,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:07,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:07,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 193 states and 539 transitions. [2018-09-30 21:02:07,953 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 539 transitions. [2018-09-30 21:02:07,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:02:07,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:08,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:09,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:09,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 196 states and 546 transitions. [2018-09-30 21:02:09,944 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 546 transitions. [2018-09-30 21:02:09,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:02:09,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:10,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:11,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:11,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 197 states and 552 transitions. [2018-09-30 21:02:11,088 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 552 transitions. [2018-09-30 21:02:11,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:02:11,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:11,433 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:13,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:13,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 198 states and 558 transitions. [2018-09-30 21:02:13,503 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 558 transitions. [2018-09-30 21:02:13,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:02:13,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:13,743 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:14,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:14,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 203 states and 573 transitions. [2018-09-30 21:02:14,657 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 573 transitions. [2018-09-30 21:02:14,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:02:14,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:14,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:14,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:14,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 204 states and 573 transitions. [2018-09-30 21:02:14,909 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 573 transitions. [2018-09-30 21:02:14,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:02:14,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:17,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:17,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 210 states and 593 transitions. [2018-09-30 21:02:17,400 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 593 transitions. [2018-09-30 21:02:17,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:02:17,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:18,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:23,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:23,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 214 states and 615 transitions. [2018-09-30 21:02:23,473 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 615 transitions. [2018-09-30 21:02:23,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:02:23,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:24,195 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:27,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 218 states and 638 transitions. [2018-09-30 21:02:27,621 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 638 transitions. [2018-09-30 21:02:27,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:02:27,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:27,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:31,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 222 states and 653 transitions. [2018-09-30 21:02:31,418 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 653 transitions. [2018-09-30 21:02:31,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:02:31,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:35,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:35,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 227 states and 673 transitions. [2018-09-30 21:02:35,259 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 673 transitions. [2018-09-30 21:02:35,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:02:35,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:35,732 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:36,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:36,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 228 states and 674 transitions. [2018-09-30 21:02:36,816 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 674 transitions. [2018-09-30 21:02:36,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:02:36,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:36,835 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:37,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:37,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 229 states and 678 transitions. [2018-09-30 21:02:37,963 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 678 transitions. [2018-09-30 21:02:37,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:02:37,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:38,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:41,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 233 states and 696 transitions. [2018-09-30 21:02:41,173 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 696 transitions. [2018-09-30 21:02:41,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:02:41,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:41,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:43,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:43,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 237 states and 716 transitions. [2018-09-30 21:02:43,758 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 716 transitions. [2018-09-30 21:02:43,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:02:43,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:44,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:44,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:44,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 240 states and 719 transitions. [2018-09-30 21:02:44,803 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 719 transitions. [2018-09-30 21:02:44,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:02:44,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:44,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:46,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:46,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 243 states and 732 transitions. [2018-09-30 21:02:46,335 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 732 transitions. [2018-09-30 21:02:46,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:02:46,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:49,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:49,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 244 states and 736 transitions. [2018-09-30 21:02:49,892 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 736 transitions. [2018-09-30 21:02:49,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:02:49,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:55,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:55,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 250 states and 763 transitions. [2018-09-30 21:02:55,426 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 763 transitions. [2018-09-30 21:02:55,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:02:55,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:56,439 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 262 states and 815 transitions. [2018-09-30 21:03:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 815 transitions. [2018-09-30 21:03:06,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:03:06,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:06,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:15,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:15,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 271 states and 860 transitions. [2018-09-30 21:03:15,377 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 860 transitions. [2018-09-30 21:03:15,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:03:15,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:15,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:16,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:16,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 272 states and 869 transitions. [2018-09-30 21:03:16,296 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 869 transitions. [2018-09-30 21:03:16,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:03:16,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:16,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:17,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:17,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 273 states and 879 transitions. [2018-09-30 21:03:17,109 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 879 transitions. [2018-09-30 21:03:17,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:03:17,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:17,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:20,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:20,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 277 states and 910 transitions. [2018-09-30 21:03:20,205 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 910 transitions. [2018-09-30 21:03:20,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:03:20,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:23,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:23,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 280 states and 930 transitions. [2018-09-30 21:03:23,269 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 930 transitions. [2018-09-30 21:03:23,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:03:23,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:23,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:24,595 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-30 21:03:26,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:26,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 287 states and 956 transitions. [2018-09-30 21:03:26,753 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 956 transitions. [2018-09-30 21:03:26,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:03:26,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:27,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:29,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:29,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 290 states and 969 transitions. [2018-09-30 21:03:29,665 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 969 transitions. [2018-09-30 21:03:29,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:03:29,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:29,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:29,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:29,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 291 states and 971 transitions. [2018-09-30 21:03:29,741 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 971 transitions. [2018-09-30 21:03:29,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:03:29,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:37,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 295 states and 993 transitions. [2018-09-30 21:03:37,105 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 993 transitions. [2018-09-30 21:03:37,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:03:37,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:37,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:39,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 297 states and 997 transitions. [2018-09-30 21:03:39,408 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 997 transitions. [2018-09-30 21:03:39,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:03:39,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:39,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:48,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:48,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 305 states and 1037 transitions. [2018-09-30 21:03:48,094 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1037 transitions. [2018-09-30 21:03:48,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:03:48,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:48,541 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:52,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 306 states and 1043 transitions. [2018-09-30 21:03:52,516 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1043 transitions. [2018-09-30 21:03:52,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:03:52,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:52,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:53,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:53,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 307 states and 1046 transitions. [2018-09-30 21:03:53,975 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1046 transitions. [2018-09-30 21:03:53,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:03:53,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:54,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:00,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:00,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 311 states and 1063 transitions. [2018-09-30 21:04:00,338 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1063 transitions. [2018-09-30 21:04:00,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:04:00,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:00,484 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:01,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:01,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 312 states and 1068 transitions. [2018-09-30 21:04:01,449 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 1068 transitions. [2018-09-30 21:04:01,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:04:01,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:13,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:13,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 321 states and 1115 transitions. [2018-09-30 21:04:13,713 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1115 transitions. [2018-09-30 21:04:13,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:04:13,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:13,818 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:16,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 323 states and 1120 transitions. [2018-09-30 21:04:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 1120 transitions. [2018-09-30 21:04:16,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:04:16,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:20,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:20,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 327 states and 1141 transitions. [2018-09-30 21:04:20,627 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 1141 transitions. [2018-09-30 21:04:20,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:04:20,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:20,659 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:23,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:23,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 329 states and 1145 transitions. [2018-09-30 21:04:23,167 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 1145 transitions. [2018-09-30 21:04:23,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:04:23,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:23,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:23,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:23,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 330 states and 1148 transitions. [2018-09-30 21:04:23,842 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1148 transitions. [2018-09-30 21:04:23,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:04:23,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:23,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:27,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:27,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 333 states and 1168 transitions. [2018-09-30 21:04:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 1168 transitions. [2018-09-30 21:04:27,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:04:27,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:30,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:30,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 335 states and 1173 transitions. [2018-09-30 21:04:30,087 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1173 transitions. [2018-09-30 21:04:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:04:30,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:30,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:31,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 335 states and 1170 transitions. [2018-09-30 21:04:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1170 transitions. [2018-09-30 21:04:31,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:04:31,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:34,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 336 states and 1171 transitions. [2018-09-30 21:04:34,945 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1171 transitions. [2018-09-30 21:04:34,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:04:34,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:42,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:42,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 342 states and 1207 transitions. [2018-09-30 21:04:42,867 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 1207 transitions. [2018-09-30 21:04:42,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:04:42,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:56,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:56,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 352 states and 1257 transitions. [2018-09-30 21:04:56,892 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 1257 transitions. [2018-09-30 21:04:56,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:04:56,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:56,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:59,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:59,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 356 states and 1272 transitions. [2018-09-30 21:04:59,359 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 1272 transitions. [2018-09-30 21:04:59,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:04:59,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:59,644 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:01,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:01,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 357 states and 1276 transitions. [2018-09-30 21:05:01,327 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 1276 transitions. [2018-09-30 21:05:01,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:05:01,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:03,507 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:05:18,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:18,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 365 states and 1341 transitions. [2018-09-30 21:05:18,463 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 1341 transitions. [2018-09-30 21:05:18,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:05:18,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:19,924 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-30 21:05:25,733 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 21:05:25,735 INFO L168 Benchmark]: Toolchain (without parser) took 253238.33 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -386.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-30 21:05:25,737 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:05:25,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.96 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:05:25,738 INFO L168 Benchmark]: Boogie Preprocessor took 28.13 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:05:25,738 INFO L168 Benchmark]: RCFGBuilder took 672.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:05:25,739 INFO L168 Benchmark]: CodeCheck took 252487.62 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -407.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-09-30 21:05:25,743 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 1230 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.96 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.13 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 672.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 252487.62 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -407.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product_WithProcedures.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-05-25-755.csv Completed graceful shutdown