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_WithoutIf.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 10:01:38,926 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:01:38,932 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:01:38,944 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:01:38,944 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:01:38,945 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:01:38,949 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:01:38,952 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:01:38,954 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:01:38,955 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:01:38,956 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:01:38,957 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:01:38,959 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:01:38,960 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:01:38,961 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:01:38,970 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:01:38,971 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:01:38,974 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:01:38,976 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:01:38,978 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:01:38,982 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:01:38,983 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:01:38,986 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:01:38,986 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:01:38,987 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:01:38,988 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:01:38,989 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:01:38,993 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:01:38,993 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:01:38,995 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:01:38,995 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:01:38,996 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:01:38,996 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:01:38,996 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:01:38,998 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:01:38,999 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:01:38,999 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-04 10:01:39,025 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:01:39,026 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:01:39,026 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:01:39,027 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:01:39,028 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:01:39,028 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:01:39,029 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:01:39,029 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:01:39,029 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:01:39,029 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:01:39,029 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:01:39,030 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:01:39,030 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:01:39,030 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:01:39,030 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:01:39,030 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:01:39,031 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:01:39,031 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:01:39,031 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:01:39,031 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:01:39,031 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:01:39,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:01:39,032 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:01:39,032 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:01:39,032 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:01:39,032 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:01:39,033 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:01:39,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:01:39,033 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:01:39,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:01:39,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:01:39,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:01:39,099 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:01:39,100 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:01:39,100 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl [2018-10-04 10:01:39,101 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl' [2018-10-04 10:01:39,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:01:39,157 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:01:39,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:01:39,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:01:39,159 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:01:39,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:39" (1/1) ... [2018-10-04 10:01:39,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:39" (1/1) ... [2018-10-04 10:01:39,195 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 10:01:39,195 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 10:01:39,195 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 10:01:39,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:01:39,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:01:39,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:01:39,197 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:01:39,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:39" (1/1) ... [2018-10-04 10:01:39,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:39" (1/1) ... [2018-10-04 10:01:39,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:39" (1/1) ... [2018-10-04 10:01:39,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:39" (1/1) ... [2018-10-04 10:01:39,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:39" (1/1) ... [2018-10-04 10:01:39,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:39" (1/1) ... [2018-10-04 10:01:39,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:39" (1/1) ... [2018-10-04 10:01:39,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:01:39,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:01:39,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:01:39,218 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:01:39,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:01:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:01:39,285 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-10-04 10:01:39,285 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-10-04 10:01:39,285 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-10-04 10:01:39,768 INFO L338 CfgBuilder]: Using library mode [2018-10-04 10:01:39,769 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:01:39 BoogieIcfgContainer [2018-10-04 10:01:39,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:01:39,770 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:01:39,770 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:01:39,779 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:01:39,779 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:01:39" (1/1) ... [2018-10-04 10:01:39,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 10:01:39,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:39,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-10-04 10:01:39,827 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-10-04 10:01:39,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:01:39,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:40,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:40,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 20 states and 34 transitions. [2018-10-04 10:01:40,192 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 34 transitions. [2018-10-04 10:01:40,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:01:40,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:41,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:41,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 44 transitions. [2018-10-04 10:01:41,087 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 44 transitions. [2018-10-04 10:01:41,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 10:01:41,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:41,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:41,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 25 states and 51 transitions. [2018-10-04 10:01:41,156 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 51 transitions. [2018-10-04 10:01:41,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 10:01:41,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:41,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:42,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:42,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2018-10-04 10:01:42,376 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2018-10-04 10:01:42,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 10:01:42,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:42,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:43,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:43,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 31 states and 76 transitions. [2018-10-04 10:01:43,069 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 76 transitions. [2018-10-04 10:01:43,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:01:43,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:43,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:43,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:43,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 32 states and 84 transitions. [2018-10-04 10:01:43,312 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 84 transitions. [2018-10-04 10:01:43,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:01:43,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:43,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:44,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:44,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 33 states and 92 transitions. [2018-10-04 10:01:44,065 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 92 transitions. [2018-10-04 10:01:44,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:01:44,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 37 states and 112 transitions. [2018-10-04 10:01:45,390 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 112 transitions. [2018-10-04 10:01:45,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:01:45,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:46,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:46,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 38 states and 117 transitions. [2018-10-04 10:01:46,407 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 117 transitions. [2018-10-04 10:01:46,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:01:46,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:46,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:48,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:48,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 45 states and 148 transitions. [2018-10-04 10:01:48,502 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 148 transitions. [2018-10-04 10:01:48,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:01:48,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:49,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:50,224 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-04 10:01:51,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 49 states and 175 transitions. [2018-10-04 10:01:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 175 transitions. [2018-10-04 10:01:51,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:01:51,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:52,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:52,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 53 states and 192 transitions. [2018-10-04 10:01:52,519 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 192 transitions. [2018-10-04 10:01:52,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:01:52,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:52,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:52,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:52,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 54 states and 199 transitions. [2018-10-04 10:01:52,778 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 199 transitions. [2018-10-04 10:01:52,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:01:52,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:53,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:53,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 56 states and 203 transitions. [2018-10-04 10:01:53,024 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 203 transitions. [2018-10-04 10:01:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:01:53,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:53,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:54,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:54,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 59 states and 222 transitions. [2018-10-04 10:01:54,301 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 222 transitions. [2018-10-04 10:01:54,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:01:54,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:55,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:55,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 62 states and 233 transitions. [2018-10-04 10:01:55,670 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 233 transitions. [2018-10-04 10:01:55,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:01:55,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:55,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:56,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 63 states and 241 transitions. [2018-10-04 10:01:56,281 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 241 transitions. [2018-10-04 10:01:56,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:01:56,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:01:59,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:01:59,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 67 states and 271 transitions. [2018-10-04 10:01:59,087 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 271 transitions. [2018-10-04 10:01:59,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:01:59,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:01:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:01:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:01,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:01,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 71 states and 291 transitions. [2018-10-04 10:02:01,605 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 291 transitions. [2018-10-04 10:02:01,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:02:01,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:01,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:01,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:01,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 72 states and 298 transitions. [2018-10-04 10:02:01,965 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 298 transitions. [2018-10-04 10:02:01,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:02:01,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:01,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:03,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:03,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 75 states and 322 transitions. [2018-10-04 10:02:03,019 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 322 transitions. [2018-10-04 10:02:03,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:02:03,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:05,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:05,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 78 states and 346 transitions. [2018-10-04 10:02:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 346 transitions. [2018-10-04 10:02:05,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:02:05,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:08,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:08,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 82 states and 380 transitions. [2018-10-04 10:02:08,619 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 380 transitions. [2018-10-04 10:02:08,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:02:08,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:08,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:10,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:10,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 85 states and 394 transitions. [2018-10-04 10:02:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 394 transitions. [2018-10-04 10:02:10,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:02:10,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:10,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:12,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:12,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 87 states and 412 transitions. [2018-10-04 10:02:12,126 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 412 transitions. [2018-10-04 10:02:12,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:02:12,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:12,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:13,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 89 states and 417 transitions. [2018-10-04 10:02:13,300 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 417 transitions. [2018-10-04 10:02:13,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:02:13,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:13,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:14,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:14,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 91 states and 423 transitions. [2018-10-04 10:02:14,536 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 423 transitions. [2018-10-04 10:02:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:02:14,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:14,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:15,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:15,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 92 states and 436 transitions. [2018-10-04 10:02:15,239 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 436 transitions. [2018-10-04 10:02:15,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:02:15,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:15,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:16,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 94 states and 458 transitions. [2018-10-04 10:02:16,437 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 458 transitions. [2018-10-04 10:02:16,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:02:16,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:16,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:17,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:17,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 95 states and 464 transitions. [2018-10-04 10:02:17,415 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 464 transitions. [2018-10-04 10:02:17,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:02:17,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:17,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:18,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:18,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 97 states and 478 transitions. [2018-10-04 10:02:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 478 transitions. [2018-10-04 10:02:18,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:02:18,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:19,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:19,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 99 states and 482 transitions. [2018-10-04 10:02:19,657 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 482 transitions. [2018-10-04 10:02:19,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:02:19,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:20,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 101 states and 505 transitions. [2018-10-04 10:02:20,816 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 505 transitions. [2018-10-04 10:02:20,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:02:20,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:21,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:23,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:23,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 103 states and 514 transitions. [2018-10-04 10:02:23,075 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 514 transitions. [2018-10-04 10:02:23,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:23,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:23,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:23,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:23,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 104 states and 518 transitions. [2018-10-04 10:02:23,633 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 518 transitions. [2018-10-04 10:02:23,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:23,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:24,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:27,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:27,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 109 states and 557 transitions. [2018-10-04 10:02:27,927 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 557 transitions. [2018-10-04 10:02:27,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:27,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:28,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 110 states and 572 transitions. [2018-10-04 10:02:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 572 transitions. [2018-10-04 10:02:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:28,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:28,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:29,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:29,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 111 states and 581 transitions. [2018-10-04 10:02:29,412 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 581 transitions. [2018-10-04 10:02:29,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:29,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:30,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:34,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:34,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 116 states and 618 transitions. [2018-10-04 10:02:34,094 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 618 transitions. [2018-10-04 10:02:34,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:34,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:39,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 120 states and 646 transitions. [2018-10-04 10:02:39,189 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 646 transitions. [2018-10-04 10:02:39,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:39,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:40,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:43,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:43,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 123 states and 668 transitions. [2018-10-04 10:02:43,672 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 668 transitions. [2018-10-04 10:02:43,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:43,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:44,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:44,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 124 states and 673 transitions. [2018-10-04 10:02:44,492 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 673 transitions. [2018-10-04 10:02:44,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:44,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:44,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 125 states and 680 transitions. [2018-10-04 10:02:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 680 transitions. [2018-10-04 10:02:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:45,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:46,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:47,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:47,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 127 states and 705 transitions. [2018-10-04 10:02:47,920 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 705 transitions. [2018-10-04 10:02:47,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:47,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:51,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:51,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 130 states and 727 transitions. [2018-10-04 10:02:51,141 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 727 transitions. [2018-10-04 10:02:51,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:51,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:51,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:54,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 133 states and 753 transitions. [2018-10-04 10:02:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 753 transitions. [2018-10-04 10:02:54,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:54,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:55,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:55,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 135 states and 760 transitions. [2018-10-04 10:02:55,689 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 760 transitions. [2018-10-04 10:02:55,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:55,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:55,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:57,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:57,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 137 states and 779 transitions. [2018-10-04 10:02:57,405 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 779 transitions. [2018-10-04 10:02:57,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:57,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:57,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:02:58,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:58,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 138 states and 786 transitions. [2018-10-04 10:02:58,485 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 786 transitions. [2018-10-04 10:02:58,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:58,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:59,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:02,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:02,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 141 states and 808 transitions. [2018-10-04 10:03:02,893 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 808 transitions. [2018-10-04 10:03:02,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:03:02,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:02,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:03,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:03,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 142 states and 813 transitions. [2018-10-04 10:03:03,944 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 813 transitions. [2018-10-04 10:03:03,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:03,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:04,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:06,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:06,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 142 states and 812 transitions. [2018-10-04 10:03:06,863 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 812 transitions. [2018-10-04 10:03:06,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:06,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:07,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:10,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:10,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 143 states and 804 transitions. [2018-10-04 10:03:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 804 transitions. [2018-10-04 10:03:10,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:10,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:10,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:14,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:14,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 146 states and 831 transitions. [2018-10-04 10:03:14,895 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 831 transitions. [2018-10-04 10:03:14,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:14,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:14,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:16,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 147 states and 839 transitions. [2018-10-04 10:03:16,104 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 839 transitions. [2018-10-04 10:03:16,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:16,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:17,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:24,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 152 states and 880 transitions. [2018-10-04 10:03:24,082 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 880 transitions. [2018-10-04 10:03:24,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:24,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:24,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:29,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:29,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 157 states and 918 transitions. [2018-10-04 10:03:29,438 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 918 transitions. [2018-10-04 10:03:29,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:29,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:29,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:30,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:30,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 158 states and 938 transitions. [2018-10-04 10:03:30,669 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 938 transitions. [2018-10-04 10:03:30,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:30,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:30,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:31,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:31,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 159 states and 942 transitions. [2018-10-04 10:03:31,949 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 942 transitions. [2018-10-04 10:03:31,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:31,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:31,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:34,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:34,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 162 states and 974 transitions. [2018-10-04 10:03:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 974 transitions. [2018-10-04 10:03:34,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:34,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:35,199 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:38,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:38,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 164 states and 980 transitions. [2018-10-04 10:03:38,870 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 980 transitions. [2018-10-04 10:03:38,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:38,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:41,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:41,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 166 states and 983 transitions. [2018-10-04 10:03:41,932 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 983 transitions. [2018-10-04 10:03:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:41,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:41,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:44,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:44,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 168 states and 989 transitions. [2018-10-04 10:03:44,078 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 989 transitions. [2018-10-04 10:03:44,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:44,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:45,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 170 states and 995 transitions. [2018-10-04 10:03:45,846 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 995 transitions. [2018-10-04 10:03:45,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:45,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:46,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:49,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:49,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 170 states and 994 transitions. [2018-10-04 10:03:49,824 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 994 transitions. [2018-10-04 10:03:49,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:49,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:55,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:55,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 175 states and 1038 transitions. [2018-10-04 10:03:55,405 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 1038 transitions. [2018-10-04 10:03:55,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:55,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:56,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:03:59,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:59,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 177 states and 1045 transitions. [2018-10-04 10:03:59,612 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 1045 transitions. [2018-10-04 10:03:59,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:03:59,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:05,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:05,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 181 states and 1080 transitions. [2018-10-04 10:04:05,640 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 1080 transitions. [2018-10-04 10:04:05,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:04:05,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:06,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:11,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:11,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 182 states and 1109 transitions. [2018-10-04 10:04:11,920 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 1109 transitions. [2018-10-04 10:04:11,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:04:11,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:14,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:26,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:26,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 189 states and 1169 transitions. [2018-10-04 10:04:26,125 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 1169 transitions. [2018-10-04 10:04:26,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:04:26,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:26,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:30,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:30,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 192 states and 1225 transitions. [2018-10-04 10:04:30,494 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 1225 transitions. [2018-10-04 10:04:30,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:04:30,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:30,501 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 10:04:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:33,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 192 states and 1218 transitions. [2018-10-04 10:04:33,311 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 1218 transitions. [2018-10-04 10:04:33,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:04:33,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:33,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:34,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:34,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 193 states and 1241 transitions. [2018-10-04 10:04:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 1241 transitions. [2018-10-04 10:04:34,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:04:34,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:34,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:37,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:37,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 195 states and 1281 transitions. [2018-10-04 10:04:37,665 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 1281 transitions. [2018-10-04 10:04:37,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:04:37,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:43,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:43,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 197 states and 1280 transitions. [2018-10-04 10:04:43,445 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 1280 transitions. [2018-10-04 10:04:43,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:04:43,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:43,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 10:04:44,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:44,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 198 states and 1300 transitions. [2018-10-04 10:04:44,813 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 1300 transitions. [2018-10-04 10:04:44,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:04:44,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:44,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:47,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:47,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 200 states and 1306 transitions. [2018-10-04 10:04:47,368 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 1306 transitions. [2018-10-04 10:04:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:04:47,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:47,373 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:48,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:48,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 201 states and 1311 transitions. [2018-10-04 10:04:48,729 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 1311 transitions. [2018-10-04 10:04:48,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:04:48,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:48,735 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:50,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:50,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 202 states and 1316 transitions. [2018-10-04 10:04:50,009 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 1316 transitions. [2018-10-04 10:04:50,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:04:50,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:50,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 10:04:51,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:51,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 203 states and 1327 transitions. [2018-10-04 10:04:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 1327 transitions. [2018-10-04 10:04:51,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:04:51,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:54,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:54,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 203 states and 1325 transitions. [2018-10-04 10:04:54,419 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 1325 transitions. [2018-10-04 10:04:54,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:04:54,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:54,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 10:04:56,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:56,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 204 states and 1347 transitions. [2018-10-04 10:04:56,384 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 1347 transitions. [2018-10-04 10:04:56,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:04:56,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:56,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:57,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:57,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 205 states and 1356 transitions. [2018-10-04 10:04:57,772 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 1356 transitions. [2018-10-04 10:04:57,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:04:57,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:58,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:04:59,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 206 states and 1365 transitions. [2018-10-04 10:04:59,439 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 1365 transitions. [2018-10-04 10:04:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:04:59,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:01,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:12,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:12,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 213 states and 1423 transitions. [2018-10-04 10:05:12,131 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1423 transitions. [2018-10-04 10:05:12,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:05:12,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:14,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 218 states and 1460 transitions. [2018-10-04 10:05:23,930 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 1460 transitions. [2018-10-04 10:05:23,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:05:23,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:24,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:26,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 220 states and 1468 transitions. [2018-10-04 10:05:26,749 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 1468 transitions. [2018-10-04 10:05:26,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:05:26,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:30,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 222 states and 1473 transitions. [2018-10-04 10:05:30,103 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 1473 transitions. [2018-10-04 10:05:30,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:05:30,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:40,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:40,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 226 states and 1503 transitions. [2018-10-04 10:05:40,095 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 1503 transitions. [2018-10-04 10:05:40,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:05:40,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:41,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:41,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 227 states and 1511 transitions. [2018-10-04 10:05:41,833 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 1511 transitions. [2018-10-04 10:05:41,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:05:41,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:42,772 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:48,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:48,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 229 states and 1529 transitions. [2018-10-04 10:05:48,750 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 1529 transitions. [2018-10-04 10:05:48,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:05:48,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:48,794 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 233 states and 1564 transitions. [2018-10-04 10:05:55,125 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 1564 transitions. [2018-10-04 10:05:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:05:55,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:55,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:05:57,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:57,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 234 states and 1570 transitions. [2018-10-04 10:05:57,083 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1570 transitions. [2018-10-04 10:05:57,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:05:57,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-04 10:05:58,327 WARN L186 SmtUtils]: Removed 5 from assertion stack [2018-10-04 10:05:58,327 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-10-04 10:05:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:58,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:05:58,351 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-04 10:05:58,351 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 10:05:58,353 INFO L168 Benchmark]: Toolchain (without parser) took 259196.94 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 1.6 GB in the end (delta: -161.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-04 10:05:58,354 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. [2018-10-04 10:05:58,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.80 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. [2018-10-04 10:05:58,356 INFO L168 Benchmark]: Boogie Preprocessor took 20.62 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. [2018-10-04 10:05:58,356 INFO L168 Benchmark]: RCFGBuilder took 551.06 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. [2018-10-04 10:05:58,357 INFO L168 Benchmark]: CodeCheck took 258582.92 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 1.6 GB in the end (delta: -182.3 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-10-04 10:05:58,361 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 TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 1085 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 38.80 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 20.62 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 551.06 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 258582.92 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 1.6 GB in the end (delta: -182.3 MB). Peak memory consumption was 1.6 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_WithoutIf.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_10-05-58-375.csv Completed graceful shutdown