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 0.1.23-9f4048f [2018-10-04 13:07:20,094 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:07:20,098 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:07:20,116 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:07:20,116 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:07:20,117 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:07:20,119 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:07:20,120 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:07:20,122 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:07:20,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:07:20,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:07:20,126 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:07:20,127 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:07:20,128 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:07:20,130 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:07:20,130 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:07:20,131 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:07:20,133 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:07:20,135 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:07:20,136 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:07:20,138 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:07:20,139 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:07:20,141 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:07:20,141 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:07:20,142 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:07:20,143 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:07:20,144 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:07:20,144 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:07:20,145 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:07:20,146 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:07:20,146 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:07:20,147 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:07:20,147 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:07:20,148 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:07:20,149 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:07:20,149 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:07:20,150 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 13:07:20,168 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:07:20,168 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:07:20,169 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:07:20,169 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:07:20,170 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:07:20,170 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:07:20,170 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:07:20,170 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:07:20,171 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:07:20,171 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:07:20,171 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:07:20,171 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:07:20,171 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:07:20,172 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:07:20,172 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:07:20,172 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:07:20,172 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:07:20,172 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:07:20,172 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:07:20,173 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:07:20,173 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:07:20,173 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:07:20,173 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:07:20,173 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:07:20,174 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:07:20,174 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:07:20,174 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:07:20,174 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:07:20,174 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:07:20,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:07:20,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:07:20,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:07:20,251 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:07:20,252 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:07:20,253 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl [2018-10-04 13:07:20,253 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl' [2018-10-04 13:07:20,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:07:20,308 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:07:20,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:07:20,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:07:20,309 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:07:20,329 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 04.10 01:07:20" (1/1) ... [2018-10-04 13:07:20,342 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 04.10 01:07:20" (1/1) ... [2018-10-04 13:07:20,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:07:20,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:07:20,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:07:20,352 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:07:20,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:20" (1/1) ... [2018-10-04 13:07:20,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:20" (1/1) ... [2018-10-04 13:07:20,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:20" (1/1) ... [2018-10-04 13:07:20,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:20" (1/1) ... [2018-10-04 13:07:20,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:20" (1/1) ... [2018-10-04 13:07:20,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:20" (1/1) ... [2018-10-04 13:07:20,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:20" (1/1) ... [2018-10-04 13:07:20,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:07:20,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:07:20,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:07:20,375 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:07:20,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:07:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:07:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure l1l0 [2018-10-04 13:07:20,454 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l0 [2018-10-04 13:07:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure l0l1 [2018-10-04 13:07:20,454 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l1 [2018-10-04 13:07:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure l0l0 [2018-10-04 13:07:20,455 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l0 [2018-10-04 13:07:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 13:07:20,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 13:07:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure l1l1 [2018-10-04 13:07:20,455 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l1 [2018-10-04 13:07:21,120 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 13:07:21,121 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:07:21 BoogieIcfgContainer [2018-10-04 13:07:21,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:07:21,122 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:07:21,122 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:07:21,133 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:07:21,134 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:07:21" (1/1) ... [2018-10-04 13:07:21,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:07:21,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:21,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-10-04 13:07:21,184 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-10-04 13:07:21,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:07:21,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:21,433 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 13:07:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-10-04 13:07:21,872 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-10-04 13:07:21,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:07:21,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:22,056 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 13:07:22,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:22,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-10-04 13:07:22,924 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-10-04 13:07:22,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:07:22,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:23,163 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 13:07:23,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:23,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2018-10-04 13:07:23,840 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2018-10-04 13:07:23,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:07:23,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:23,883 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 13:07:24,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:24,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2018-10-04 13:07:24,085 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2018-10-04 13:07:24,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:07:24,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:24,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 13:07:24,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:24,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 114 transitions. [2018-10-04 13:07:24,156 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2018-10-04 13:07:24,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:07:24,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:24,236 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 13:07:24,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:24,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 118 transitions. [2018-10-04 13:07:24,280 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 118 transitions. [2018-10-04 13:07:24,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:07:24,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:24,420 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 13:07:25,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:25,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 132 transitions. [2018-10-04 13:07:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 132 transitions. [2018-10-04 13:07:25,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:07:25,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:25,466 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 13:07:25,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:25,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 67 states and 140 transitions. [2018-10-04 13:07:25,751 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 140 transitions. [2018-10-04 13:07:25,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:07:25,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:25,778 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 13:07:26,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:26,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 147 transitions. [2018-10-04 13:07:26,057 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 147 transitions. [2018-10-04 13:07:26,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:07:26,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:26,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 13:07:26,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:26,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 149 transitions. [2018-10-04 13:07:26,133 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 149 transitions. [2018-10-04 13:07:26,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:07:26,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:26,178 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 13:07:27,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:27,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 75 states and 161 transitions. [2018-10-04 13:07:27,202 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 161 transitions. [2018-10-04 13:07:27,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:07:27,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:27,267 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 13:07:27,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:27,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 76 states and 161 transitions. [2018-10-04 13:07:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 161 transitions. [2018-10-04 13:07:27,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:07:27,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:27,445 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 13:07:29,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 83 states and 185 transitions. [2018-10-04 13:07:29,459 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 185 transitions. [2018-10-04 13:07:29,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:07:29,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:29,614 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 13:07:31,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:31,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 90 states and 208 transitions. [2018-10-04 13:07:31,676 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 208 transitions. [2018-10-04 13:07:31,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:07:31,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:31,846 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 13:07:33,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:33,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 96 states and 229 transitions. [2018-10-04 13:07:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 229 transitions. [2018-10-04 13:07:33,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:07:33,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:34,261 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:35,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:35,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 99 states and 243 transitions. [2018-10-04 13:07:35,645 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 243 transitions. [2018-10-04 13:07:35,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:07:35,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:35,863 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 13:07:36,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:36,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 100 states and 246 transitions. [2018-10-04 13:07:36,220 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 246 transitions. [2018-10-04 13:07:36,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:07:36,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:36,316 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 13:07:36,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:36,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 102 states and 252 transitions. [2018-10-04 13:07:36,821 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 252 transitions. [2018-10-04 13:07:36,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:07:36,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:36,844 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 13:07:37,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:37,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 104 states and 258 transitions. [2018-10-04 13:07:37,519 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 258 transitions. [2018-10-04 13:07:37,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:07:37,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:37,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-04 13:07:37,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:37,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 105 states and 258 transitions. [2018-10-04 13:07:37,832 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 258 transitions. [2018-10-04 13:07:37,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:07:37,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:37,854 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 13:07:38,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:38,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 109 states and 272 transitions. [2018-10-04 13:07:38,603 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 272 transitions. [2018-10-04 13:07:38,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:38,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:38,918 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 13:07:40,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 116 states and 296 transitions. [2018-10-04 13:07:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 296 transitions. [2018-10-04 13:07:40,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:40,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:41,158 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 13:07:41,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:41,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 117 states and 298 transitions. [2018-10-04 13:07:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 298 transitions. [2018-10-04 13:07:41,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:41,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:41,442 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 13:07:42,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:42,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 122 states and 313 transitions. [2018-10-04 13:07:42,765 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 313 transitions. [2018-10-04 13:07:42,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:42,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:43,009 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 13:07:44,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:44,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 130 states and 333 transitions. [2018-10-04 13:07:44,799 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 333 transitions. [2018-10-04 13:07:44,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:44,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:44,957 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 13:07:46,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:46,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 137 states and 355 transitions. [2018-10-04 13:07:46,471 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 355 transitions. [2018-10-04 13:07:46,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:46,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:46,488 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 13:07:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:46,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 138 states and 355 transitions. [2018-10-04 13:07:46,572 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 355 transitions. [2018-10-04 13:07:46,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:46,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:46,862 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 13:07:47,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:47,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 141 states and 359 transitions. [2018-10-04 13:07:47,130 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 359 transitions. [2018-10-04 13:07:47,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:47,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:47,269 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 13:07:48,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:48,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 147 states and 374 transitions. [2018-10-04 13:07:48,389 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 374 transitions. [2018-10-04 13:07:48,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:48,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:48,522 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 13:07:48,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:48,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 148 states and 374 transitions. [2018-10-04 13:07:48,540 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 374 transitions. [2018-10-04 13:07:48,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:48,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:48,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 13:07:48,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:48,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 149 states and 377 transitions. [2018-10-04 13:07:48,980 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 377 transitions. [2018-10-04 13:07:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:48,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:49,148 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 13:07:51,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:51,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 155 states and 395 transitions. [2018-10-04 13:07:51,117 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 395 transitions. [2018-10-04 13:07:51,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:51,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:51,315 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 13:07:52,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:52,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 160 states and 412 transitions. [2018-10-04 13:07:52,892 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 412 transitions. [2018-10-04 13:07:52,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:52,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:53,118 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 13:07:53,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:53,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 161 states and 413 transitions. [2018-10-04 13:07:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 413 transitions. [2018-10-04 13:07:53,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:53,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:53,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 13:07:53,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:53,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 163 states and 416 transitions. [2018-10-04 13:07:53,664 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 416 transitions. [2018-10-04 13:07:53,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:53,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:53,821 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 13:07:54,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:54,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 166 states and 431 transitions. [2018-10-04 13:07:54,958 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 431 transitions. [2018-10-04 13:07:54,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:54,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:55,009 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 13:07:56,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:56,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 171 states and 445 transitions. [2018-10-04 13:07:56,293 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 445 transitions. [2018-10-04 13:07:56,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:56,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:56,703 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 13:07:58,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:58,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 175 states and 453 transitions. [2018-10-04 13:07:58,553 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 453 transitions. [2018-10-04 13:07:58,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:58,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:58,659 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 13:07:59,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:59,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 177 states and 462 transitions. [2018-10-04 13:07:59,442 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 462 transitions. [2018-10-04 13:07:59,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:59,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:59,708 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 13:08:00,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:00,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 178 states and 467 transitions. [2018-10-04 13:08:00,160 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 467 transitions. [2018-10-04 13:08:00,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:08:00,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:00,259 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:01,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:01,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 180 states and 475 transitions. [2018-10-04 13:08:01,306 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 475 transitions. [2018-10-04 13:08:01,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:08:01,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-04 13:08:03,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 183 states and 484 transitions. [2018-10-04 13:08:03,390 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 484 transitions. [2018-10-04 13:08:03,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:08:03,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-04 13:08:04,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:04,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 183 states and 483 transitions. [2018-10-04 13:08:04,395 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 483 transitions. [2018-10-04 13:08:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:08:04,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:04,408 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-04 13:08:04,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:04,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 183 states and 482 transitions. [2018-10-04 13:08:04,904 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 482 transitions. [2018-10-04 13:08:04,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:08:04,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:04,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:05,002 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 185 states and 490 transitions. [2018-10-04 13:08:05,917 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 490 transitions. [2018-10-04 13:08:05,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:08:05,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:05,931 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-04 13:08:08,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:08,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 188 states and 499 transitions. [2018-10-04 13:08:08,062 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 499 transitions. [2018-10-04 13:08:08,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:08:08,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:08,854 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 13:08:12,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:12,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 192 states and 521 transitions. [2018-10-04 13:08:12,996 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 521 transitions. [2018-10-04 13:08:12,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:08:12,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:13,342 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:16,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:16,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 196 states and 544 transitions. [2018-10-04 13:08:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 544 transitions. [2018-10-04 13:08:16,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:08:16,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:16,973 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 13:08:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 202 states and 570 transitions. [2018-10-04 13:08:21,984 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 570 transitions. [2018-10-04 13:08:21,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:08:21,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:22,076 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:23,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 205 states and 584 transitions. [2018-10-04 13:08:23,776 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 584 transitions. [2018-10-04 13:08:23,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:08:23,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:24,081 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 13:08:26,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 208 states and 591 transitions. [2018-10-04 13:08:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 591 transitions. [2018-10-04 13:08:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:08:26,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:26,546 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 13:08:27,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:27,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 213 states and 606 transitions. [2018-10-04 13:08:27,539 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 606 transitions. [2018-10-04 13:08:27,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:08:27,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:27,822 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 13:08:29,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:29,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 219 states and 626 transitions. [2018-10-04 13:08:29,722 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 626 transitions. [2018-10-04 13:08:29,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:08:29,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:30,554 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 13:08:35,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:35,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 223 states and 648 transitions. [2018-10-04 13:08:35,831 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 648 transitions. [2018-10-04 13:08:35,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:08:35,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:35,889 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:38,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:38,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 227 states and 671 transitions. [2018-10-04 13:08:38,958 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 671 transitions. [2018-10-04 13:08:38,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:08:38,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:39,269 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 13:08:42,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:42,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 231 states and 686 transitions. [2018-10-04 13:08:42,925 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 686 transitions. [2018-10-04 13:08:42,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:08:42,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:44,310 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 13:08:48,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:48,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 236 states and 706 transitions. [2018-10-04 13:08:48,122 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 706 transitions. [2018-10-04 13:08:48,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:08:48,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:48,380 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 13:08:49,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:49,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 238 states and 711 transitions. [2018-10-04 13:08:49,865 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 711 transitions. [2018-10-04 13:08:49,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:08:49,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:53,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:53,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 242 states and 730 transitions. [2018-10-04 13:08:53,478 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 730 transitions. [2018-10-04 13:08:53,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:08:53,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:53,956 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 13:08:56,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:56,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 246 states and 751 transitions. [2018-10-04 13:08:56,310 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 751 transitions. [2018-10-04 13:08:56,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:08:56,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:56,458 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 13:08:58,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 249 states and 765 transitions. [2018-10-04 13:08:58,012 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 765 transitions. [2018-10-04 13:08:58,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:08:58,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:58,405 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 250 states and 769 transitions. [2018-10-04 13:09:01,435 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 769 transitions. [2018-10-04 13:09:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:09:01,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:02,443 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 13:09:09,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:09,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 259 states and 816 transitions. [2018-10-04 13:09:09,661 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 816 transitions. [2018-10-04 13:09:09,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:09:09,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:09,805 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 13:09:10,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:10,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 260 states and 822 transitions. [2018-10-04 13:09:10,526 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 822 transitions. [2018-10-04 13:09:10,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:09:10,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:21,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:21,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 272 states and 876 transitions. [2018-10-04 13:09:21,316 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 876 transitions. [2018-10-04 13:09:21,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:09:21,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:21,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:27,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 278 states and 904 transitions. [2018-10-04 13:09:27,700 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 904 transitions. [2018-10-04 13:09:27,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:09:27,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:27,775 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:30,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:30,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 281 states and 922 transitions. [2018-10-04 13:09:30,324 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 922 transitions. [2018-10-04 13:09:30,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:09:30,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:30,376 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 13:09:31,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:31,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 282 states and 929 transitions. [2018-10-04 13:09:31,273 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 929 transitions. [2018-10-04 13:09:31,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:09:31,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:31,324 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 13:09:34,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:34,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 286 states and 959 transitions. [2018-10-04 13:09:34,347 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 959 transitions. [2018-10-04 13:09:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:09:34,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:34,887 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 13:09:37,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:37,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 289 states and 974 transitions. [2018-10-04 13:09:37,195 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 974 transitions. [2018-10-04 13:09:37,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:09:37,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:37,342 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 13:09:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:40,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 292 states and 990 transitions. [2018-10-04 13:09:40,003 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 990 transitions. [2018-10-04 13:09:40,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:09:40,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:40,047 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:41,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 294 states and 999 transitions. [2018-10-04 13:09:41,631 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 999 transitions. [2018-10-04 13:09:41,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:09:41,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:41,737 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 13:09:41,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:41,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 295 states and 1000 transitions. [2018-10-04 13:09:41,781 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 1000 transitions. [2018-10-04 13:09:41,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:09:41,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:41,868 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-04 13:09:42,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:42,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 296 states and 1000 transitions. [2018-10-04 13:09:42,717 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 1000 transitions. [2018-10-04 13:09:42,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:09:42,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:42,815 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 13:09:51,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:51,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 304 states and 1046 transitions. [2018-10-04 13:09:51,169 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1046 transitions. [2018-10-04 13:09:51,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:09:51,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:51,638 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:57,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:57,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 308 states and 1065 transitions. [2018-10-04 13:09:57,572 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 1065 transitions. [2018-10-04 13:09:57,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:09:57,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:57,872 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 13:10:00,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:00,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 310 states and 1070 transitions. [2018-10-04 13:10:00,273 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1070 transitions. [2018-10-04 13:10:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:10:00,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:00,322 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 13:10:03,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:03,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1084 states to 313 states and 1084 transitions. [2018-10-04 13:10:03,421 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1084 transitions. [2018-10-04 13:10:03,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:10:03,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:03,481 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 13:10:04,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:04,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 314 states and 1086 transitions. [2018-10-04 13:10:04,822 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1086 transitions. [2018-10-04 13:10:04,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:10:04,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:09,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:09,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 315 states and 1090 transitions. [2018-10-04 13:10:09,473 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1090 transitions. [2018-10-04 13:10:09,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:10:09,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:09,509 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:11,573 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-04 13:10:11,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:11,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 317 states and 1094 transitions. [2018-10-04 13:10:11,988 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 1094 transitions. [2018-10-04 13:10:11,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:10:11,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:12,418 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 13:10:19,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:19,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 323 states and 1122 transitions. [2018-10-04 13:10:19,623 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 1122 transitions. [2018-10-04 13:10:19,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:10:19,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:19,980 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 13:10:27,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:27,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 329 states and 1158 transitions. [2018-10-04 13:10:27,466 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 1158 transitions. [2018-10-04 13:10:27,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:10:27,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:28,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:37,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:37,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 336 states and 1202 transitions. [2018-10-04 13:10:37,358 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1202 transitions. [2018-10-04 13:10:37,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:10:37,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:37,446 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:39,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:39,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 338 states and 1206 transitions. [2018-10-04 13:10:39,968 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 1206 transitions. [2018-10-04 13:10:39,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:10:39,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:39,984 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 13:10:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:43,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 340 states and 1215 transitions. [2018-10-04 13:10:43,695 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 1215 transitions. [2018-10-04 13:10:43,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:10:43,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:45,433 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:56,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:56,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 348 states and 1243 transitions. [2018-10-04 13:10:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 1243 transitions. [2018-10-04 13:10:56,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:10:56,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:56,544 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 13:11:02,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:02,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 352 states and 1267 transitions. [2018-10-04 13:11:02,144 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 1267 transitions. [2018-10-04 13:11:02,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:11:02,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:03,203 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 13:11:11,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:11,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 358 states and 1303 transitions. [2018-10-04 13:11:11,189 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 1303 transitions. [2018-10-04 13:11:11,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:11:11,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:11,220 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:11:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:12,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 359 states and 1317 transitions. [2018-10-04 13:11:12,561 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 1317 transitions. [2018-10-04 13:11:12,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:11:12,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:12,788 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 13:11:15,719 WARN L178 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2018-10-04 13:11:20,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:20,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 362 states and 1334 transitions. [2018-10-04 13:11:20,125 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 1334 transitions. [2018-10-04 13:11:20,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:11:20,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:20,391 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 13:11:21,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:21,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 363 states and 1336 transitions. [2018-10-04 13:11:21,198 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1336 transitions. [2018-10-04 13:11:21,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:11:21,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:21,282 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 13:11:25,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:25,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 368 states and 1365 transitions. [2018-10-04 13:11:25,415 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 1365 transitions. [2018-10-04 13:11:25,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:11:25,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:25,438 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:11:28,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:28,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 370 states and 1382 transitions. [2018-10-04 13:11:28,437 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1382 transitions. [2018-10-04 13:11:28,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:11:28,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-04 13:11:30,054 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 13:11:30,056 INFO L168 Benchmark]: Toolchain (without parser) took 249748.83 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: -436.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-04 13:11:30,058 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:11:30,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.13 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:11:30,059 INFO L168 Benchmark]: Boogie Preprocessor took 22.33 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:11:30,060 INFO L168 Benchmark]: RCFGBuilder took 747.01 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 13:11:30,060 INFO L168 Benchmark]: CodeCheck took 248933.42 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: -457.5 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2018-10-04 13:11:30,065 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 1222 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.13 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.33 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 747.01 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 248933.42 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: -457.5 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-0-2018-10-04_13-11-30-077.csv Completed graceful shutdown