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_PUPT.epf -i ../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 10:04:29,014 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 10:04:29,016 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 10:04:29,033 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 10:04:29,033 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 10:04:29,035 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 10:04:29,036 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 10:04:29,039 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 10:04:29,041 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 10:04:29,043 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 10:04:29,044 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 10:04:29,046 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 10:04:29,047 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 10:04:29,048 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 10:04:29,049 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 10:04:29,056 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 10:04:29,057 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 10:04:29,062 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 10:04:29,066 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 10:04:29,069 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 10:04:29,070 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 10:04:29,072 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 10:04:29,078 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 10:04:29,078 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 10:04:29,079 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 10:04:29,081 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 10:04:29,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 10:04:29,084 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 10:04:29,085 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 10:04:29,089 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 10:04:29,089 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 10:04:29,090 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 10:04:29,091 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 10:04:29,091 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 10:04:29,093 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 10:04:29,094 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 10:04:29,094 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-03 10:04:29,119 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 10:04:29,119 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 10:04:29,121 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 10:04:29,121 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 10:04:29,122 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 10:04:29,122 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 10:04:29,123 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 10:04:29,123 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 10:04:29,123 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 10:04:29,123 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 10:04:29,123 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 10:04:29,124 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 10:04:29,124 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 10:04:29,124 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 10:04:29,124 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 10:04:29,125 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 10:04:29,126 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 10:04:29,126 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 10:04:29,126 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 10:04:29,127 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-03 10:04:29,128 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 10:04:29,128 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 10:04:29,128 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:04:29,128 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 10:04:29,128 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 10:04:29,129 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 10:04:29,129 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 10:04:29,129 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 10:04:29,129 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 10:04:29,129 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 10:04:29,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 10:04:29,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 10:04:29,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 10:04:29,219 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 10:04:29,220 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 10:04:29,221 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl [2018-10-03 10:04:29,221 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl' [2018-10-03 10:04:29,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 10:04:29,298 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 10:04:29,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 10:04:29,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 10:04:29,299 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 10:04:29,319 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 03.10 10:04:29" (1/1) ... [2018-10-03 10:04:29,332 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 03.10 10:04:29" (1/1) ... [2018-10-03 10:04:29,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 10:04:29,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 10:04:29,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 10:04:29,343 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 10:04:29,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:29" (1/1) ... [2018-10-03 10:04:29,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:29" (1/1) ... [2018-10-03 10:04:29,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:29" (1/1) ... [2018-10-03 10:04:29,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:29" (1/1) ... [2018-10-03 10:04:29,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:29" (1/1) ... [2018-10-03 10:04:29,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:29" (1/1) ... [2018-10-03 10:04:29,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:29" (1/1) ... [2018-10-03 10:04:29,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 10:04:29,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 10:04:29,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 10:04:29,367 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 10:04:29,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:04:29" (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 [2018-10-03 10:04:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure l1l0 [2018-10-03 10:04:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l0 [2018-10-03 10:04:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure l0l1 [2018-10-03 10:04:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l1 [2018-10-03 10:04:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure l0l0 [2018-10-03 10:04:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l0 [2018-10-03 10:04:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-03 10:04:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-03 10:04:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure l1l1 [2018-10-03 10:04:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l1 [2018-10-03 10:04:29,922 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-03 10:04:29,923 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:04:29 BoogieIcfgContainer [2018-10-03 10:04:29,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 10:04:29,924 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 10:04:29,924 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 10:04:29,935 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 10:04:29,936 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:04:29" (1/1) ... [2018-10-03 10:04:29,949 INFO L106 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-03 10:04:29,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:29,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-10-03 10:04:29,995 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-10-03 10:04:29,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-03 10:04:29,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:30,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:30,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:30,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-10-03 10:04:30,850 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-10-03 10:04:30,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-03 10:04:30,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:31,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:32,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:32,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-10-03 10:04:32,152 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-10-03 10:04:32,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:04:32,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:32,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:33,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:33,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2018-10-03 10:04:33,158 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2018-10-03 10:04:33,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:04:33,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:33,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:33,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:33,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2018-10-03 10:04:33,822 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2018-10-03 10:04:33,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:04:33,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-03 10:04:34,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:34,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 114 transitions. [2018-10-03 10:04:34,262 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2018-10-03 10:04:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:04:34,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:35,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:35,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 64 states and 129 transitions. [2018-10-03 10:04:35,317 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 129 transitions. [2018-10-03 10:04:35,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:04:35,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:35,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:35,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:35,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 132 transitions. [2018-10-03 10:04:35,776 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 132 transitions. [2018-10-03 10:04:35,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:04:35,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:35,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:36,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:36,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 67 states and 141 transitions. [2018-10-03 10:04:36,413 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 141 transitions. [2018-10-03 10:04:36,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:04:36,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:36,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:37,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 147 transitions. [2018-10-03 10:04:37,170 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 147 transitions. [2018-10-03 10:04:37,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:04:37,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:37,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-03 10:04:37,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:37,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 149 transitions. [2018-10-03 10:04:37,722 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 149 transitions. [2018-10-03 10:04:37,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:04:37,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:37,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:37,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:37,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 72 states and 149 transitions. [2018-10-03 10:04:37,939 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 149 transitions. [2018-10-03 10:04:37,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:04:37,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:38,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:39,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:39,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 158 transitions. [2018-10-03 10:04:39,080 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 158 transitions. [2018-10-03 10:04:39,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:04:39,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:39,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:40,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:40,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 83 states and 180 transitions. [2018-10-03 10:04:40,232 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 180 transitions. [2018-10-03 10:04:40,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:04:40,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:41,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:41,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 90 states and 205 transitions. [2018-10-03 10:04:41,576 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 205 transitions. [2018-10-03 10:04:41,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-03 10:04:41,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:41,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:43,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:43,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 96 states and 226 transitions. [2018-10-03 10:04:43,581 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 226 transitions. [2018-10-03 10:04:43,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-03 10:04:43,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:43,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:45,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:45,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 97 states and 230 transitions. [2018-10-03 10:04:45,151 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 230 transitions. [2018-10-03 10:04:45,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-03 10:04:45,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:45,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:46,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:46,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 100 states and 249 transitions. [2018-10-03 10:04:46,350 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 249 transitions. [2018-10-03 10:04:46,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-03 10:04:46,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:47,098 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:49,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:49,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 103 states and 261 transitions. [2018-10-03 10:04:49,252 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 261 transitions. [2018-10-03 10:04:49,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-03 10:04:49,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:49,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:50,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:50,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 105 states and 269 transitions. [2018-10-03 10:04:50,333 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 269 transitions. [2018-10-03 10:04:50,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-03 10:04:50,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:51,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:51,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 107 states and 274 transitions. [2018-10-03 10:04:51,742 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 274 transitions. [2018-10-03 10:04:51,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-03 10:04:51,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:51,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:52,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:52,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 111 states and 287 transitions. [2018-10-03 10:04:52,845 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 287 transitions. [2018-10-03 10:04:52,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:04:52,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:53,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:55,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 118 states and 312 transitions. [2018-10-03 10:04:55,271 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 312 transitions. [2018-10-03 10:04:55,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:04:55,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:55,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:56,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:56,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 119 states and 314 transitions. [2018-10-03 10:04:56,293 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 314 transitions. [2018-10-03 10:04:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:04:56,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:56,479 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:57,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:57,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 124 states and 330 transitions. [2018-10-03 10:04:57,891 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 330 transitions. [2018-10-03 10:04:57,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:04:57,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:04:58,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:04:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:04:59,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 131 states and 353 transitions. [2018-10-03 10:04:59,914 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 353 transitions. [2018-10-03 10:04:59,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:04:59,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:04:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:02,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:02,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 139 states and 373 transitions. [2018-10-03 10:05:02,334 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 373 transitions. [2018-10-03 10:05:02,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:05:02,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:02,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:02,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:02,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 140 states and 374 transitions. [2018-10-03 10:05:02,791 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 374 transitions. [2018-10-03 10:05:02,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:05:02,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:03,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:03,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 146 states and 391 transitions. [2018-10-03 10:05:03,771 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 391 transitions. [2018-10-03 10:05:03,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:05:03,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:04,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:04,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 149 states and 397 transitions. [2018-10-03 10:05:04,587 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 397 transitions. [2018-10-03 10:05:04,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:05:04,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:04,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:05,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:05,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 150 states and 398 transitions. [2018-10-03 10:05:05,192 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 398 transitions. [2018-10-03 10:05:05,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:05:05,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:05,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-03 10:05:05,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:05,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 151 states and 401 transitions. [2018-10-03 10:05:05,814 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 401 transitions. [2018-10-03 10:05:05,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:05:05,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:06,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:07,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 157 states and 419 transitions. [2018-10-03 10:05:07,609 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 419 transitions. [2018-10-03 10:05:07,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:05:07,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:07,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:08,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:08,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 158 states and 420 transitions. [2018-10-03 10:05:08,166 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 420 transitions. [2018-10-03 10:05:08,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:05:08,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:08,468 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:10,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:10,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 163 states and 435 transitions. [2018-10-03 10:05:10,216 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 435 transitions. [2018-10-03 10:05:10,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:05:10,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:10,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-03 10:05:10,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:10,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 165 states and 438 transitions. [2018-10-03 10:05:10,950 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 438 transitions. [2018-10-03 10:05:10,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:05:10,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:10,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:11,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 168 states and 450 transitions. [2018-10-03 10:05:11,895 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 450 transitions. [2018-10-03 10:05:11,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:05:11,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:12,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:14,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 174 states and 465 transitions. [2018-10-03 10:05:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 465 transitions. [2018-10-03 10:05:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:05:14,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:14,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:16,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 177 states and 477 transitions. [2018-10-03 10:05:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 477 transitions. [2018-10-03 10:05:16,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:05:16,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:16,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 178 states and 480 transitions. [2018-10-03 10:05:16,981 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 480 transitions. [2018-10-03 10:05:16,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:05:16,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:17,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:17,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:17,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 180 states and 481 transitions. [2018-10-03 10:05:17,776 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 481 transitions. [2018-10-03 10:05:17,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:05:17,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:18,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:19,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 181 states and 486 transitions. [2018-10-03 10:05:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 486 transitions. [2018-10-03 10:05:19,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-03 10:05:19,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:19,361 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:20,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:20,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 183 states and 494 transitions. [2018-10-03 10:05:20,437 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 494 transitions. [2018-10-03 10:05:20,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:05:20,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:21,039 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-03 10:05:22,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:22,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 186 states and 503 transitions. [2018-10-03 10:05:22,988 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 503 transitions. [2018-10-03 10:05:22,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:05:22,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:23,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-03 10:05:23,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:23,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 186 states and 502 transitions. [2018-10-03 10:05:23,995 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 502 transitions. [2018-10-03 10:05:23,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:05:23,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:24,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-03 10:05:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:24,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 186 states and 501 transitions. [2018-10-03 10:05:24,944 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 501 transitions. [2018-10-03 10:05:24,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-03 10:05:24,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:25,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:25,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 188 states and 509 transitions. [2018-10-03 10:05:25,999 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 509 transitions. [2018-10-03 10:05:26,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:05:26,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:26,118 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-03 10:05:28,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:28,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 191 states and 518 transitions. [2018-10-03 10:05:28,126 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 518 transitions. [2018-10-03 10:05:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:05:28,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:28,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:32,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:32,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 195 states and 540 transitions. [2018-10-03 10:05:32,519 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 540 transitions. [2018-10-03 10:05:32,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:05:32,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:32,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:37,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:37,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 201 states and 571 transitions. [2018-10-03 10:05:37,323 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 571 transitions. [2018-10-03 10:05:37,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:05:37,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:39,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:39,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 204 states and 578 transitions. [2018-10-03 10:05:39,459 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 578 transitions. [2018-10-03 10:05:39,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:05:39,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:39,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:41,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:41,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 205 states and 585 transitions. [2018-10-03 10:05:41,145 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 585 transitions. [2018-10-03 10:05:41,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:05:41,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:41,196 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:43,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:43,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 206 states and 591 transitions. [2018-10-03 10:05:43,332 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 591 transitions. [2018-10-03 10:05:43,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:05:43,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:45,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:45,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 211 states and 606 transitions. [2018-10-03 10:05:45,099 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 606 transitions. [2018-10-03 10:05:45,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:05:45,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:46,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:48,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:48,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 217 states and 626 transitions. [2018-10-03 10:05:48,216 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 626 transitions. [2018-10-03 10:05:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:05:48,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:48,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:53,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:53,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 221 states and 648 transitions. [2018-10-03 10:05:53,559 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 648 transitions. [2018-10-03 10:05:53,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:05:53,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:53,610 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:56,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:56,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 225 states and 670 transitions. [2018-10-03 10:05:56,625 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 670 transitions. [2018-10-03 10:05:56,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:05:56,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:05:56,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:05:59,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:05:59,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 229 states and 685 transitions. [2018-10-03 10:05:59,853 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 685 transitions. [2018-10-03 10:05:59,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:05:59,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:05:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:00,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:02,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:02,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 232 states and 697 transitions. [2018-10-03 10:06:02,667 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 697 transitions. [2018-10-03 10:06:02,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:06:02,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:03,007 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:03,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:03,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 233 states and 698 transitions. [2018-10-03 10:06:03,946 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 698 transitions. [2018-10-03 10:06:03,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:06:03,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:04,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:05,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:05,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 235 states and 706 transitions. [2018-10-03 10:06:05,539 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 706 transitions. [2018-10-03 10:06:05,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:06:05,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:05,702 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:06,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:06,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 236 states and 710 transitions. [2018-10-03 10:06:06,731 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 710 transitions. [2018-10-03 10:06:06,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:06:06,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:06,771 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-03 10:06:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:07,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 237 states and 710 transitions. [2018-10-03 10:06:07,755 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 710 transitions. [2018-10-03 10:06:07,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:06:07,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:07,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:12,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:12,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 243 states and 731 transitions. [2018-10-03 10:06:12,099 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 731 transitions. [2018-10-03 10:06:12,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:06:12,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:12,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:13,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:13,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 245 states and 737 transitions. [2018-10-03 10:06:13,714 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 737 transitions. [2018-10-03 10:06:13,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:06:13,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:16,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:16,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 249 states and 756 transitions. [2018-10-03 10:06:16,246 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 756 transitions. [2018-10-03 10:06:16,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:06:16,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:16,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:18,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:18,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 252 states and 769 transitions. [2018-10-03 10:06:18,017 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 769 transitions. [2018-10-03 10:06:18,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:06:18,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:18,235 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:21,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:21,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 254 states and 775 transitions. [2018-10-03 10:06:21,138 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 775 transitions. [2018-10-03 10:06:21,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:06:21,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:21,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:25,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:25,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 260 states and 802 transitions. [2018-10-03 10:06:25,996 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 802 transitions. [2018-10-03 10:06:25,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:06:25,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:33,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:33,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 269 states and 845 transitions. [2018-10-03 10:06:33,904 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 845 transitions. [2018-10-03 10:06:33,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:06:33,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:33,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:35,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:35,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 270 states and 853 transitions. [2018-10-03 10:06:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 853 transitions. [2018-10-03 10:06:35,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:06:35,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:36,219 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:45,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:45,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 282 states and 911 transitions. [2018-10-03 10:06:45,663 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 911 transitions. [2018-10-03 10:06:45,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:06:45,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:46,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:55,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:55,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 290 states and 946 transitions. [2018-10-03 10:06:55,707 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 946 transitions. [2018-10-03 10:06:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:06:55,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:55,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:06:57,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:06:57,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 291 states and 953 transitions. [2018-10-03 10:06:57,268 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 953 transitions. [2018-10-03 10:06:57,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:06:57,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:06:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:06:57,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:00,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:00,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 295 states and 985 transitions. [2018-10-03 10:07:00,398 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 985 transitions. [2018-10-03 10:07:00,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:07:00,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:00,423 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:02,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 297 states and 1001 transitions. [2018-10-03 10:07:02,281 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 1001 transitions. [2018-10-03 10:07:02,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:07:02,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:02,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:05,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:05,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 300 states and 1014 transitions. [2018-10-03 10:07:05,426 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1014 transitions. [2018-10-03 10:07:05,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:07:05,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:09,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:09,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 303 states and 1025 transitions. [2018-10-03 10:07:09,092 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1025 transitions. [2018-10-03 10:07:09,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:07:09,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:09,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:09,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 304 states and 1027 transitions. [2018-10-03 10:07:09,972 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1027 transitions. [2018-10-03 10:07:09,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:07:09,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-03 10:07:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:11,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 305 states and 1027 transitions. [2018-10-03 10:07:11,266 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1027 transitions. [2018-10-03 10:07:11,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:07:11,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:11,504 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:18,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:18,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 309 states and 1049 transitions. [2018-10-03 10:07:18,423 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 1049 transitions. [2018-10-03 10:07:18,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:07:18,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:18,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:26,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:27,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 317 states and 1088 transitions. [2018-10-03 10:07:27,001 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 1088 transitions. [2018-10-03 10:07:27,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:07:27,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:27,048 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:28,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:28,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 318 states and 1091 transitions. [2018-10-03 10:07:28,413 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 1091 transitions. [2018-10-03 10:07:28,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:07:28,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:28,730 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:32,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:32,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 319 states and 1095 transitions. [2018-10-03 10:07:32,559 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1095 transitions. [2018-10-03 10:07:32,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:07:32,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:35,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:35,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 321 states and 1098 transitions. [2018-10-03 10:07:35,081 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1098 transitions. [2018-10-03 10:07:35,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:07:35,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:35,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:40,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:40,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 325 states and 1116 transitions. [2018-10-03 10:07:40,943 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 1116 transitions. [2018-10-03 10:07:40,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:07:40,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:40,996 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:43,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:43,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 327 states and 1120 transitions. [2018-10-03 10:07:43,341 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 1120 transitions. [2018-10-03 10:07:43,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:07:43,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:44,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:54,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 336 states and 1167 transitions. [2018-10-03 10:07:54,865 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1167 transitions. [2018-10-03 10:07:54,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:07:54,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:54,917 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:57,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:57,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 338 states and 1180 transitions. [2018-10-03 10:07:57,520 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 1180 transitions. [2018-10-03 10:07:57,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:07:57,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:57,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:07:59,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:07:59,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 338 states and 1177 transitions. [2018-10-03 10:07:59,187 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 1177 transitions. [2018-10-03 10:07:59,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:07:59,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:07:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:07:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:08:04,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:04,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 341 states and 1192 transitions. [2018-10-03 10:08:04,219 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 1192 transitions. [2018-10-03 10:08:04,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:08:04,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:04,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:08:08,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:08,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 343 states and 1196 transitions. [2018-10-03 10:08:08,663 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 1196 transitions. [2018-10-03 10:08:08,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:08:08,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:08,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:08:11,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 345 states and 1206 transitions. [2018-10-03 10:08:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 1206 transitions. [2018-10-03 10:08:11,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:08:11,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:11,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:08:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:15,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 346 states and 1207 transitions. [2018-10-03 10:08:15,036 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 1207 transitions. [2018-10-03 10:08:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:08:15,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:16,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:08:22,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:22,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 352 states and 1243 transitions. [2018-10-03 10:08:22,798 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 1243 transitions. [2018-10-03 10:08:22,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:08:22,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:08:24,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 353 states and 1243 transitions. [2018-10-03 10:08:24,525 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1243 transitions. [2018-10-03 10:08:24,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:08:24,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:25,605 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:08:38,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:38,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 363 states and 1289 transitions. [2018-10-03 10:08:38,183 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1289 transitions. [2018-10-03 10:08:38,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:08:38,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:38,215 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-03 10:08:41,497 INFO L760 CodeCheckObserver]: 0 DeclaredPredicates, 22629 GetRequests, 17617 SyntacticMatches, 3752 SemanticMatches, 1260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 240.3s Time 183.3s impTime 339 [2018-10-03 10:08:41,499 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.10 10:08:41 ImpRootNode [2018-10-03 10:08:41,499 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-03 10:08:41,500 INFO L168 Benchmark]: Toolchain (without parser) took 252205.95 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -45.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 331.1 MB). Peak memory consumption was 286.0 MB. Max. memory is 7.1 GB. [2018-10-03 10:08:41,502 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 10:08:41,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.14 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. [2018-10-03 10:08:41,503 INFO L168 Benchmark]: Boogie Preprocessor took 23.56 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. [2018-10-03 10:08:41,503 INFO L168 Benchmark]: RCFGBuilder took 556.39 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. [2018-10-03 10:08:41,504 INFO L168 Benchmark]: CodeCheck took 251575.73 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -45.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 310.0 MB). Peak memory consumption was 264.9 MB. Max. memory is 7.1 GB. [2018-10-03 10:08:41,507 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 66]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 66) - TimeoutResultAtElement [Line: 99]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 99) - TimeoutResultAtElement [Line: 121]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 121) - TimeoutResultAtElement [Line: 112]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 112) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 5 procedures, 48 locations, 4 error locations. UNKNOWN Result, 251.5s OverallTime, 97 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -736342152 SDtfs, -789133408 SDslu, 0 SDs, 0 SdLazy, -2101570 SolverSat, -1342779254 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 309.4s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 22.2s InterpolantComputationTime, 1487 NumberOfCodeBlocks, 1487 NumberOfCodeBlocksAsserted, 97 NumberOfCheckSat, 1390 ConstructedInterpolants, 0 QuantifiedInterpolants, 92650 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 97 InterpolantComputations, 15 PerfectInterpolantSequences, 54/351 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - GenericResult: Unable to decide if program is safe! Unable to decide if program is safe! * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.14 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 23.56 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 556.39 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 251575.73 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -45.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 310.0 MB). Peak memory consumption was 264.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product_WithProcedures.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-03_10-08-41-519.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product_WithProcedures.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-03_10-08-41-519.csv Completed graceful shutdown