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.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 03:03:54,030 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 03:03:54,033 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 03:03:54,045 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 03:03:54,045 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 03:03:54,046 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 03:03:54,047 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 03:03:54,049 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 03:03:54,051 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 03:03:54,052 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 03:03:54,053 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 03:03:54,053 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 03:03:54,054 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 03:03:54,055 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 03:03:54,056 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 03:03:54,057 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 03:03:54,058 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 03:03:54,060 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 03:03:54,062 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 03:03:54,063 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 03:03:54,064 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 03:03:54,066 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 03:03:54,068 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 03:03:54,068 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 03:03:54,069 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 03:03:54,069 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 03:03:54,071 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 03:03:54,071 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 03:03:54,072 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 03:03:54,073 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 03:03:54,074 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 03:03:54,074 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 03:03:54,075 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 03:03:54,075 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 03:03:54,076 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 03:03:54,077 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 03:03:54,077 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 [2018-10-01 03:03:54,092 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 03:03:54,092 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 03:03:54,093 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 03:03:54,093 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 03:03:54,094 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 03:03:54,094 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 03:03:54,094 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 03:03:54,095 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 03:03:54,095 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 03:03:54,095 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 03:03:54,095 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 03:03:54,095 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 03:03:54,096 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 03:03:54,096 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 03:03:54,096 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 03:03:54,096 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 03:03:54,096 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 03:03:54,097 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 03:03:54,097 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 03:03:54,097 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 03:03:54,097 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 03:03:54,097 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 03:03:54,098 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 03:03:54,098 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 03:03:54,098 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 03:03:54,098 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 03:03:54,098 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 03:03:54,099 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 03:03:54,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 03:03:54,099 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 03:03:54,171 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 03:03:54,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 03:03:54,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 03:03:54,191 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 03:03:54,192 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 03:03:54,193 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl [2018-10-01 03:03:54,194 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product.bpl' [2018-10-01 03:03:54,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 03:03:54,251 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 03:03:54,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 03:03:54,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 03:03:54,254 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 03:03:54,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:54" (1/1) ... [2018-10-01 03:03:54,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:54" (1/1) ... [2018-10-01 03:03:54,291 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 03:03:54,291 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 03:03:54,292 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 03:03:54,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 03:03:54,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 03:03:54,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 03:03:54,294 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 03:03:54,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:54" (1/1) ... [2018-10-01 03:03:54,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:54" (1/1) ... [2018-10-01 03:03:54,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:54" (1/1) ... [2018-10-01 03:03:54,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:54" (1/1) ... [2018-10-01 03:03:54,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:54" (1/1) ... [2018-10-01 03:03:54,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:54" (1/1) ... [2018-10-01 03:03:54,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:54" (1/1) ... [2018-10-01 03:03:54,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 03:03:54,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 03:03:54,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 03:03:54,317 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 03:03:54,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:03:54" (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 [2018-10-01 03:03:54,405 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-10-01 03:03:54,405 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-10-01 03:03:54,405 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-10-01 03:03:54,990 INFO L345 CfgBuilder]: Using library mode [2018-10-01 03:03:54,990 INFO L202 PluginConnector]: Adding new model threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:03:54 BoogieIcfgContainer [2018-10-01 03:03:54,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 03:03:54,991 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 03:03:54,992 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 03:03:55,004 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 03:03:55,004 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:03:54" (1/1) ... [2018-10-01 03:03:55,019 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 03:03:55,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:55,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2018-10-01 03:03:55,061 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2018-10-01 03:03:55,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 03:03:55,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:55,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:56,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:56,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2018-10-01 03:03:56,186 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2018-10-01 03:03:56,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 03:03:56,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:56,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:03:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:03:57,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2018-10-01 03:03:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2018-10-01 03:03:57,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 03:03:57,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:03:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:03:58,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:00,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:00,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-10-01 03:04:00,291 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-10-01 03:04:00,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 03:04:00,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:00,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 38 states and 105 transitions. [2018-10-01 03:04:01,771 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 105 transitions. [2018-10-01 03:04:01,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 03:04:01,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:01,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:03,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 42 states and 126 transitions. [2018-10-01 03:04:03,087 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 126 transitions. [2018-10-01 03:04:03,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 03:04:03,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:03,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:06,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 48 states and 167 transitions. [2018-10-01 03:04:06,212 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 167 transitions. [2018-10-01 03:04:06,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 03:04:06,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:06,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:08,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:08,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 49 states and 176 transitions. [2018-10-01 03:04:08,097 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 176 transitions. [2018-10-01 03:04:08,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 03:04:08,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:08,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:09,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:09,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 50 states and 188 transitions. [2018-10-01 03:04:09,284 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 188 transitions. [2018-10-01 03:04:09,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 03:04:09,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:09,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:10,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:10,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 51 states and 191 transitions. [2018-10-01 03:04:10,499 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 191 transitions. [2018-10-01 03:04:10,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 03:04:10,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:10,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:11,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:11,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 55 states and 211 transitions. [2018-10-01 03:04:11,998 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 211 transitions. [2018-10-01 03:04:12,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 03:04:12,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:12,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:12,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:12,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 56 states and 213 transitions. [2018-10-01 03:04:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 213 transitions. [2018-10-01 03:04:12,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 03:04:12,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:13,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:14,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:14,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 57 states and 224 transitions. [2018-10-01 03:04:14,447 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 224 transitions. [2018-10-01 03:04:14,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 03:04:14,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:15,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:15,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 58 states and 235 transitions. [2018-10-01 03:04:15,984 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 235 transitions. [2018-10-01 03:04:15,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 03:04:15,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:16,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:19,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:19,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 61 states and 254 transitions. [2018-10-01 03:04:19,007 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 254 transitions. [2018-10-01 03:04:19,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 03:04:19,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:19,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:21,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:21,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 62 states and 262 transitions. [2018-10-01 03:04:21,280 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 262 transitions. [2018-10-01 03:04:21,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 03:04:21,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:21,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:22,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:22,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 63 states and 280 transitions. [2018-10-01 03:04:22,593 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 280 transitions. [2018-10-01 03:04:22,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 03:04:22,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:22,904 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-01 03:04:25,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:25,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 65 states and 295 transitions. [2018-10-01 03:04:25,138 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 295 transitions. [2018-10-01 03:04:25,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 03:04:25,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:25,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 03:04:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:26,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 66 states and 297 transitions. [2018-10-01 03:04:26,859 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 297 transitions. [2018-10-01 03:04:26,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 03:04:26,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:26,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-01 03:04:27,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:27,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 67 states and 298 transitions. [2018-10-01 03:04:27,688 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 298 transitions. [2018-10-01 03:04:27,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 03:04:27,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 69 states and 306 transitions. [2018-10-01 03:04:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 306 transitions. [2018-10-01 03:04:30,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:04:30,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:30,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:33,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:33,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 72 states and 330 transitions. [2018-10-01 03:04:33,353 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 330 transitions. [2018-10-01 03:04:33,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:04:33,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:33,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:36,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:36,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 75 states and 349 transitions. [2018-10-01 03:04:36,208 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 349 transitions. [2018-10-01 03:04:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:04:36,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:36,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:38,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:38,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 77 states and 354 transitions. [2018-10-01 03:04:38,435 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 354 transitions. [2018-10-01 03:04:38,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:04:38,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:38,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 81 states and 371 transitions. [2018-10-01 03:04:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 371 transitions. [2018-10-01 03:04:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:04:42,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:42,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:47,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:47,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 87 states and 399 transitions. [2018-10-01 03:04:47,968 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 399 transitions. [2018-10-01 03:04:47,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:04:47,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:48,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:48,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 88 states and 409 transitions. [2018-10-01 03:04:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 409 transitions. [2018-10-01 03:04:48,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:04:48,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:49,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:53,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:53,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 92 states and 433 transitions. [2018-10-01 03:04:53,971 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 433 transitions. [2018-10-01 03:04:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:04:53,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:54,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:04:56,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:04:56,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 94 states and 442 transitions. [2018-10-01 03:04:56,238 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 442 transitions. [2018-10-01 03:04:56,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:04:56,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:04:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:04:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:01,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:01,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 98 states and 461 transitions. [2018-10-01 03:05:01,890 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 461 transitions. [2018-10-01 03:05:01,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:05:01,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:03,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 103 states and 496 transitions. [2018-10-01 03:05:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 496 transitions. [2018-10-01 03:05:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:05:09,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:09,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:13,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 106 states and 519 transitions. [2018-10-01 03:05:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 519 transitions. [2018-10-01 03:05:13,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:05:13,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:13,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:17,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:17,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 109 states and 532 transitions. [2018-10-01 03:05:17,002 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 532 transitions. [2018-10-01 03:05:17,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:05:17,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:17,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:19,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:19,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 110 states and 542 transitions. [2018-10-01 03:05:19,080 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 542 transitions. [2018-10-01 03:05:19,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:05:19,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:22,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:22,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 112 states and 553 transitions. [2018-10-01 03:05:22,526 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 553 transitions. [2018-10-01 03:05:22,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:05:22,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:27,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:27,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 115 states and 566 transitions. [2018-10-01 03:05:27,960 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 566 transitions. [2018-10-01 03:05:27,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:05:27,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:29,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:29,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 116 states and 568 transitions. [2018-10-01 03:05:29,528 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 568 transitions. [2018-10-01 03:05:29,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:05:29,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:29,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:32,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:32,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 118 states and 573 transitions. [2018-10-01 03:05:32,393 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 573 transitions. [2018-10-01 03:05:32,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:05:32,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:32,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:34,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 119 states and 578 transitions. [2018-10-01 03:05:34,838 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 578 transitions. [2018-10-01 03:05:34,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:05:34,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:36,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:40,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:40,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 122 states and 591 transitions. [2018-10-01 03:05:40,862 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 591 transitions. [2018-10-01 03:05:40,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:05:40,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:41,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:43,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:43,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 124 states and 608 transitions. [2018-10-01 03:05:43,429 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 608 transitions. [2018-10-01 03:05:43,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:05:43,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:45,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:45,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 126 states and 622 transitions. [2018-10-01 03:05:45,952 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 622 transitions. [2018-10-01 03:05:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:05:45,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:46,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:05:48,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:48,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 128 states and 627 transitions. [2018-10-01 03:05:48,382 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 627 transitions. [2018-10-01 03:05:48,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 03:05:48,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:48,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 03:05:54,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:05:54,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 132 states and 666 transitions. [2018-10-01 03:05:54,454 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 666 transitions. [2018-10-01 03:05:54,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:05:54,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:05:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:05:55,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:01,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 135 states and 696 transitions. [2018-10-01 03:06:01,246 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 696 transitions. [2018-10-01 03:06:01,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:01,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:06,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 138 states and 728 transitions. [2018-10-01 03:06:06,381 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 728 transitions. [2018-10-01 03:06:06,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:06,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:06,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:11,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:11,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 141 states and 743 transitions. [2018-10-01 03:06:11,506 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 743 transitions. [2018-10-01 03:06:11,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:11,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:11,546 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:14,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 143 states and 766 transitions. [2018-10-01 03:06:14,371 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 766 transitions. [2018-10-01 03:06:14,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:14,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:14,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 03:06:17,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:17,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 144 states and 767 transitions. [2018-10-01 03:06:17,669 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 767 transitions. [2018-10-01 03:06:17,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:17,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:17,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:18,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:18,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 145 states and 767 transitions. [2018-10-01 03:06:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 767 transitions. [2018-10-01 03:06:18,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:18,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:22,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:22,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 148 states and 805 transitions. [2018-10-01 03:06:22,183 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 805 transitions. [2018-10-01 03:06:22,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:22,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:22,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 03:06:24,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:24,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 150 states and 826 transitions. [2018-10-01 03:06:24,843 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 826 transitions. [2018-10-01 03:06:24,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:24,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:25,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 03:06:26,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:26,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 151 states and 826 transitions. [2018-10-01 03:06:26,697 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 826 transitions. [2018-10-01 03:06:26,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:26,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:27,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:29,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:29,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 152 states and 828 transitions. [2018-10-01 03:06:29,434 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 828 transitions. [2018-10-01 03:06:29,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:29,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:29,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:33,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:33,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 155 states and 842 transitions. [2018-10-01 03:06:33,195 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 842 transitions. [2018-10-01 03:06:33,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:33,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:33,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:34,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:34,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 156 states and 842 transitions. [2018-10-01 03:06:34,418 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 842 transitions. [2018-10-01 03:06:34,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:34,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:34,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:39,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:39,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 160 states and 867 transitions. [2018-10-01 03:06:39,680 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 867 transitions. [2018-10-01 03:06:39,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:39,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:40,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:42,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:42,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 160 states and 863 transitions. [2018-10-01 03:06:42,103 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 863 transitions. [2018-10-01 03:06:42,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:42,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:49,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:49,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 163 states and 883 transitions. [2018-10-01 03:06:49,404 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 883 transitions. [2018-10-01 03:06:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:49,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:49,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:55,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 166 states and 903 transitions. [2018-10-01 03:06:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 903 transitions. [2018-10-01 03:06:55,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:55,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:06:57,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:06:57,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 168 states and 910 transitions. [2018-10-01 03:06:57,932 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 910 transitions. [2018-10-01 03:06:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:06:57,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:06:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:06:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:05,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 171 states and 937 transitions. [2018-10-01 03:07:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 937 transitions. [2018-10-01 03:07:05,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:07:05,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:05,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 03:07:08,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:08,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 173 states and 943 transitions. [2018-10-01 03:07:08,652 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 943 transitions. [2018-10-01 03:07:08,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:07:08,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:08,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:12,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:12,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 175 states and 949 transitions. [2018-10-01 03:07:12,435 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 949 transitions. [2018-10-01 03:07:12,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:07:12,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:12,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:16,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:16,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 177 states and 952 transitions. [2018-10-01 03:07:16,354 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 952 transitions. [2018-10-01 03:07:16,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:07:16,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:16,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:20,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:20,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 177 states and 951 transitions. [2018-10-01 03:07:20,492 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 951 transitions. [2018-10-01 03:07:20,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:07:20,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:21,255 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:25,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:25,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 178 states and 962 transitions. [2018-10-01 03:07:25,927 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 962 transitions. [2018-10-01 03:07:25,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:07:25,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:26,902 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:28,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:28,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 179 states and 968 transitions. [2018-10-01 03:07:28,867 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 968 transitions. [2018-10-01 03:07:28,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:07:28,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:36,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:36,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 184 states and 1010 transitions. [2018-10-01 03:07:36,330 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 1010 transitions. [2018-10-01 03:07:36,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:07:36,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:37,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 187 states and 1034 transitions. [2018-10-01 03:07:45,739 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 1034 transitions. [2018-10-01 03:07:45,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:07:45,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:48,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 188 states and 1050 transitions. [2018-10-01 03:07:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 1050 transitions. [2018-10-01 03:07:48,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:07:48,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:48,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:51,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 189 states and 1059 transitions. [2018-10-01 03:07:51,723 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 1059 transitions. [2018-10-01 03:07:51,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:07:51,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:51,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:07:54,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:07:54,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 192 states and 1087 transitions. [2018-10-01 03:07:54,916 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 1087 transitions. [2018-10-01 03:07:54,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:07:54,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:07:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:07:55,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:00,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:00,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 192 states and 1086 transitions. [2018-10-01 03:08:00,285 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 1086 transitions. [2018-10-01 03:08:00,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:08:00,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:00,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:05,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:05,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 194 states and 1081 transitions. [2018-10-01 03:08:05,454 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 1081 transitions. [2018-10-01 03:08:05,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:08:05,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:05,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:11,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:11,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 199 states and 1115 transitions. [2018-10-01 03:08:11,606 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 1115 transitions. [2018-10-01 03:08:11,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:08:11,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 201 states and 1119 transitions. [2018-10-01 03:08:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 1119 transitions. [2018-10-01 03:08:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:08:14,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:15,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:22,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 206 states and 1149 transitions. [2018-10-01 03:08:22,079 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 1149 transitions. [2018-10-01 03:08:22,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:08:22,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:23,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:32,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:32,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 209 states and 1184 transitions. [2018-10-01 03:08:32,672 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 1184 transitions. [2018-10-01 03:08:32,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:08:32,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:39,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:39,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 212 states and 1210 transitions. [2018-10-01 03:08:39,542 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 1210 transitions. [2018-10-01 03:08:39,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:08:39,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:39,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:41,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 213 states and 1212 transitions. [2018-10-01 03:08:41,796 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1212 transitions. [2018-10-01 03:08:41,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 03:08:41,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:42,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:46,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:46,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 213 states and 1211 transitions. [2018-10-01 03:08:46,908 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1211 transitions. [2018-10-01 03:08:46,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:08:46,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:48,236 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:08:57,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:08:57,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 218 states and 1251 transitions. [2018-10-01 03:08:57,510 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 1251 transitions. [2018-10-01 03:08:57,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:08:57,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:08:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:08:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:03,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:03,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 221 states and 1267 transitions. [2018-10-01 03:09:03,156 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 1267 transitions. [2018-10-01 03:09:03,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:09:03,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:04,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:13,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 224 states and 1287 transitions. [2018-10-01 03:09:13,893 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 1287 transitions. [2018-10-01 03:09:13,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:09:13,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:13,915 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-01 03:09:15,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:15,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 225 states and 1287 transitions. [2018-10-01 03:09:15,830 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 1287 transitions. [2018-10-01 03:09:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:09:15,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 03:09:25,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:25,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 230 states and 1319 transitions. [2018-10-01 03:09:25,775 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 1319 transitions. [2018-10-01 03:09:25,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:09:25,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:25,819 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 03:09:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:29,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 232 states and 1325 transitions. [2018-10-01 03:09:29,805 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 1325 transitions. [2018-10-01 03:09:29,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:09:29,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:29,814 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 03:09:33,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:33,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 234 states and 1330 transitions. [2018-10-01 03:09:33,651 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1330 transitions. [2018-10-01 03:09:33,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:09:33,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:34,017 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:37,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:37,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 235 states and 1334 transitions. [2018-10-01 03:09:37,370 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 1334 transitions. [2018-10-01 03:09:37,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:09:37,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:38,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:44,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:44,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 237 states and 1346 transitions. [2018-10-01 03:09:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 1346 transitions. [2018-10-01 03:09:44,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:09:44,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:47,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:47,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 238 states and 1351 transitions. [2018-10-01 03:09:47,173 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 1351 transitions. [2018-10-01 03:09:47,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:09:47,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:47,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:09:50,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:09:50,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 239 states and 1358 transitions. [2018-10-01 03:09:50,210 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 1358 transitions. [2018-10-01 03:09:50,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:09:50,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:09:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:09:52,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:06,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:06,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 245 states and 1391 transitions. [2018-10-01 03:10:06,732 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 1391 transitions. [2018-10-01 03:10:06,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:10:06,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:08,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:11,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 246 states and 1395 transitions. [2018-10-01 03:10:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 1395 transitions. [2018-10-01 03:10:11,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:10:11,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 247 states and 1396 transitions. [2018-10-01 03:10:14,687 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 1396 transitions. [2018-10-01 03:10:14,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:10:14,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:15,227 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:17,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:17,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 248 states and 1401 transitions. [2018-10-01 03:10:17,849 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 1401 transitions. [2018-10-01 03:10:17,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:10:17,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:17,913 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:23,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:23,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 249 states and 1403 transitions. [2018-10-01 03:10:23,108 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 1403 transitions. [2018-10-01 03:10:23,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:10:23,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:25,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:31,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:31,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 250 states and 1405 transitions. [2018-10-01 03:10:31,539 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 1405 transitions. [2018-10-01 03:10:31,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:10:31,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:34,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:34,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 251 states and 1411 transitions. [2018-10-01 03:10:34,473 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 1411 transitions. [2018-10-01 03:10:34,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:10:34,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:35,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:41,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:41,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 254 states and 1423 transitions. [2018-10-01 03:10:41,770 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 1423 transitions. [2018-10-01 03:10:41,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:10:41,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:42,578 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:49,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:49,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 256 states and 1440 transitions. [2018-10-01 03:10:49,149 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 1440 transitions. [2018-10-01 03:10:49,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:10:49,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:49,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:54,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:54,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 258 states and 1449 transitions. [2018-10-01 03:10:54,191 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 1449 transitions. [2018-10-01 03:10:54,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:10:54,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:54,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:10:59,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:10:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 260 states and 1458 transitions. [2018-10-01 03:10:59,515 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 1458 transitions. [2018-10-01 03:10:59,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:10:59,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:10:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:10:59,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:02,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:02,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 261 states and 1459 transitions. [2018-10-01 03:11:02,308 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 1459 transitions. [2018-10-01 03:11:02,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:11:02,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:04,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:04,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 262 states and 1459 transitions. [2018-10-01 03:11:04,646 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 1459 transitions. [2018-10-01 03:11:04,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:11:04,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:12,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:12,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 264 states and 1470 transitions. [2018-10-01 03:11:12,621 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 1470 transitions. [2018-10-01 03:11:12,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:11:12,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:13,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:27,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:27,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 269 states and 1491 transitions. [2018-10-01 03:11:27,671 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 1491 transitions. [2018-10-01 03:11:27,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:11:27,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:27,793 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:30,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:30,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 270 states and 1491 transitions. [2018-10-01 03:11:30,695 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 1491 transitions. [2018-10-01 03:11:30,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:11:30,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:32,565 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:39,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:39,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 272 states and 1506 transitions. [2018-10-01 03:11:39,787 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 1506 transitions. [2018-10-01 03:11:39,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:11:39,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:40,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:51,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 275 states and 1527 transitions. [2018-10-01 03:11:51,850 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1527 transitions. [2018-10-01 03:11:51,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:11:51,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:51,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:11:57,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:11:57,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 277 states and 1530 transitions. [2018-10-01 03:11:57,212 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1530 transitions. [2018-10-01 03:11:57,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:11:57,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:11:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:11:57,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:04,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:04,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 280 states and 1555 transitions. [2018-10-01 03:12:04,655 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 1555 transitions. [2018-10-01 03:12:04,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:12:04,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:13,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:13,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 282 states and 1583 transitions. [2018-10-01 03:12:13,352 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 1583 transitions. [2018-10-01 03:12:13,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:12:13,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:13,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:16,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:16,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 283 states and 1584 transitions. [2018-10-01 03:12:16,640 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 1584 transitions. [2018-10-01 03:12:16,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:12:16,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:16,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:20,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:20,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 284 states and 1591 transitions. [2018-10-01 03:12:20,214 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 1591 transitions. [2018-10-01 03:12:20,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:12:20,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:20,282 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:25,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:25,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 286 states and 1608 transitions. [2018-10-01 03:12:25,957 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 1608 transitions. [2018-10-01 03:12:25,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:12:25,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:34,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:34,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 288 states and 1613 transitions. [2018-10-01 03:12:34,344 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 1613 transitions. [2018-10-01 03:12:34,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:12:34,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:37,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:37,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 289 states and 1614 transitions. [2018-10-01 03:12:37,390 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 1614 transitions. [2018-10-01 03:12:37,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:12:37,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:37,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:40,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:40,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 290 states and 1628 transitions. [2018-10-01 03:12:40,709 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 1628 transitions. [2018-10-01 03:12:40,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:12:40,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:41,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:12:51,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:12:51,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 292 states and 1641 transitions. [2018-10-01 03:12:51,485 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 1641 transitions. [2018-10-01 03:12:51,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:12:51,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:12:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:12:55,057 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:13:08,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 295 states and 1660 transitions. [2018-10-01 03:13:08,327 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 1660 transitions. [2018-10-01 03:13:08,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:13:08,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:08,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:13:23,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:23,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 298 states and 1682 transitions. [2018-10-01 03:13:23,500 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 1682 transitions. [2018-10-01 03:13:23,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:13:23,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:26,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:13:30,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:30,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 299 states and 1687 transitions. [2018-10-01 03:13:30,651 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 1687 transitions. [2018-10-01 03:13:30,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:13:30,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:13:50,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:50,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 305 states and 1733 transitions. [2018-10-01 03:13:50,886 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1733 transitions. [2018-10-01 03:13:50,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:13:50,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:13:54,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:54,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 306 states and 1740 transitions. [2018-10-01 03:13:54,380 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1740 transitions. [2018-10-01 03:13:54,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:13:54,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:54,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:13:57,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:13:57,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 307 states and 1744 transitions. [2018-10-01 03:13:57,885 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1744 transitions. [2018-10-01 03:13:57,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:13:57,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:13:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:13:57,905 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:01,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:01,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 308 states and 1759 transitions. [2018-10-01 03:14:01,499 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 1759 transitions. [2018-10-01 03:14:01,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:14:01,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:04,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:20,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:20,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 313 states and 1792 transitions. [2018-10-01 03:14:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1792 transitions. [2018-10-01 03:14:20,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:14:20,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:20,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:31,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:31,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 317 states and 1822 transitions. [2018-10-01 03:14:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 1822 transitions. [2018-10-01 03:14:31,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:14:31,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:31,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:32,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:43,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:43,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 321 states and 1842 transitions. [2018-10-01 03:14:43,392 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1842 transitions. [2018-10-01 03:14:43,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:14:43,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:43,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:14:52,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:14:52,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 324 states and 1857 transitions. [2018-10-01 03:14:52,210 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1857 transitions. [2018-10-01 03:14:52,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:14:52,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:14:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:14:53,946 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:06,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:06,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 328 states and 1882 transitions. [2018-10-01 03:15:06,527 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 1882 transitions. [2018-10-01 03:15:06,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:15:06,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:06,689 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:10,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:10,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 329 states and 1888 transitions. [2018-10-01 03:15:10,352 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 1888 transitions. [2018-10-01 03:15:10,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:15:10,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:10,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:13,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:13,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 330 states and 1892 transitions. [2018-10-01 03:15:13,830 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1892 transitions. [2018-10-01 03:15:13,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:15:13,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:13,858 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:24,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:24,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 334 states and 1909 transitions. [2018-10-01 03:15:24,665 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1909 transitions. [2018-10-01 03:15:24,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:15:24,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:33,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:33,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 336 states and 1927 transitions. [2018-10-01 03:15:33,265 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1927 transitions. [2018-10-01 03:15:33,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:15:33,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:42,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:42,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 336 states and 1921 transitions. [2018-10-01 03:15:42,234 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1921 transitions. [2018-10-01 03:15:42,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:15:42,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:42,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:47,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:47,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 336 states and 1918 transitions. [2018-10-01 03:15:47,090 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1918 transitions. [2018-10-01 03:15:47,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 03:15:47,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:47,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:15:54,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:15:54,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 338 states and 1921 transitions. [2018-10-01 03:15:54,278 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 1921 transitions. [2018-10-01 03:15:54,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:15:54,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:15:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:15:55,037 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:11,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:11,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 343 states and 1992 transitions. [2018-10-01 03:16:11,645 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 1992 transitions. [2018-10-01 03:16:11,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:16:11,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:15,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:15,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 344 states and 1998 transitions. [2018-10-01 03:16:15,604 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 1998 transitions. [2018-10-01 03:16:15,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:16:15,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:15,619 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:23,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:23,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 347 states and 2040 transitions. [2018-10-01 03:16:23,945 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 2040 transitions. [2018-10-01 03:16:23,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:16:23,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:34,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 348 states and 2043 transitions. [2018-10-01 03:16:34,705 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 2043 transitions. [2018-10-01 03:16:34,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:16:34,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:34,743 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:16:39,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:39,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 349 states and 2057 transitions. [2018-10-01 03:16:39,217 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 2057 transitions. [2018-10-01 03:16:39,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:16:39,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 03:16:44,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:44,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 350 states and 2064 transitions. [2018-10-01 03:16:44,112 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 2064 transitions. [2018-10-01 03:16:44,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:16:44,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:44,155 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 03:16:55,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:16:55,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 354 states and 2084 transitions. [2018-10-01 03:16:55,709 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 2084 transitions. [2018-10-01 03:16:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:16:55,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:16:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:16:55,785 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-01 03:17:06,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:06,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 356 states and 2087 transitions. [2018-10-01 03:17:06,977 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 2087 transitions. [2018-10-01 03:17:06,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:17:06,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:06,983 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-01 03:17:15,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:15,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 358 states and 2104 transitions. [2018-10-01 03:17:15,079 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 2104 transitions. [2018-10-01 03:17:15,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:17:15,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:15,100 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 03:17:19,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:19,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 359 states and 2129 transitions. [2018-10-01 03:17:19,218 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 2129 transitions. [2018-10-01 03:17:19,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:17:19,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:19,255 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 03:17:27,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:17:27,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 359 states and 2127 transitions. [2018-10-01 03:17:27,224 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 2127 transitions. [2018-10-01 03:17:27,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:17:27,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:17:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:17:29,469 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-01 03:17:44,309 INFO L202 PluginConnector]: Adding new model threadpooling_product.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.10 03:17:44 ImpRootNode [2018-10-01 03:17:44,309 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-01 03:17:44,310 INFO L168 Benchmark]: Toolchain (without parser) took 830062.78 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -240.1 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 423.0 MB). Peak memory consumption was 182.9 MB. Max. memory is 7.1 GB. [2018-10-01 03:17:44,312 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 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. [2018-10-01 03:17:44,312 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.95 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. [2018-10-01 03:17:44,312 INFO L168 Benchmark]: Boogie Preprocessor took 21.98 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. [2018-10-01 03:17:44,313 INFO L168 Benchmark]: RCFGBuilder took 674.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-01 03:17:44,313 INFO L168 Benchmark]: CodeCheck took 829318.11 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -240.1 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 401.8 MB). Peak memory consumption was 161.7 MB. Max. memory is 7.1 GB. [2018-10-01 03:17:44,316 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 94]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 94) - TimeoutResultAtElement [Line: 74]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 74) - TimeoutResultAtElement [Line: 85]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 85) - TimeoutResultAtElement [Line: 45]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 45) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 23 locations, 4 error locations. UNKNOWN Result, 829.2s OverallTime, 151 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 2137713430 SDslu, 0 SDs, 0 SdLazy, -1198472466 SolverSat, -175767920 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 985.1s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 68.0s InterpolantComputationTime, 1911 NumberOfCodeBlocks, 1911 NumberOfCodeBlocksAsserted, 151 NumberOfCheckSat, 1760 ConstructedInterpolants, 0 QuantifiedInterpolants, 129317 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 151 InterpolantComputations, 23 PerfectInterpolantSequences, 160/612 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 0.24 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 39.95 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 21.98 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 674.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 829318.11 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -240.1 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 401.8 MB). Peak memory consumption was 161.7 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.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-01_03-17-44-326.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-01_03-17-44-326.csv Completed graceful shutdown