java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 02:01:30,877 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 02:01:30,878 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 02:01:30,890 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 02:01:30,890 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 02:01:30,892 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 02:01:30,893 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 02:01:30,895 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 02:01:30,897 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 02:01:30,897 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 02:01:30,898 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 02:01:30,899 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 02:01:30,900 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 02:01:30,901 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 02:01:30,902 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 02:01:30,902 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 02:01:30,903 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 02:01:30,905 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 02:01:30,907 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 02:01:30,908 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 02:01:30,910 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 02:01:30,911 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 02:01:30,913 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 02:01:30,913 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 02:01:30,914 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 02:01:30,915 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 02:01:30,916 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 02:01:30,916 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 02:01:30,917 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 02:01:30,918 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 02:01:30,918 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 02:01:30,919 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 02:01:30,919 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 02:01:30,920 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 02:01:30,921 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 02:01:30,921 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 02:01:30,922 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-01 02:01:30,952 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 02:01:30,952 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 02:01:30,953 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 02:01:30,953 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 02:01:30,954 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 02:01:30,954 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 02:01:30,954 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 02:01:30,954 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 02:01:30,954 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 02:01:30,955 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 02:01:30,955 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 02:01:30,955 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 02:01:30,955 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 02:01:30,955 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 02:01:30,956 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 02:01:30,956 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 02:01:30,956 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 02:01:30,956 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 02:01:30,956 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 02:01:30,957 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 02:01:30,957 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 02:01:30,957 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 02:01:30,957 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 02:01:30,957 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 02:01:30,958 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 02:01:30,958 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 02:01:30,958 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 02:01:30,958 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 02:01:30,958 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 02:01:31,003 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 02:01:31,019 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 02:01:31,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 02:01:31,029 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 02:01:31,029 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 02:01:31,030 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl [2018-10-01 02:01:31,030 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl' [2018-10-01 02:01:31,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 02:01:31,087 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 02:01:31,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 02:01:31,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 02:01:31,088 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 02:01:31,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:01:31" (1/1) ... [2018-10-01 02:01:31,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:01:31" (1/1) ... [2018-10-01 02:01:31,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 02:01:31,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 02:01:31,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 02:01:31,131 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 02:01:31,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:01:31" (1/1) ... [2018-10-01 02:01:31,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:01:31" (1/1) ... [2018-10-01 02:01:31,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:01:31" (1/1) ... [2018-10-01 02:01:31,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:01:31" (1/1) ... [2018-10-01 02:01:31,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:01:31" (1/1) ... [2018-10-01 02:01:31,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:01:31" (1/1) ... [2018-10-01 02:01:31,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:01:31" (1/1) ... [2018-10-01 02:01:31,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 02:01:31,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 02:01:31,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 02:01:31,156 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 02:01:31,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:01:31" (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 02:01:31,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-01 02:01:31,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-01 02:01:31,501 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-01 02:01:31,502 INFO L202 PluginConnector]: Adding new model down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 02:01:31 BoogieIcfgContainer [2018-10-01 02:01:31,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 02:01:31,502 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 02:01:31,502 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 02:01:31,513 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 02:01:31,513 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 02:01:31" (1/1) ... [2018-10-01 02:01:31,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-01 02:01:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:31,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-01 02:01:31,560 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-01 02:01:31,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 02:01:31,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:31,792 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 02:01:31,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:31,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-10-01 02:01:31,984 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-10-01 02:01:31,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 02:01:31,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:32,107 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 02:01:33,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:33,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-10-01 02:01:33,334 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-10-01 02:01:33,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 02:01:33,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:33,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:34,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:34,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-10-01 02:01:34,274 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-10-01 02:01:34,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 02:01:34,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:34,442 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:34,959 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2018-10-01 02:01:35,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:35,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-10-01 02:01:35,493 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-10-01 02:01:35,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 02:01:35,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:35,618 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:36,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-10-01 02:01:36,313 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-10-01 02:01:36,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 02:01:36,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:36,509 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:37,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:37,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-10-01 02:01:37,311 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-10-01 02:01:37,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 02:01:37,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:39,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:39,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-10-01 02:01:39,378 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-10-01 02:01:39,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 02:01:39,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:39,880 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:40,415 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-10-01 02:01:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:42,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-10-01 02:01:42,069 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-10-01 02:01:42,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 02:01:42,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:43,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:43,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-10-01 02:01:43,279 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-10-01 02:01:43,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 02:01:43,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:43,476 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:44,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:44,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-10-01 02:01:44,680 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-10-01 02:01:44,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 02:01:44,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:44,910 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:45,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:45,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-10-01 02:01:45,869 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-10-01 02:01:45,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 02:01:45,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:46,120 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:47,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:47,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-10-01 02:01:47,172 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-10-01 02:01:47,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 02:01:47,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:47,368 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:48,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:48,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-10-01 02:01:48,624 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-10-01 02:01:48,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 02:01:48,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:48,927 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:50,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:50,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-10-01 02:01:50,554 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-10-01 02:01:50,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 02:01:50,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:50,813 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:52,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:52,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-10-01 02:01:52,021 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-10-01 02:01:52,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 02:01:52,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:52,465 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:53,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:53,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-10-01 02:01:53,868 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-10-01 02:01:53,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 02:01:53,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:54,626 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:55,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-10-01 02:01:55,991 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-10-01 02:01:55,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 02:01:55,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:56,322 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:57,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:57,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-10-01 02:01:57,813 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-10-01 02:01:57,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 02:01:57,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:58,189 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:01:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:59,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-10-01 02:01:59,973 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-10-01 02:01:59,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 02:01:59,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:00,403 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:02,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:02,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-10-01 02:02:02,062 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-10-01 02:02:02,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 02:02:02,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:03,217 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:05,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:05,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-10-01 02:02:05,228 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-10-01 02:02:05,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 02:02:05,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:07,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-10-01 02:02:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-10-01 02:02:07,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 02:02:07,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:07,949 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:10,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:10,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-10-01 02:02:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-10-01 02:02:10,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 02:02:10,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:10,558 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:12,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:12,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-10-01 02:02:12,610 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-10-01 02:02:12,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 02:02:12,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:15,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:15,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-10-01 02:02:15,239 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-10-01 02:02:15,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 02:02:15,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:15,974 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:18,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:18,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-10-01 02:02:18,091 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-10-01 02:02:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 02:02:18,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:18,482 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:20,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:20,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-10-01 02:02:20,731 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-10-01 02:02:20,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 02:02:20,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:21,270 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:23,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:23,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-10-01 02:02:23,625 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-10-01 02:02:23,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 02:02:23,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:24,398 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:26,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:26,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-10-01 02:02:26,813 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-10-01 02:02:26,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 02:02:26,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:27,281 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:29,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:29,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-10-01 02:02:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-10-01 02:02:29,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 02:02:29,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:30,775 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:33,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:33,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-10-01 02:02:33,069 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-10-01 02:02:33,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 02:02:33,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:36,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:36,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-10-01 02:02:36,352 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-10-01 02:02:36,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 02:02:36,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:39,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:39,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-10-01 02:02:39,958 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-10-01 02:02:39,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 02:02:39,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:40,885 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:43,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:43,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-10-01 02:02:43,648 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-10-01 02:02:43,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 02:02:43,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:44,208 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:47,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:47,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-10-01 02:02:47,041 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-10-01 02:02:47,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 02:02:47,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:47,630 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:50,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:50,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-10-01 02:02:50,454 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-10-01 02:02:50,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 02:02:50,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:54,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:54,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-10-01 02:02:54,095 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-10-01 02:02:54,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 02:02:54,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:54,823 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:02:58,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:58,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-10-01 02:02:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-10-01 02:02:58,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-01 02:02:58,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:58,809 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:03:02,652 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-10-01 02:03:05,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:03:05,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-10-01 02:03:05,136 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-10-01 02:03:05,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-01 02:03:05,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:03:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:03:05,757 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:03:09,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:03:09,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-10-01 02:03:09,200 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-10-01 02:03:09,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-01 02:03:09,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:03:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:03:09,933 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:03:13,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:03:13,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-10-01 02:03:13,201 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-10-01 02:03:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-01 02:03:13,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:03:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:03:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:03:17,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:03:17,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-10-01 02:03:17,479 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-10-01 02:03:17,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-01 02:03:17,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:03:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:03:18,181 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:03:21,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:03:21,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-10-01 02:03:21,659 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-10-01 02:03:21,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-01 02:03:21,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:03:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:03:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:03:25,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:03:25,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-10-01 02:03:25,841 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-10-01 02:03:25,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-01 02:03:25,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:03:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:03:26,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:03:30,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:03:30,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-10-01 02:03:30,233 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-10-01 02:03:30,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-01 02:03:30,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:03:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:03:31,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:03:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:03:35,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-10-01 02:03:35,113 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-10-01 02:03:35,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-01 02:03:35,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:03:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:03:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:03:39,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:03:39,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-10-01 02:03:39,732 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-10-01 02:03:39,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-01 02:03:39,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:03:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:03:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:03:44,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:03:44,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-10-01 02:03:44,557 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-10-01 02:03:44,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-01 02:03:44,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:03:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:03:45,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:03:49,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:03:49,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-10-01 02:03:49,582 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-10-01 02:03:49,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-01 02:03:49,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:03:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:03:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:03:55,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:03:55,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 156 states and 508 transitions. [2018-10-01 02:03:55,270 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 508 transitions. [2018-10-01 02:03:55,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-01 02:03:55,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:03:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:03:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:04:00,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:04:00,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 160 states and 539 transitions. [2018-10-01 02:04:00,794 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 539 transitions. [2018-10-01 02:04:00,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-01 02:04:00,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:04:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:04:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:04:05,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:04:05,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 162 states and 541 transitions. [2018-10-01 02:04:05,987 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 541 transitions. [2018-10-01 02:04:05,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-01 02:04:05,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:04:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:04:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 702 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:04:11,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:04:11,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 166 states and 573 transitions. [2018-10-01 02:04:11,257 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 573 transitions. [2018-10-01 02:04:11,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-01 02:04:11,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:04:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:04:12,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 756 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:04:16,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:04:16,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 168 states and 575 transitions. [2018-10-01 02:04:16,702 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 575 transitions. [2018-10-01 02:04:16,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-01 02:04:16,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:04:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:04:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 756 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:04:22,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:04:22,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 172 states and 608 transitions. [2018-10-01 02:04:22,170 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 608 transitions. [2018-10-01 02:04:22,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-01 02:04:22,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:04:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:04:23,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 812 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:04:27,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:04:27,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 174 states and 610 transitions. [2018-10-01 02:04:27,753 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 610 transitions. [2018-10-01 02:04:27,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-01 02:04:27,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:04:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:04:28,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 812 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:04:33,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:04:33,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 178 states and 644 transitions. [2018-10-01 02:04:33,464 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 644 transitions. [2018-10-01 02:04:33,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-01 02:04:33,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:04:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:04:34,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 870 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:04:38,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:04:38,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 180 states and 646 transitions. [2018-10-01 02:04:38,967 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 646 transitions. [2018-10-01 02:04:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-01 02:04:38,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:04:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:04:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 870 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:04:44,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:04:44,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 184 states and 681 transitions. [2018-10-01 02:04:44,622 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 681 transitions. [2018-10-01 02:04:44,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-01 02:04:44,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:04:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:04:45,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 930 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:04:50,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:04:50,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 186 states and 683 transitions. [2018-10-01 02:04:50,321 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 683 transitions. [2018-10-01 02:04:50,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-01 02:04:50,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:04:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:04:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 930 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:04:56,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:04:56,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 190 states and 719 transitions. [2018-10-01 02:04:56,174 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 719 transitions. [2018-10-01 02:04:56,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-01 02:04:56,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:04:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:04:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 992 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:02,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:02,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 192 states and 721 transitions. [2018-10-01 02:05:02,268 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 721 transitions. [2018-10-01 02:05:02,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-01 02:05:02,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:03,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 992 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:08,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:08,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 196 states and 758 transitions. [2018-10-01 02:05:08,444 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 758 transitions. [2018-10-01 02:05:08,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-01 02:05:08,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:09,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 1056 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:14,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 198 states and 760 transitions. [2018-10-01 02:05:14,871 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 760 transitions. [2018-10-01 02:05:14,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-01 02:05:14,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1056 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:21,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:21,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 202 states and 798 transitions. [2018-10-01 02:05:21,163 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 798 transitions. [2018-10-01 02:05:21,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-01 02:05:21,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:22,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 1122 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:27,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:27,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 204 states and 800 transitions. [2018-10-01 02:05:27,341 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 800 transitions. [2018-10-01 02:05:27,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-01 02:05:27,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:28,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1122 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:33,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:33,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 208 states and 839 transitions. [2018-10-01 02:05:33,762 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 839 transitions. [2018-10-01 02:05:33,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-01 02:05:33,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:35,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 1190 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:40,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:40,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 210 states and 841 transitions. [2018-10-01 02:05:40,616 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 841 transitions. [2018-10-01 02:05:40,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-01 02:05:40,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1190 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:46,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:46,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 214 states and 881 transitions. [2018-10-01 02:05:46,889 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 881 transitions. [2018-10-01 02:05:46,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-01 02:05:46,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:47,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 1260 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:05:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:05:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 216 states and 883 transitions. [2018-10-01 02:05:53,507 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 883 transitions. [2018-10-01 02:05:53,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-01 02:05:53,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:05:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:05:54,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1260 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:00,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:00,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 220 states and 924 transitions. [2018-10-01 02:06:00,312 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 924 transitions. [2018-10-01 02:06:00,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-01 02:06:00,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 1332 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:07,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 222 states and 926 transitions. [2018-10-01 02:06:07,285 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 926 transitions. [2018-10-01 02:06:07,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-01 02:06:07,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:08,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 1332 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:14,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:14,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 226 states and 968 transitions. [2018-10-01 02:06:14,154 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 968 transitions. [2018-10-01 02:06:14,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-01 02:06:14,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:15,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2738 backedges. 1406 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:21,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:21,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 228 states and 970 transitions. [2018-10-01 02:06:21,428 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 970 transitions. [2018-10-01 02:06:21,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-01 02:06:21,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1406 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:28,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:28,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 232 states and 1013 transitions. [2018-10-01 02:06:28,400 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 1013 transitions. [2018-10-01 02:06:28,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-01 02:06:28,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:29,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 1482 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:35,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:35,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 234 states and 1015 transitions. [2018-10-01 02:06:35,851 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 1015 transitions. [2018-10-01 02:06:35,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-01 02:06:35,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:37,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 1482 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:43,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:43,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 238 states and 1059 transitions. [2018-10-01 02:06:43,097 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 1059 transitions. [2018-10-01 02:06:43,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-01 02:06:43,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3042 backedges. 1560 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:50,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:50,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 240 states and 1061 transitions. [2018-10-01 02:06:50,533 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 1061 transitions. [2018-10-01 02:06:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-01 02:06:50,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1560 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:06:58,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:06:58,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 244 states and 1106 transitions. [2018-10-01 02:06:58,659 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 1106 transitions. [2018-10-01 02:06:58,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-01 02:06:58,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:06:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:06:59,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3200 backedges. 1640 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:06,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 246 states and 1108 transitions. [2018-10-01 02:07:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 1108 transitions. [2018-10-01 02:07:06,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-01 02:07:06,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 1640 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:14,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:14,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 250 states and 1154 transitions. [2018-10-01 02:07:14,070 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 1154 transitions. [2018-10-01 02:07:14,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-01 02:07:14,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3362 backedges. 1722 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:22,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:22,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 252 states and 1156 transitions. [2018-10-01 02:07:22,067 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 1156 transitions. [2018-10-01 02:07:22,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-01 02:07:22,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:23,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 1722 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:29,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:29,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 256 states and 1203 transitions. [2018-10-01 02:07:29,614 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 1203 transitions. [2018-10-01 02:07:29,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-01 02:07:29,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:30,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3528 backedges. 1806 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:37,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:37,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 258 states and 1205 transitions. [2018-10-01 02:07:37,920 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 1205 transitions. [2018-10-01 02:07:37,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-01 02:07:37,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:39,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1806 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:45,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:45,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 262 states and 1253 transitions. [2018-10-01 02:07:45,766 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 1253 transitions. [2018-10-01 02:07:45,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-01 02:07:45,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3698 backedges. 1892 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:07:54,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:07:54,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 264 states and 1255 transitions. [2018-10-01 02:07:54,203 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 1255 transitions. [2018-10-01 02:07:54,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-01 02:07:54,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:07:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:07:55,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1892 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:02,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:02,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 268 states and 1304 transitions. [2018-10-01 02:08:02,029 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 1304 transitions. [2018-10-01 02:08:02,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-01 02:08:02,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:03,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3872 backedges. 1980 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:10,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:10,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 270 states and 1306 transitions. [2018-10-01 02:08:10,771 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 1306 transitions. [2018-10-01 02:08:10,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-01 02:08:10,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 1980 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:19,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:19,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 274 states and 1356 transitions. [2018-10-01 02:08:19,254 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 1356 transitions. [2018-10-01 02:08:19,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-01 02:08:19,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:20,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4050 backedges. 2070 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:26,399 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 12 [2018-10-01 02:08:27,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:27,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 276 states and 1358 transitions. [2018-10-01 02:08:27,910 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 1358 transitions. [2018-10-01 02:08:27,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-01 02:08:27,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:29,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 2070 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:36,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:36,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 280 states and 1409 transitions. [2018-10-01 02:08:36,578 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 1409 transitions. [2018-10-01 02:08:36,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-01 02:08:36,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:38,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4232 backedges. 2162 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:45,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:45,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 282 states and 1411 transitions. [2018-10-01 02:08:45,683 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 1411 transitions. [2018-10-01 02:08:45,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-01 02:08:45,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:46,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 2162 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:08:54,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:08:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 286 states and 1463 transitions. [2018-10-01 02:08:54,544 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 1463 transitions. [2018-10-01 02:08:54,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-01 02:08:54,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:08:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:08:55,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4418 backedges. 2256 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:09:03,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:09:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 288 states and 1465 transitions. [2018-10-01 02:09:03,553 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 1465 transitions. [2018-10-01 02:09:03,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-01 02:09:03,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:09:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:09:05,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 2256 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:09:12,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:09:12,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 292 states and 1518 transitions. [2018-10-01 02:09:12,878 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 1518 transitions. [2018-10-01 02:09:12,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-10-01 02:09:12,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:09:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:09:14,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4608 backedges. 2352 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:09:21,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:09:21,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 294 states and 1520 transitions. [2018-10-01 02:09:21,915 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 1520 transitions. [2018-10-01 02:09:21,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-01 02:09:21,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:09:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:09:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2352 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:09:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:09:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 298 states and 1574 transitions. [2018-10-01 02:09:31,360 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 1574 transitions. [2018-10-01 02:09:31,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-01 02:09:31,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:09:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:09:32,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4802 backedges. 2450 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:09:33,955 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2018-10-01 02:09:41,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:09:41,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 300 states and 1576 transitions. [2018-10-01 02:09:41,026 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1576 transitions. [2018-10-01 02:09:41,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-01 02:09:41,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:09:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:09:42,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 2450 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:09:50,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:09:50,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 304 states and 1631 transitions. [2018-10-01 02:09:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1631 transitions. [2018-10-01 02:09:50,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-01 02:09:50,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:09:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:09:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 5000 backedges. 2550 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:10:00,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:10:00,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 306 states and 1633 transitions. [2018-10-01 02:10:00,054 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1633 transitions. [2018-10-01 02:10:00,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-10-01 02:10:00,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:10:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:10:01,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 2550 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:10:09,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:10:09,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 310 states and 1689 transitions. [2018-10-01 02:10:09,724 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1689 transitions. [2018-10-01 02:10:09,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-10-01 02:10:09,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:10:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:10:11,448 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 2652 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:10:19,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:10:19,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 312 states and 1691 transitions. [2018-10-01 02:10:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 1691 transitions. [2018-10-01 02:10:19,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-01 02:10:19,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:10:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:10:21,408 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 2652 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:10:29,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:10:29,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 316 states and 1748 transitions. [2018-10-01 02:10:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 1748 transitions. [2018-10-01 02:10:29,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-01 02:10:29,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:10:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:10:31,174 INFO L134 CoverageAnalysis]: Checked inductivity of 5408 backedges. 2756 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:10:39,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:10:39,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 318 states and 1750 transitions. [2018-10-01 02:10:39,635 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 1750 transitions. [2018-10-01 02:10:39,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-01 02:10:39,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:10:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:10:41,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5512 backedges. 2756 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:10:49,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:10:49,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 322 states and 1808 transitions. [2018-10-01 02:10:49,797 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 1808 transitions. [2018-10-01 02:10:49,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-01 02:10:49,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:10:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:10:51,356 INFO L134 CoverageAnalysis]: Checked inductivity of 5618 backedges. 2862 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:11:00,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:11:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 324 states and 1810 transitions. [2018-10-01 02:11:00,274 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1810 transitions. [2018-10-01 02:11:00,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-10-01 02:11:00,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:11:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:11:01,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 2862 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:11:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:11:10,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 328 states and 1869 transitions. [2018-10-01 02:11:10,522 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 1869 transitions. [2018-10-01 02:11:10,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-10-01 02:11:10,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:11:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:11:12,108 INFO L134 CoverageAnalysis]: Checked inductivity of 5832 backedges. 2970 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:11:21,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:11:21,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 330 states and 1871 transitions. [2018-10-01 02:11:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1871 transitions. [2018-10-01 02:11:21,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-01 02:11:21,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:11:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:11:23,026 INFO L134 CoverageAnalysis]: Checked inductivity of 5940 backedges. 2970 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:11:31,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:11:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 334 states and 1931 transitions. [2018-10-01 02:11:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1931 transitions. [2018-10-01 02:11:31,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-01 02:11:31,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:11:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:11:33,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6050 backedges. 3080 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:11:42,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:11:42,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 336 states and 1933 transitions. [2018-10-01 02:11:42,640 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1933 transitions. [2018-10-01 02:11:42,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-01 02:11:42,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:11:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:11:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3080 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:11:53,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:11:53,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 340 states and 1994 transitions. [2018-10-01 02:11:53,578 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 1994 transitions. [2018-10-01 02:11:53,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-01 02:11:53,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:11:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:11:55,200 INFO L134 CoverageAnalysis]: Checked inductivity of 6272 backedges. 3192 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:12:04,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:12:04,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1996 states to 342 states and 1996 transitions. [2018-10-01 02:12:04,595 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 1996 transitions. [2018-10-01 02:12:04,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-01 02:12:04,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:12:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:12:06,314 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 3192 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:12:15,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:12:15,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 346 states and 2058 transitions. [2018-10-01 02:12:15,556 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 2058 transitions. [2018-10-01 02:12:15,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-01 02:12:15,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:12:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:12:17,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6498 backedges. 3306 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:12:26,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:12:26,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 348 states and 2060 transitions. [2018-10-01 02:12:26,699 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 2060 transitions. [2018-10-01 02:12:26,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-01 02:12:26,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:12:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:12:28,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 3306 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:12:37,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:12:37,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 352 states and 2123 transitions. [2018-10-01 02:12:37,699 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 2123 transitions. [2018-10-01 02:12:37,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-01 02:12:37,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:12:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:12:39,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6728 backedges. 3422 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:12:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:12:49,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 354 states and 2125 transitions. [2018-10-01 02:12:49,170 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 2125 transitions. [2018-10-01 02:12:49,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-01 02:12:49,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:12:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:12:51,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 3422 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:13:00,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:13:00,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 358 states and 2189 transitions. [2018-10-01 02:13:00,656 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 2189 transitions. [2018-10-01 02:13:00,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-10-01 02:13:00,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:13:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:13:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6962 backedges. 3540 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:13:12,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:13:12,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 360 states and 2191 transitions. [2018-10-01 02:13:12,145 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 2191 transitions. [2018-10-01 02:13:12,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-10-01 02:13:12,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:13:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:13:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 3540 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:13:23,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:13:23,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 364 states and 2256 transitions. [2018-10-01 02:13:23,689 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 2256 transitions. [2018-10-01 02:13:23,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-01 02:13:23,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:13:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:13:25,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7200 backedges. 3660 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:13:35,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:13:35,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 366 states and 2258 transitions. [2018-10-01 02:13:35,433 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 2258 transitions. [2018-10-01 02:13:35,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-01 02:13:35,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:13:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:13:37,433 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3660 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:13:47,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:13:47,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 370 states and 2324 transitions. [2018-10-01 02:13:47,263 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 2324 transitions. [2018-10-01 02:13:47,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-10-01 02:13:47,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:13:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:13:49,057 INFO L134 CoverageAnalysis]: Checked inductivity of 7442 backedges. 3782 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:13:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:13:59,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2326 states to 372 states and 2326 transitions. [2018-10-01 02:13:59,165 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 2326 transitions. [2018-10-01 02:13:59,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-01 02:13:59,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:13:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:14:00,879 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 3782 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:14:10,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:14:10,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 376 states and 2393 transitions. [2018-10-01 02:14:10,756 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 2393 transitions. [2018-10-01 02:14:10,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-01 02:14:10,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:14:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:14:13,034 INFO L134 CoverageAnalysis]: Checked inductivity of 7688 backedges. 3906 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-01 02:14:22,555 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-01 02:14:22,558 INFO L168 Benchmark]: Toolchain (without parser) took 771473.20 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 744.4 MB in the end (delta: 717.6 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-10-01 02:14:22,559 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 02:14:22,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.42 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 02:14:22,559 INFO L168 Benchmark]: Boogie Preprocessor took 24.57 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 02:14:22,560 INFO L168 Benchmark]: RCFGBuilder took 346.17 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 02:14:22,560 INFO L168 Benchmark]: CodeCheck took 771054.83 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 744.4 MB in the end (delta: 696.5 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2018-10-01 02:14:22,563 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1979 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.42 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 24.57 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 346.17 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 771054.83 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 744.4 MB in the end (delta: 696.5 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/down.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-01_02-14-22-573.csv Completed graceful shutdown