java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 03:36:49,968 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 03:36:49,970 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 03:36:49,982 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 03:36:49,982 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 03:36:49,983 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 03:36:49,985 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 03:36:49,988 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 03:36:49,990 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 03:36:49,991 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 03:36:49,992 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 03:36:49,992 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 03:36:49,993 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 03:36:49,994 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 03:36:49,995 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 03:36:49,996 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 03:36:49,997 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 03:36:49,998 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 03:36:50,001 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 03:36:50,003 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 03:36:50,012 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 03:36:50,013 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 03:36:50,019 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 03:36:50,019 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 03:36:50,019 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 03:36:50,022 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 03:36:50,024 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 03:36:50,024 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 03:36:50,025 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 03:36:50,028 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 03:36:50,028 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 03:36:50,030 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 03:36:50,030 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 03:36:50,031 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 03:36:50,034 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 03:36:50,035 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 03:36:50,035 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-01 03:36:50,068 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 03:36:50,068 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 03:36:50,069 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 03:36:50,071 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 03:36:50,072 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 03:36:50,072 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 03:36:50,072 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 03:36:50,072 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 03:36:50,073 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 03:36:50,074 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 03:36:50,074 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 03:36:50,074 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 03:36:50,074 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 03:36:50,074 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 03:36:50,075 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 03:36:50,075 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 03:36:50,075 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 03:36:50,075 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 03:36:50,077 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 03:36:50,077 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-01 03:36:50,077 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 03:36:50,077 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 03:36:50,077 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 03:36:50,078 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 03:36:50,078 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 03:36:50,078 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 03:36:50,078 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 03:36:50,079 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 03:36:50,079 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 03:36:50,079 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 03:36:50,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 03:36:50,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 03:36:50,148 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 03:36:50,149 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 03:36:50,150 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 03:36:50,151 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl [2018-10-01 03:36:50,151 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl' [2018-10-01 03:36:50,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 03:36:50,231 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 03:36:50,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 03:36:50,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 03:36:50,233 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 03:36:50,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:36:50" (1/1) ... [2018-10-01 03:36:50,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:36:50" (1/1) ... [2018-10-01 03:36:50,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 03:36:50,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 03:36:50,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 03:36:50,278 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 03:36:50,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:36:50" (1/1) ... [2018-10-01 03:36:50,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:36:50" (1/1) ... [2018-10-01 03:36:50,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:36:50" (1/1) ... [2018-10-01 03:36:50,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:36:50" (1/1) ... [2018-10-01 03:36:50,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:36:50" (1/1) ... [2018-10-01 03:36:50,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:36:50" (1/1) ... [2018-10-01 03:36:50,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:36:50" (1/1) ... [2018-10-01 03:36:50,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 03:36:50,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 03:36:50,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 03:36:50,312 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 03:36:50,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 03:36:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 03:36:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-01 03:36:50,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-01 03:36:50,720 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-01 03:36:50,721 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:36:50 BoogieIcfgContainer [2018-10-01 03:36:50,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 03:36:50,722 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 03:36:50,722 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 03:36:50,735 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 03:36:50,735 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 03:36:50" (1/1) ... [2018-10-01 03:36:50,751 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-01 03:36:50,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:36:50,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-01 03:36:50,784 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-01 03:36:50,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 03:36:50,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:36:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:36:51,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:36:51,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:36:51,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2018-10-01 03:36:51,863 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2018-10-01 03:36:51,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 03:36:51,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:36:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:36:51,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:36:53,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:36:53,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2018-10-01 03:36:53,293 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2018-10-01 03:36:53,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 03:36:53,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:36:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:36:53,461 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 03:36:54,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:36:54,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-10-01 03:36:54,532 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-10-01 03:36:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 03:36:54,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:36:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:36:54,624 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 03:36:55,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:36:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2018-10-01 03:36:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2018-10-01 03:36:55,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 03:36:55,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:36:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:36:55,941 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 03:36:57,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:36:57,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-10-01 03:36:57,829 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-10-01 03:36:57,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 03:36:57,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:36:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:36:57,960 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 03:36:59,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:36:59,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2018-10-01 03:36:59,022 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2018-10-01 03:36:59,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 03:36:59,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:36:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:36:59,427 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 03:37:01,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-10-01 03:37:01,322 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-10-01 03:37:01,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 03:37:01,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:01,735 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 03:37:03,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:03,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2018-10-01 03:37:03,344 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2018-10-01 03:37:03,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 03:37:03,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:03,497 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 03:37:05,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:05,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2018-10-01 03:37:05,311 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2018-10-01 03:37:05,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 03:37:05,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:05,567 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 03:37:06,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:06,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2018-10-01 03:37:06,815 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2018-10-01 03:37:06,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 03:37:06,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:06,966 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 03:37:08,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:08,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2018-10-01 03:37:08,472 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2018-10-01 03:37:08,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 03:37:08,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:08,725 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 03:37:10,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:10,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2018-10-01 03:37:10,686 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2018-10-01 03:37:10,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 03:37:10,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:11,069 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 03:37:13,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:13,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2018-10-01 03:37:13,828 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2018-10-01 03:37:13,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 03:37:13,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:14,100 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 03:37:16,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:16,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2018-10-01 03:37:16,221 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2018-10-01 03:37:16,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 03:37:16,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:16,649 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 03:37:18,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:18,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 57 states and 68 transitions. [2018-10-01 03:37:18,788 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2018-10-01 03:37:18,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 03:37:18,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:19,096 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 03:37:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:20,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 59 states and 70 transitions. [2018-10-01 03:37:20,886 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions. [2018-10-01 03:37:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 03:37:20,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:21,791 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 03:37:23,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:23,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 63 states and 75 transitions. [2018-10-01 03:37:23,965 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2018-10-01 03:37:23,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 03:37:23,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:24,320 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 03:37:26,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:26,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 65 states and 77 transitions. [2018-10-01 03:37:26,355 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2018-10-01 03:37:26,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 03:37:26,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:26,851 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 03:37:29,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:29,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 69 states and 82 transitions. [2018-10-01 03:37:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2018-10-01 03:37:29,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 03:37:29,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:29,582 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 03:37:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:31,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2018-10-01 03:37:31,821 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2018-10-01 03:37:31,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 03:37:31,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:32,124 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 03:37:34,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 75 states and 89 transitions. [2018-10-01 03:37:34,806 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 89 transitions. [2018-10-01 03:37:34,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 03:37:34,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:35,250 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 03:37:37,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:37,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 77 states and 91 transitions. [2018-10-01 03:37:37,742 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2018-10-01 03:37:37,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 03:37:37,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:38,351 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 03:37:41,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2018-10-01 03:37:41,214 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2018-10-01 03:37:41,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 03:37:41,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:41,824 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 03:37:44,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2018-10-01 03:37:44,879 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2018-10-01 03:37:44,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 03:37:44,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:45,131 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 03:37:48,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:48,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 87 states and 103 transitions. [2018-10-01 03:37:48,359 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2018-10-01 03:37:48,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 03:37:48,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:49,577 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 03:37:52,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 89 states and 105 transitions. [2018-10-01 03:37:52,623 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2018-10-01 03:37:52,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 03:37:52,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:53,606 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 03:37:56,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:37:56,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2018-10-01 03:37:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2018-10-01 03:37:56,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 03:37:56,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:37:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:37:57,441 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 03:38:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:38:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2018-10-01 03:38:00,964 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2018-10-01 03:38:00,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 03:38:00,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:38:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:01,270 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 03:38:05,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:38:05,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 99 states and 117 transitions. [2018-10-01 03:38:05,068 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 117 transitions. [2018-10-01 03:38:05,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 03:38:05,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:38:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:05,647 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 03:38:09,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:38:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 101 states and 119 transitions. [2018-10-01 03:38:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 119 transitions. [2018-10-01 03:38:09,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 03:38:09,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:38:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:09,845 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 03:38:14,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:38:14,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 105 states and 124 transitions. [2018-10-01 03:38:14,124 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2018-10-01 03:38:14,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 03:38:14,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:38:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:14,903 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 03:38:18,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:38:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 107 states and 126 transitions. [2018-10-01 03:38:18,733 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2018-10-01 03:38:18,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 03:38:18,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:38:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:19,332 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 03:38:23,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:38:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 111 states and 131 transitions. [2018-10-01 03:38:23,723 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2018-10-01 03:38:23,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 03:38:23,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:38:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:24,422 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 03:38:28,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:38:28,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2018-10-01 03:38:28,731 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2018-10-01 03:38:28,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 03:38:28,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:38:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:29,361 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 03:38:34,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:38:34,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 117 states and 138 transitions. [2018-10-01 03:38:34,451 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2018-10-01 03:38:34,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 03:38:34,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:38:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:35,121 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 03:38:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:38:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 119 states and 140 transitions. [2018-10-01 03:38:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 140 transitions. [2018-10-01 03:38:39,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 03:38:39,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:38:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:40,383 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 03:38:45,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:38:45,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 123 states and 145 transitions. [2018-10-01 03:38:45,595 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2018-10-01 03:38:45,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 03:38:45,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:38:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:46,369 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 03:38:51,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:38:51,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 125 states and 147 transitions. [2018-10-01 03:38:51,406 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-10-01 03:38:51,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-01 03:38:51,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:38:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:51,981 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 03:38:57,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:38:57,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 129 states and 152 transitions. [2018-10-01 03:38:57,667 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2018-10-01 03:38:57,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-01 03:38:57,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:38:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:38:58,722 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 03:39:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:39:04,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 131 states and 154 transitions. [2018-10-01 03:39:04,155 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2018-10-01 03:39:04,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-01 03:39:04,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:39:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:39:04,676 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 03:39:10,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:39:10,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 135 states and 159 transitions. [2018-10-01 03:39:10,796 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 159 transitions. [2018-10-01 03:39:10,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-01 03:39:10,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:39:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:39:12,325 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 03:39:18,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:39:18,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 137 states and 161 transitions. [2018-10-01 03:39:18,101 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2018-10-01 03:39:18,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-01 03:39:18,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:39:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:39:18,606 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 03:39:25,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:39:25,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 141 states and 166 transitions. [2018-10-01 03:39:25,083 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2018-10-01 03:39:25,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-01 03:39:25,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:39:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:39:26,254 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 03:39:32,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:39:32,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 143 states and 168 transitions. [2018-10-01 03:39:32,526 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-10-01 03:39:32,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-01 03:39:32,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:39:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:39:33,567 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 03:39:44,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:39:44,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 147 states and 173 transitions. [2018-10-01 03:39:44,275 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 173 transitions. [2018-10-01 03:39:44,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-01 03:39:44,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:39:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:39:45,350 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 03:39:52,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:39:52,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 149 states and 175 transitions. [2018-10-01 03:39:52,108 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 175 transitions. [2018-10-01 03:39:52,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-01 03:39:52,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:39:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:39:52,677 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 03:39:59,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:39:59,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 153 states and 180 transitions. [2018-10-01 03:39:59,931 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2018-10-01 03:39:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-01 03:39:59,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:39:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:40:00,838 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 03:40:07,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:40:07,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 155 states and 182 transitions. [2018-10-01 03:40:07,981 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 182 transitions. [2018-10-01 03:40:07,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-01 03:40:07,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:40:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:40:08,662 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 03:40:16,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:40:16,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 159 states and 187 transitions. [2018-10-01 03:40:16,564 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 187 transitions. [2018-10-01 03:40:16,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-01 03:40:16,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:40:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:40:18,007 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 03:40:25,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:40:25,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 161 states and 189 transitions. [2018-10-01 03:40:25,608 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 189 transitions. [2018-10-01 03:40:25,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-01 03:40:25,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:40:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:40:26,256 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 03:40:34,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:40:34,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 165 states and 194 transitions. [2018-10-01 03:40:34,671 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 194 transitions. [2018-10-01 03:40:34,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-01 03:40:34,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:40:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:40:35,951 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 03:40:44,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:40:44,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 167 states and 196 transitions. [2018-10-01 03:40:44,034 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 196 transitions. [2018-10-01 03:40:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-01 03:40:44,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:40:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:40:44,673 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 03:40:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:40:53,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 171 states and 201 transitions. [2018-10-01 03:40:53,693 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 201 transitions. [2018-10-01 03:40:53,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-01 03:40:53,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:40:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:40:54,902 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 03:41:03,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:41:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 173 states and 203 transitions. [2018-10-01 03:41:03,516 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 203 transitions. [2018-10-01 03:41:03,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-01 03:41:03,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:41:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:41:04,230 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 03:41:13,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:41:13,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 177 states and 208 transitions. [2018-10-01 03:41:13,725 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 208 transitions. [2018-10-01 03:41:13,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-01 03:41:13,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:41:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:41:14,788 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 03:41:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:41:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 179 states and 210 transitions. [2018-10-01 03:41:23,918 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 210 transitions. [2018-10-01 03:41:23,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-01 03:41:23,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:41:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:41:24,542 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 03:41:34,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:41:34,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 183 states and 215 transitions. [2018-10-01 03:41:34,457 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 215 transitions. [2018-10-01 03:41:34,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-01 03:41:34,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:41:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:41:35,801 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 03:41:45,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:41:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 185 states and 217 transitions. [2018-10-01 03:41:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 217 transitions. [2018-10-01 03:41:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-01 03:41:45,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:41:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:41:46,089 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 03:41:56,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:41:56,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 189 states and 222 transitions. [2018-10-01 03:41:56,846 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 222 transitions. [2018-10-01 03:41:56,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-01 03:41:56,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:41:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:41:58,017 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 03:42:08,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:42:08,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 191 states and 224 transitions. [2018-10-01 03:42:08,327 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 224 transitions. [2018-10-01 03:42:08,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-01 03:42:08,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:42:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:42:08,962 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 03:42:20,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:42:20,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 195 states and 229 transitions. [2018-10-01 03:42:20,437 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 229 transitions. [2018-10-01 03:42:20,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-01 03:42:20,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:42:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:42:21,672 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 03:42:32,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:42:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 197 states and 231 transitions. [2018-10-01 03:42:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 231 transitions. [2018-10-01 03:42:32,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-01 03:42:32,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:42:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:42:33,496 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 03:42:45,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:42:45,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 201 states and 236 transitions. [2018-10-01 03:42:45,538 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 236 transitions. [2018-10-01 03:42:45,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-01 03:42:45,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:42:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:42:46,836 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 03:42:58,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:42:58,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 203 states and 238 transitions. [2018-10-01 03:42:58,430 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 238 transitions. [2018-10-01 03:42:58,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-01 03:42:58,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:42:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:42:59,152 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 03:43:11,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:43:11,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 207 states and 243 transitions. [2018-10-01 03:43:11,838 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 243 transitions. [2018-10-01 03:43:11,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-01 03:43:11,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:43:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:43:13,204 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 03:43:25,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:43:25,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 209 states and 245 transitions. [2018-10-01 03:43:25,432 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 245 transitions. [2018-10-01 03:43:25,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-01 03:43:25,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:43:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:43:26,257 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 03:43:39,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:43:39,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 213 states and 250 transitions. [2018-10-01 03:43:39,678 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 250 transitions. [2018-10-01 03:43:39,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-01 03:43:39,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:43:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:43:41,037 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 03:43:53,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:43:53,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 215 states and 252 transitions. [2018-10-01 03:43:53,917 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 252 transitions. [2018-10-01 03:43:53,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-01 03:43:53,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:43:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:43:54,715 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 03:44:08,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:44:08,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 219 states and 257 transitions. [2018-10-01 03:44:08,679 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 257 transitions. [2018-10-01 03:44:08,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-01 03:44:08,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:44:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:44:10,153 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 03:44:23,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:44:23,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 221 states and 259 transitions. [2018-10-01 03:44:23,726 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 259 transitions. [2018-10-01 03:44:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-01 03:44:23,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:44:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:44:24,532 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 03:44:39,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:44:39,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 225 states and 264 transitions. [2018-10-01 03:44:39,134 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 264 transitions. [2018-10-01 03:44:39,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-01 03:44:39,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:44:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:44:40,678 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 03:44:54,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:44:54,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 227 states and 266 transitions. [2018-10-01 03:44:54,745 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 266 transitions. [2018-10-01 03:44:54,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-01 03:44:54,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:44:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:44:55,595 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 03:45:11,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:45:11,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 231 states and 271 transitions. [2018-10-01 03:45:11,134 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 271 transitions. [2018-10-01 03:45:11,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-01 03:45:11,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:45:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:45:12,716 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 03:45:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:45:27,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 233 states and 273 transitions. [2018-10-01 03:45:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 273 transitions. [2018-10-01 03:45:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-01 03:45:27,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:45:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:45:28,449 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 03:45:44,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:45:44,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 237 states and 278 transitions. [2018-10-01 03:45:44,897 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 278 transitions. [2018-10-01 03:45:44,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-01 03:45:44,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:45:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:45:46,525 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 03:46:02,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:46:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 239 states and 280 transitions. [2018-10-01 03:46:02,095 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 280 transitions. [2018-10-01 03:46:02,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-01 03:46:02,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:46:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:46:03,079 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 03:46:19,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:46:19,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 243 states and 285 transitions. [2018-10-01 03:46:19,998 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 285 transitions. [2018-10-01 03:46:19,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-01 03:46:19,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:46:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:46:21,770 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 03:46:38,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:46:38,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 245 states and 287 transitions. [2018-10-01 03:46:38,157 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 287 transitions. [2018-10-01 03:46:38,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-01 03:46:38,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:46:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:46:39,106 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 03:46:57,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:46:57,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 249 states and 292 transitions. [2018-10-01 03:46:57,049 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 292 transitions. [2018-10-01 03:46:57,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-01 03:46:57,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:46:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:46:58,872 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 03:47:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:47:16,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 251 states and 294 transitions. [2018-10-01 03:47:16,055 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 294 transitions. [2018-10-01 03:47:16,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-01 03:47:16,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:47:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:47:17,087 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 03:47:35,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:47:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 255 states and 299 transitions. [2018-10-01 03:47:35,845 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 299 transitions. [2018-10-01 03:47:35,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-01 03:47:35,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:47:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:47:37,733 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 03:47:55,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:47:55,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 257 states and 301 transitions. [2018-10-01 03:47:55,735 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 301 transitions. [2018-10-01 03:47:55,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-01 03:47:55,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:47:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:47:56,794 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 03:48:16,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:48:16,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 261 states and 306 transitions. [2018-10-01 03:48:16,340 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 306 transitions. [2018-10-01 03:48:16,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-01 03:48:16,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:48:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:48:18,559 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 03:48:37,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:48:37,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 263 states and 308 transitions. [2018-10-01 03:48:37,314 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 308 transitions. [2018-10-01 03:48:37,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-01 03:48:37,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:48:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:48:38,432 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 03:48:59,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:48:59,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 267 states and 313 transitions. [2018-10-01 03:48:59,141 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 313 transitions. [2018-10-01 03:48:59,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-01 03:48:59,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:48:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:49:01,115 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 03:49:20,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:49:20,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 269 states and 315 transitions. [2018-10-01 03:49:20,780 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 315 transitions. [2018-10-01 03:49:20,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-01 03:49:20,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:49:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:49:21,903 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 03:49:43,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:49:43,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 273 states and 320 transitions. [2018-10-01 03:49:43,140 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 320 transitions. [2018-10-01 03:49:43,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-01 03:49:43,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:49:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:49:45,286 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 03:50:05,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:50:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 275 states and 322 transitions. [2018-10-01 03:50:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 322 transitions. [2018-10-01 03:50:05,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-01 03:50:05,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:50:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:50:07,022 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 03:50:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:50:29,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 279 states and 327 transitions. [2018-10-01 03:50:29,069 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 327 transitions. [2018-10-01 03:50:29,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-01 03:50:29,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:50:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:50:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4050 backedges. 2070 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown