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/toy/tooDifficultLoopInvariant/Sandman01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:25:53,735 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:25:53,737 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:25:53,749 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:25:53,750 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:25:53,751 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:25:53,752 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:25:53,754 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:25:53,756 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:25:53,757 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:25:53,758 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:25:53,758 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:25:53,759 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:25:53,760 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:25:53,761 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:25:53,762 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:25:53,763 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:25:53,765 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:25:53,767 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:25:53,769 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:25:53,770 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:25:53,771 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:25:53,774 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:25:53,774 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:25:53,774 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:25:53,776 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:25:53,777 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:25:53,777 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:25:53,778 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:25:53,780 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:25:53,780 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:25:53,781 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:25:53,781 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:25:53,781 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:25:53,782 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:25:53,783 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:25:53,784 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 [2018-09-30 21:25:53,800 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:25:53,800 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:25:53,801 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:25:53,801 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:25:53,802 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:25:53,802 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:25:53,802 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:25:53,803 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:25:53,803 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:25:53,803 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:25:53,803 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:25:53,804 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:25:53,804 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:25:53,804 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:25:53,804 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:25:53,804 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:25:53,804 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:25:53,805 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:25:53,805 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:25:53,805 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:25:53,805 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:25:53,806 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:25:53,806 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:25:53,806 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:25:53,806 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:25:53,806 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:25:53,807 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:25:53,807 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:25:53,807 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:25:53,850 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:25:53,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:25:53,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:25:53,870 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:25:53,870 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:25:53,871 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Sandman01.bpl [2018-09-30 21:25:53,872 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Sandman01.bpl' [2018-09-30 21:25:53,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:25:53,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:25:53,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:25:53,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:25:53,927 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:25:53,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:25:53" (1/1) ... [2018-09-30 21:25:53,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:25:53" (1/1) ... [2018-09-30 21:25:53,969 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 21:25:53,969 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 21:25:53,970 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 21:25:53,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:25:53,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:25:53,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:25:53,973 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:25:53,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:25:53" (1/1) ... [2018-09-30 21:25:53,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:25:53" (1/1) ... [2018-09-30 21:25:53,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:25:53" (1/1) ... [2018-09-30 21:25:53,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:25:53" (1/1) ... [2018-09-30 21:25:53,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:25:53" (1/1) ... [2018-09-30 21:25:53,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:25:53" (1/1) ... [2018-09-30 21:25:53,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:25:53" (1/1) ... [2018-09-30 21:25:53,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:25:53,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:25:53,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:25:53,997 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:25:53,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:25:53" (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 [2018-09-30 21:25:54,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-30 21:25:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-30 21:25:54,080 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-30 21:25:54,261 INFO L345 CfgBuilder]: Using library mode [2018-09-30 21:25:54,262 INFO L202 PluginConnector]: Adding new model Sandman01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:25:54 BoogieIcfgContainer [2018-09-30 21:25:54,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:25:54,263 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:25:54,263 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:25:54,274 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:25:54,275 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:25:54" (1/1) ... [2018-09-30 21:25:54,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 21:25:54,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:25:54,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-09-30 21:25:54,329 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-30 21:25:54,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 21:25:54,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:25:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:25:54,644 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 8 [2018-09-30 21:25:54,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:25:54,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:25:54,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-09-30 21:25:54,787 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-09-30 21:25:54,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:25:54,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:25:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:25:54,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:25:55,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:25:55,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 8 states and 14 transitions. [2018-09-30 21:25:55,199 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 14 transitions. [2018-09-30 21:25:55,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:25:55,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:25:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:25:55,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:25:55,761 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-30 21:25:55,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:25:55,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 9 states and 17 transitions. [2018-09-30 21:25:55,883 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 17 transitions. [2018-09-30 21:25:55,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:25:55,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:25:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:25:55,991 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:25:56,315 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 13 [2018-09-30 21:25:56,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:25:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 10 states and 19 transitions. [2018-09-30 21:25:56,483 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 19 transitions. [2018-09-30 21:25:56,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:25:56,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:25:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:25:56,623 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:25:56,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:25:56,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 11 states and 21 transitions. [2018-09-30 21:25:56,862 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 21 transitions. [2018-09-30 21:25:56,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:25:56,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:25:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:25:57,035 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:25:57,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:25:57,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 12 states and 23 transitions. [2018-09-30 21:25:57,317 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 23 transitions. [2018-09-30 21:25:57,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:25:57,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:25:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:25:57,431 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:25:57,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:25:57,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 13 states and 25 transitions. [2018-09-30 21:25:57,630 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 25 transitions. [2018-09-30 21:25:57,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:25:57,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:25:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:25:57,766 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:25:58,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:25:58,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 14 states and 27 transitions. [2018-09-30 21:25:58,032 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 27 transitions. [2018-09-30 21:25:58,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:25:58,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:25:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:25:58,277 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:25:58,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:25:58,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 15 states and 29 transitions. [2018-09-30 21:25:58,508 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 29 transitions. [2018-09-30 21:25:58,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:25:58,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:25:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:25:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:25:58,927 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-09-30 21:25:59,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:25:59,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 16 states and 31 transitions. [2018-09-30 21:25:59,074 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 31 transitions. [2018-09-30 21:25:59,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:25:59,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:25:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:25:59,271 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:25:59,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:25:59,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 17 states and 33 transitions. [2018-09-30 21:25:59,664 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 33 transitions. [2018-09-30 21:25:59,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:25:59,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:25:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:25:59,830 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:00,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:00,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2018-09-30 21:26:00,193 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2018-09-30 21:26:00,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 21:26:00,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:00,448 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:00,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:00,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 19 states and 37 transitions. [2018-09-30 21:26:00,752 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 37 transitions. [2018-09-30 21:26:00,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:26:00,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:00,927 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:01,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 20 states and 39 transitions. [2018-09-30 21:26:01,459 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 39 transitions. [2018-09-30 21:26:01,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:26:01,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:01,641 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:01,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:01,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 21 states and 41 transitions. [2018-09-30 21:26:01,926 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 41 transitions. [2018-09-30 21:26:01,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:26:01,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:02,395 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:03,260 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-30 21:26:03,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 22 states and 43 transitions. [2018-09-30 21:26:03,324 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 43 transitions. [2018-09-30 21:26:03,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 21:26:03,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:03,490 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:04,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:04,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 23 states and 45 transitions. [2018-09-30 21:26:04,338 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 45 transitions. [2018-09-30 21:26:04,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:26:04,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:05,013 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:05,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:05,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 24 states and 47 transitions. [2018-09-30 21:26:05,370 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 47 transitions. [2018-09-30 21:26:05,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 21:26:05,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:06,014 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:06,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 25 states and 49 transitions. [2018-09-30 21:26:06,345 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 49 transitions. [2018-09-30 21:26:06,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:26:06,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:06,647 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:06,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:06,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 26 states and 51 transitions. [2018-09-30 21:26:06,988 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 51 transitions. [2018-09-30 21:26:06,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 21:26:06,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:07,413 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:07,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 27 states and 53 transitions. [2018-09-30 21:26:07,800 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 53 transitions. [2018-09-30 21:26:07,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:26:07,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:08,090 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:08,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 28 states and 55 transitions. [2018-09-30 21:26:08,551 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 55 transitions. [2018-09-30 21:26:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 21:26:08,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:08,728 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:09,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:09,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 29 states and 57 transitions. [2018-09-30 21:26:09,318 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 57 transitions. [2018-09-30 21:26:09,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:26:09,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:09,656 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:10,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:10,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 59 transitions. [2018-09-30 21:26:10,124 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 59 transitions. [2018-09-30 21:26:10,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 21:26:10,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:10,768 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:11,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 31 states and 61 transitions. [2018-09-30 21:26:11,099 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 61 transitions. [2018-09-30 21:26:11,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:26:11,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:11,472 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:11,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:11,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 32 states and 63 transitions. [2018-09-30 21:26:11,814 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 63 transitions. [2018-09-30 21:26:11,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 21:26:11,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:12,089 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:12,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:12,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2018-09-30 21:26:12,487 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2018-09-30 21:26:12,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:26:12,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:13,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 34 states and 67 transitions. [2018-09-30 21:26:13,239 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 67 transitions. [2018-09-30 21:26:13,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 21:26:13,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:13,653 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:14,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:14,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 35 states and 69 transitions. [2018-09-30 21:26:14,029 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 69 transitions. [2018-09-30 21:26:14,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:26:14,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:14,271 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:14,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:14,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 71 transitions. [2018-09-30 21:26:14,812 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 71 transitions. [2018-09-30 21:26:14,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 21:26:14,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:15,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:15,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 37 states and 73 transitions. [2018-09-30 21:26:15,773 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 73 transitions. [2018-09-30 21:26:15,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:26:15,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:16,122 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:16,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:16,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 75 transitions. [2018-09-30 21:26:16,856 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 75 transitions. [2018-09-30 21:26:16,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 21:26:16,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:17,106 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:17,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 77 transitions. [2018-09-30 21:26:17,574 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2018-09-30 21:26:17,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:26:17,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:18,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:18,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2018-09-30 21:26:18,395 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2018-09-30 21:26:18,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 21:26:18,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:18,767 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:19,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 41 states and 81 transitions. [2018-09-30 21:26:19,315 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 81 transitions. [2018-09-30 21:26:19,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:26:19,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:20,101 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:20,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 83 transitions. [2018-09-30 21:26:20,540 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 83 transitions. [2018-09-30 21:26:20,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 21:26:20,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:20,975 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:21,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:21,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2018-09-30 21:26:21,425 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2018-09-30 21:26:21,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:26:21,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:21,693 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:22,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 87 transitions. [2018-09-30 21:26:22,258 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 87 transitions. [2018-09-30 21:26:22,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 21:26:22,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:22,517 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:23,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:23,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 45 states and 89 transitions. [2018-09-30 21:26:23,075 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 89 transitions. [2018-09-30 21:26:23,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:26:23,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:23,409 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:24,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:24,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 91 transitions. [2018-09-30 21:26:24,024 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 91 transitions. [2018-09-30 21:26:24,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 21:26:24,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:24,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:24,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 93 transitions. [2018-09-30 21:26:24,792 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 93 transitions. [2018-09-30 21:26:24,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:26:24,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:25,232 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:25,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:25,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 48 states and 95 transitions. [2018-09-30 21:26:25,774 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2018-09-30 21:26:25,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 21:26:25,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:26,073 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:26,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:26,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 97 transitions. [2018-09-30 21:26:26,612 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 97 transitions. [2018-09-30 21:26:26,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:26:26,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:27,700 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:28,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:28,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 99 transitions. [2018-09-30 21:26:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 99 transitions. [2018-09-30 21:26:28,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 21:26:28,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:28,528 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:29,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:29,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 51 states and 101 transitions. [2018-09-30 21:26:29,190 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2018-09-30 21:26:29,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:26:29,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:30,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:30,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 52 states and 103 transitions. [2018-09-30 21:26:30,519 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 103 transitions. [2018-09-30 21:26:30,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:26:30,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:32,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:32,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 105 transitions. [2018-09-30 21:26:32,038 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2018-09-30 21:26:32,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:26:32,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:32,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:33,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:33,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 54 states and 107 transitions. [2018-09-30 21:26:33,159 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 107 transitions. [2018-09-30 21:26:33,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:26:33,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:33,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:34,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 55 states and 109 transitions. [2018-09-30 21:26:34,297 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 109 transitions. [2018-09-30 21:26:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:26:34,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:34,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:35,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:35,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 111 transitions. [2018-09-30 21:26:35,643 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 111 transitions. [2018-09-30 21:26:35,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 21:26:35,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:36,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:36,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:36,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 113 transitions. [2018-09-30 21:26:36,682 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 113 transitions. [2018-09-30 21:26:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:26:36,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:37,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:37,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:37,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 115 transitions. [2018-09-30 21:26:37,770 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 115 transitions. [2018-09-30 21:26:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-30 21:26:37,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:38,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 59 states and 117 transitions. [2018-09-30 21:26:38,680 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 117 transitions. [2018-09-30 21:26:38,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:26:38,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:39,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:39,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 60 states and 119 transitions. [2018-09-30 21:26:39,655 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 119 transitions. [2018-09-30 21:26:39,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 21:26:39,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:40,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:41,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:41,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 121 transitions. [2018-09-30 21:26:41,098 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 121 transitions. [2018-09-30 21:26:41,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 21:26:41,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:42,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:42,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 62 states and 123 transitions. [2018-09-30 21:26:42,993 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 123 transitions. [2018-09-30 21:26:42,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-30 21:26:42,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:43,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:44,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:44,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 63 states and 125 transitions. [2018-09-30 21:26:44,044 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 125 transitions. [2018-09-30 21:26:44,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 21:26:44,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:44,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:45,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:45,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 127 transitions. [2018-09-30 21:26:45,166 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 127 transitions. [2018-09-30 21:26:45,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-30 21:26:45,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:45,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:46,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:46,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 129 transitions. [2018-09-30 21:26:46,705 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 129 transitions. [2018-09-30 21:26:46,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 21:26:46,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:48,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:48,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:48,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 66 states and 131 transitions. [2018-09-30 21:26:48,805 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 131 transitions. [2018-09-30 21:26:48,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-30 21:26:48,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:49,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:49,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:26:49,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 67 states and 133 transitions. [2018-09-30 21:26:49,979 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 133 transitions. [2018-09-30 21:26:49,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 21:26:49,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:26:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:26:50,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:26:52,015 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 11 [2018-09-30 21:26:57,861 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-09-30 21:27:01,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:01,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 135 transitions. [2018-09-30 21:27:01,034 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 135 transitions. [2018-09-30 21:27:01,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-30 21:27:01,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:01,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:02,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:02,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 69 states and 137 transitions. [2018-09-30 21:27:02,589 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 137 transitions. [2018-09-30 21:27:02,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 21:27:02,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:02,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:03,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 70 states and 139 transitions. [2018-09-30 21:27:03,731 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 139 transitions. [2018-09-30 21:27:03,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-30 21:27:03,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:04,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:04,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:04,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 71 states and 141 transitions. [2018-09-30 21:27:04,843 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 141 transitions. [2018-09-30 21:27:04,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 21:27:04,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:06,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:06,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 72 states and 143 transitions. [2018-09-30 21:27:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 143 transitions. [2018-09-30 21:27:06,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-30 21:27:06,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:06,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:07,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:07,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 73 states and 145 transitions. [2018-09-30 21:27:07,477 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 145 transitions. [2018-09-30 21:27:07,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 21:27:07,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:08,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:08,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 74 states and 147 transitions. [2018-09-30 21:27:08,949 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 147 transitions. [2018-09-30 21:27:08,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-30 21:27:08,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:09,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 75 states and 149 transitions. [2018-09-30 21:27:10,364 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 149 transitions. [2018-09-30 21:27:10,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 21:27:10,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:10,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:11,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:11,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 76 states and 151 transitions. [2018-09-30 21:27:11,867 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 151 transitions. [2018-09-30 21:27:11,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-30 21:27:11,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:12,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:13,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:13,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 77 states and 153 transitions. [2018-09-30 21:27:13,676 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 153 transitions. [2018-09-30 21:27:13,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 21:27:13,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:14,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:14,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:14,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 78 states and 155 transitions. [2018-09-30 21:27:14,924 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 155 transitions. [2018-09-30 21:27:14,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-30 21:27:14,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:16,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:16,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 79 states and 157 transitions. [2018-09-30 21:27:16,392 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 157 transitions. [2018-09-30 21:27:16,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 21:27:16,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:16,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:17,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 159 transitions. [2018-09-30 21:27:17,671 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 159 transitions. [2018-09-30 21:27:17,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-30 21:27:17,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:18,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:18,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:18,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 81 states and 161 transitions. [2018-09-30 21:27:18,965 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 161 transitions. [2018-09-30 21:27:18,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 21:27:18,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:20,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 82 states and 163 transitions. [2018-09-30 21:27:20,201 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 163 transitions. [2018-09-30 21:27:20,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-30 21:27:20,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:20,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:21,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:21,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 83 states and 165 transitions. [2018-09-30 21:27:21,605 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 165 transitions. [2018-09-30 21:27:21,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 21:27:21,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:22,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:22,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:22,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 84 states and 167 transitions. [2018-09-30 21:27:22,951 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 167 transitions. [2018-09-30 21:27:22,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-30 21:27:22,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:23,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:24,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:24,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 85 states and 169 transitions. [2018-09-30 21:27:24,331 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 169 transitions. [2018-09-30 21:27:24,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 21:27:24,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:24,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:25,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:25,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 86 states and 171 transitions. [2018-09-30 21:27:25,622 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 171 transitions. [2018-09-30 21:27:25,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-30 21:27:25,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:26,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:27,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:27,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 87 states and 173 transitions. [2018-09-30 21:27:27,111 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 173 transitions. [2018-09-30 21:27:27,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 21:27:27,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:27,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:28,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:28,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 88 states and 175 transitions. [2018-09-30 21:27:28,429 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 175 transitions. [2018-09-30 21:27:28,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-30 21:27:28,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:28,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:29,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:29,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 89 states and 177 transitions. [2018-09-30 21:27:29,891 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 177 transitions. [2018-09-30 21:27:29,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 21:27:29,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:31,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:31,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 90 states and 179 transitions. [2018-09-30 21:27:31,598 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 179 transitions. [2018-09-30 21:27:31,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-30 21:27:31,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:32,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:32,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:32,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 91 states and 181 transitions. [2018-09-30 21:27:32,980 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 181 transitions. [2018-09-30 21:27:32,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-30 21:27:32,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:33,426 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:34,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 92 states and 183 transitions. [2018-09-30 21:27:34,467 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 183 transitions. [2018-09-30 21:27:34,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-30 21:27:34,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:35,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:35,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 93 states and 185 transitions. [2018-09-30 21:27:35,880 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 185 transitions. [2018-09-30 21:27:35,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 21:27:35,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:36,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:37,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:37,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 94 states and 187 transitions. [2018-09-30 21:27:37,498 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 187 transitions. [2018-09-30 21:27:37,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-30 21:27:37,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:38,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:39,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:39,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 95 states and 189 transitions. [2018-09-30 21:27:39,144 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 189 transitions. [2018-09-30 21:27:39,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-30 21:27:39,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:39,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:40,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:40,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 96 states and 191 transitions. [2018-09-30 21:27:40,823 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 191 transitions. [2018-09-30 21:27:40,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-30 21:27:40,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:41,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:42,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:42,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 97 states and 193 transitions. [2018-09-30 21:27:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 193 transitions. [2018-09-30 21:27:42,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-30 21:27:42,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:42,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:43,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:43,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 98 states and 195 transitions. [2018-09-30 21:27:43,917 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 195 transitions. [2018-09-30 21:27:43,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-30 21:27:43,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:45,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 99 states and 197 transitions. [2018-09-30 21:27:45,452 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 197 transitions. [2018-09-30 21:27:45,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 21:27:45,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:46,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:47,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:47,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 100 states and 199 transitions. [2018-09-30 21:27:47,070 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 199 transitions. [2018-09-30 21:27:47,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-30 21:27:47,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:47,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:48,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:48,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 101 states and 201 transitions. [2018-09-30 21:27:48,629 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 201 transitions. [2018-09-30 21:27:48,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-30 21:27:48,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:49,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:50,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:50,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 102 states and 203 transitions. [2018-09-30 21:27:50,243 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 203 transitions. [2018-09-30 21:27:50,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-30 21:27:50,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:50,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:52,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:52,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 103 states and 205 transitions. [2018-09-30 21:27:52,007 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 205 transitions. [2018-09-30 21:27:52,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-30 21:27:52,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:52,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:53,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:53,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 104 states and 207 transitions. [2018-09-30 21:27:53,633 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2018-09-30 21:27:53,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-30 21:27:53,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:54,138 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:55,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:55,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 105 states and 209 transitions. [2018-09-30 21:27:55,237 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 209 transitions. [2018-09-30 21:27:55,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-30 21:27:55,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:55,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:56,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:56,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 106 states and 211 transitions. [2018-09-30 21:27:56,957 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 211 transitions. [2018-09-30 21:27:56,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-09-30 21:27:56,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:57,498 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:27:58,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:27:58,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 107 states and 213 transitions. [2018-09-30 21:27:58,632 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 213 transitions. [2018-09-30 21:27:58,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-30 21:27:58,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:27:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:27:59,180 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:00,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:00,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 108 states and 215 transitions. [2018-09-30 21:28:00,335 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 215 transitions. [2018-09-30 21:28:00,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-09-30 21:28:00,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:00,892 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:02,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 109 states and 217 transitions. [2018-09-30 21:28:02,137 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 217 transitions. [2018-09-30 21:28:02,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-30 21:28:02,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:02,761 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:03,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 110 states and 219 transitions. [2018-09-30 21:28:03,918 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 219 transitions. [2018-09-30 21:28:03,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-30 21:28:03,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:04,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:05,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:05,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 111 states and 221 transitions. [2018-09-30 21:28:05,649 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 221 transitions. [2018-09-30 21:28:05,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-30 21:28:05,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:06,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:07,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:07,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 112 states and 223 transitions. [2018-09-30 21:28:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 223 transitions. [2018-09-30 21:28:07,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-09-30 21:28:07,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:08,018 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:09,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:09,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 113 states and 225 transitions. [2018-09-30 21:28:09,219 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 225 transitions. [2018-09-30 21:28:09,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-30 21:28:09,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:09,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:11,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:11,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 114 states and 227 transitions. [2018-09-30 21:28:11,014 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 227 transitions. [2018-09-30 21:28:11,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-30 21:28:11,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:11,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:12,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:12,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 115 states and 229 transitions. [2018-09-30 21:28:12,826 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 229 transitions. [2018-09-30 21:28:12,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-30 21:28:12,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:13,533 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:14,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 116 states and 231 transitions. [2018-09-30 21:28:14,770 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 231 transitions. [2018-09-30 21:28:14,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-09-30 21:28:14,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:15,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 117 states and 233 transitions. [2018-09-30 21:28:16,727 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 233 transitions. [2018-09-30 21:28:16,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-30 21:28:16,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:18,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 118 states and 235 transitions. [2018-09-30 21:28:18,622 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 235 transitions. [2018-09-30 21:28:18,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-09-30 21:28:18,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:19,320 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:20,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:20,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 119 states and 237 transitions. [2018-09-30 21:28:20,574 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 237 transitions. [2018-09-30 21:28:20,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-30 21:28:20,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:22,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:22,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 120 states and 239 transitions. [2018-09-30 21:28:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 239 transitions. [2018-09-30 21:28:22,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-09-30 21:28:22,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:24,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:24,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 121 states and 241 transitions. [2018-09-30 21:28:24,399 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 241 transitions. [2018-09-30 21:28:24,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-30 21:28:24,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:26,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:26,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 122 states and 243 transitions. [2018-09-30 21:28:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 243 transitions. [2018-09-30 21:28:26,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-09-30 21:28:26,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:28,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:28,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 123 states and 245 transitions. [2018-09-30 21:28:28,456 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 245 transitions. [2018-09-30 21:28:28,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-30 21:28:28,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:29,125 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:30,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:30,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 124 states and 247 transitions. [2018-09-30 21:28:30,456 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 247 transitions. [2018-09-30 21:28:30,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-09-30 21:28:30,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:31,144 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:32,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:32,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 125 states and 249 transitions. [2018-09-30 21:28:32,568 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 249 transitions. [2018-09-30 21:28:32,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-30 21:28:32,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:34,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:34,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 126 states and 251 transitions. [2018-09-30 21:28:34,627 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 251 transitions. [2018-09-30 21:28:34,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-09-30 21:28:34,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:35,308 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:36,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:36,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 127 states and 253 transitions. [2018-09-30 21:28:36,678 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 253 transitions. [2018-09-30 21:28:36,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-30 21:28:36,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:37,391 INFO L134 CoverageAnalysis]: Checked inductivity of 7381 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:38,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:38,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 128 states and 255 transitions. [2018-09-30 21:28:38,982 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 255 transitions. [2018-09-30 21:28:38,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-09-30 21:28:38,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:39,690 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:41,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:41,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 129 states and 257 transitions. [2018-09-30 21:28:41,065 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 257 transitions. [2018-09-30 21:28:41,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-30 21:28:41,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:41,779 INFO L134 CoverageAnalysis]: Checked inductivity of 7626 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:43,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 130 states and 259 transitions. [2018-09-30 21:28:43,172 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 259 transitions. [2018-09-30 21:28:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-09-30 21:28:43,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:43,909 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:45,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:45,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 131 states and 261 transitions. [2018-09-30 21:28:45,315 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 261 transitions. [2018-09-30 21:28:45,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-30 21:28:45,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:47,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:47,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 132 states and 263 transitions. [2018-09-30 21:28:47,542 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 263 transitions. [2018-09-30 21:28:47,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-30 21:28:47,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:48,308 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:49,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:49,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 133 states and 265 transitions. [2018-09-30 21:28:49,756 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 265 transitions. [2018-09-30 21:28:49,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-30 21:28:49,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:50,988 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 0 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:52,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:52,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 134 states and 267 transitions. [2018-09-30 21:28:52,504 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 267 transitions. [2018-09-30 21:28:52,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-30 21:28:52,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:53,307 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:54,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:54,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 135 states and 269 transitions. [2018-09-30 21:28:54,786 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 269 transitions. [2018-09-30 21:28:54,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-30 21:28:54,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:55,591 INFO L134 CoverageAnalysis]: Checked inductivity of 8385 backedges. 0 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:57,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:57,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 136 states and 271 transitions. [2018-09-30 21:28:57,105 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 271 transitions. [2018-09-30 21:28:57,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-09-30 21:28:57,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:28:57,908 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:28:59,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:28:59,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 137 states and 273 transitions. [2018-09-30 21:28:59,495 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 273 transitions. [2018-09-30 21:28:59,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-30 21:28:59,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:28:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:00,344 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:01,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:01,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 138 states and 275 transitions. [2018-09-30 21:29:01,823 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 275 transitions. [2018-09-30 21:29:01,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-09-30 21:29:01,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:02,686 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:04,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 139 states and 277 transitions. [2018-09-30 21:29:04,201 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 277 transitions. [2018-09-30 21:29:04,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-30 21:29:04,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:05,153 INFO L134 CoverageAnalysis]: Checked inductivity of 8911 backedges. 0 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:06,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:06,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 140 states and 279 transitions. [2018-09-30 21:29:06,675 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 279 transitions. [2018-09-30 21:29:06,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-09-30 21:29:06,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 9045 backedges. 0 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:09,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 141 states and 281 transitions. [2018-09-30 21:29:09,187 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 281 transitions. [2018-09-30 21:29:09,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-30 21:29:09,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:10,077 INFO L134 CoverageAnalysis]: Checked inductivity of 9180 backedges. 0 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:11,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:11,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 142 states and 283 transitions. [2018-09-30 21:29:11,640 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 283 transitions. [2018-09-30 21:29:11,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-09-30 21:29:11,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:12,581 INFO L134 CoverageAnalysis]: Checked inductivity of 9316 backedges. 0 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:14,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:14,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 143 states and 285 transitions. [2018-09-30 21:29:14,143 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 285 transitions. [2018-09-30 21:29:14,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-30 21:29:14,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:15,043 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:16,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:16,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 144 states and 287 transitions. [2018-09-30 21:29:16,613 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 287 transitions. [2018-09-30 21:29:16,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-09-30 21:29:16,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 9591 backedges. 0 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:19,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:19,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 145 states and 289 transitions. [2018-09-30 21:29:19,186 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 289 transitions. [2018-09-30 21:29:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-09-30 21:29:19,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:20,114 INFO L134 CoverageAnalysis]: Checked inductivity of 9730 backedges. 0 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:21,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:21,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 146 states and 291 transitions. [2018-09-30 21:29:21,707 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 291 transitions. [2018-09-30 21:29:21,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-09-30 21:29:21,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:22,658 INFO L134 CoverageAnalysis]: Checked inductivity of 9870 backedges. 0 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:24,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:24,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 147 states and 293 transitions. [2018-09-30 21:29:24,281 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 293 transitions. [2018-09-30 21:29:24,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-30 21:29:24,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 10011 backedges. 0 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:26,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:26,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 148 states and 295 transitions. [2018-09-30 21:29:26,871 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 295 transitions. [2018-09-30 21:29:26,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-30 21:29:26,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:27,856 INFO L134 CoverageAnalysis]: Checked inductivity of 10153 backedges. 0 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:29,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:29,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 149 states and 297 transitions. [2018-09-30 21:29:29,477 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 297 transitions. [2018-09-30 21:29:29,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-09-30 21:29:29,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:30,526 INFO L134 CoverageAnalysis]: Checked inductivity of 10296 backedges. 0 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:32,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:32,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 150 states and 299 transitions. [2018-09-30 21:29:32,168 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 299 transitions. [2018-09-30 21:29:32,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-09-30 21:29:32,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:33,287 INFO L134 CoverageAnalysis]: Checked inductivity of 10440 backedges. 0 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:34,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:34,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 151 states and 301 transitions. [2018-09-30 21:29:34,953 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 301 transitions. [2018-09-30 21:29:34,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-09-30 21:29:34,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:36,197 INFO L134 CoverageAnalysis]: Checked inductivity of 10585 backedges. 0 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:37,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:37,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 152 states and 303 transitions. [2018-09-30 21:29:37,881 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 303 transitions. [2018-09-30 21:29:37,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-09-30 21:29:37,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:39,058 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:40,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:40,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 153 states and 305 transitions. [2018-09-30 21:29:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 305 transitions. [2018-09-30 21:29:40,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-09-30 21:29:40,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:41,983 INFO L134 CoverageAnalysis]: Checked inductivity of 10878 backedges. 0 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:43,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:43,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 154 states and 307 transitions. [2018-09-30 21:29:43,671 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 307 transitions. [2018-09-30 21:29:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-09-30 21:29:43,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:44,871 INFO L134 CoverageAnalysis]: Checked inductivity of 11026 backedges. 0 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:29:46,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:29:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 155 states and 309 transitions. [2018-09-30 21:29:46,574 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 309 transitions. [2018-09-30 21:29:46,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-09-30 21:29:46,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:29:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:29:47,847 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 0 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-30 21:29:48,269 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 21:29:48,271 INFO L168 Benchmark]: Toolchain (without parser) took 234348.96 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 478.4 MB. Max. memory is 7.1 GB. [2018-09-30 21:29:48,272 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:29:48,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.82 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. [2018-09-30 21:29:48,273 INFO L168 Benchmark]: Boogie Preprocessor took 23.47 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. [2018-09-30 21:29:48,273 INFO L168 Benchmark]: RCFGBuilder took 265.38 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. [2018-09-30 21:29:48,273 INFO L168 Benchmark]: CodeCheck took 234008.07 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 457.3 MB. Max. memory is 7.1 GB. [2018-09-30 21:29:48,276 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 892 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.82 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.47 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 265.38 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 234008.07 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 457.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Sandman01.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-29-48-285.csv Completed graceful shutdown