java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 10:59:47,606 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 10:59:47,608 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 10:59:47,626 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 10:59:47,626 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 10:59:47,627 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 10:59:47,629 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 10:59:47,632 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 10:59:47,634 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 10:59:47,635 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 10:59:47,643 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 10:59:47,644 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 10:59:47,644 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 10:59:47,645 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 10:59:47,649 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 10:59:47,650 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 10:59:47,652 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 10:59:47,655 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 10:59:47,659 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 10:59:47,661 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 10:59:47,662 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 10:59:47,664 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 10:59:47,665 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 10:59:47,666 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 10:59:47,666 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 10:59:47,667 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 10:59:47,667 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 10:59:47,668 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 10:59:47,671 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 10:59:47,672 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 10:59:47,672 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 10:59:47,673 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 10:59:47,673 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 10:59:47,673 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 10:59:47,674 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 10:59:47,675 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 10:59:47,675 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 [2018-09-28 10:59:47,705 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 10:59:47,705 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 10:59:47,706 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 10:59:47,707 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 10:59:47,708 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 10:59:47,708 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 10:59:47,709 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 10:59:47,709 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 10:59:47,709 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 10:59:47,709 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 10:59:47,709 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 10:59:47,710 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 10:59:47,711 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 10:59:47,711 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 10:59:47,711 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 10:59:47,711 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 10:59:47,711 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 10:59:47,712 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 10:59:47,712 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 10:59:47,712 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 10:59:47,712 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 10:59:47,712 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 10:59:47,714 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 10:59:47,714 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 10:59:47,714 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 10:59:47,714 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 10:59:47,715 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 10:59:47,715 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 10:59:47,715 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 10:59:47,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 10:59:47,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 10:59:47,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 10:59:47,794 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 10:59:47,795 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 10:59:47,796 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl [2018-09-28 10:59:47,796 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl' [2018-09-28 10:59:47,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 10:59:47,848 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 10:59:47,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 10:59:47,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 10:59:47,849 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 10:59:47,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:59:47" (1/1) ... [2018-09-28 10:59:47,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:59:47" (1/1) ... [2018-09-28 10:59:47,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 10:59:47,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 10:59:47,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 10:59:47,891 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 10:59:47,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:59:47" (1/1) ... [2018-09-28 10:59:47,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:59:47" (1/1) ... [2018-09-28 10:59:47,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:59:47" (1/1) ... [2018-09-28 10:59:47,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:59:47" (1/1) ... [2018-09-28 10:59:47,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:59:47" (1/1) ... [2018-09-28 10:59:47,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:59:47" (1/1) ... [2018-09-28 10:59:47,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:59:47" (1/1) ... [2018-09-28 10:59:47,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 10:59:47,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 10:59:47,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 10:59:47,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 10:59:47,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:59:47" (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 [2018-09-28 10:59:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-28 10:59:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-28 10:59:48,245 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-28 10:59:48,246 INFO L202 PluginConnector]: Adding new model down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:59:48 BoogieIcfgContainer [2018-09-28 10:59:48,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 10:59:48,246 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 10:59:48,246 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 10:59:48,256 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 10:59:48,257 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:59:48" (1/1) ... [2018-09-28 10:59:48,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:59:48,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:59:48,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-28 10:59:48,303 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-28 10:59:48,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 10:59:48,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:59:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:59:48,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:59:48,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:59:48,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-09-28 10:59:48,731 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-09-28 10:59:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:59:48,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:59:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:59:48,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:59:50,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:59:50,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-09-28 10:59:50,072 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-09-28 10:59:50,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:59:50,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:59:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:59:50,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:59:50,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:59:50,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-09-28 10:59:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-09-28 10:59:50,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 10:59:50,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:59:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:59:51,084 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:59:51,580 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2018-09-28 10:59:52,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:59:52,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-09-28 10:59:52,149 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-09-28 10:59:52,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 10:59:52,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:59:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:59:52,293 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:59:53,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:59:53,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-09-28 10:59:53,023 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-09-28 10:59:53,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 10:59:53,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:59:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:59:53,206 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:59:54,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:59:54,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-09-28 10:59:54,039 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-09-28 10:59:54,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 10:59:54,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:59:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:59:54,241 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:59:55,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:59:55,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-09-28 10:59:55,722 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-09-28 10:59:55,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-28 10:59:55,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:59:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:59:56,029 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:59:56,569 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-09-28 10:59:58,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:59:58,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-09-28 10:59:58,061 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-09-28 10:59:58,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-28 10:59:58,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:59:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:59:58,222 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:59:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:59:59,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-09-28 10:59:59,233 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-09-28 10:59:59,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-28 10:59:59,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:59:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:59:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:00,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:00,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-09-28 11:00:00,437 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-09-28 11:00:00,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-28 11:00:00,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:00,872 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:01,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:01,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-09-28 11:00:01,761 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-09-28 11:00:01,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-28 11:00:01,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:01,992 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:03,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:03,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-09-28 11:00:03,051 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-09-28 11:00:03,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-28 11:00:03,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:03,245 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:04,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:04,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-09-28 11:00:04,490 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-09-28 11:00:04,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-28 11:00:04,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:06,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:06,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-09-28 11:00:06,289 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-09-28 11:00:06,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 11:00:06,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:06,525 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:07,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:07,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-09-28 11:00:07,730 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-09-28 11:00:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 11:00:07,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:08,802 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:10,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-09-28 11:00:10,221 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-09-28 11:00:10,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-28 11:00:10,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:10,976 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:12,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:12,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-09-28 11:00:12,295 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-09-28 11:00:12,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-28 11:00:12,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:12,653 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:14,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:14,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-09-28 11:00:14,106 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-09-28 11:00:14,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-28 11:00:14,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:14,534 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:16,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:16,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-09-28 11:00:16,284 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-09-28 11:00:16,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-28 11:00:16,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:16,644 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:18,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:18,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-09-28 11:00:18,339 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-09-28 11:00:18,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-28 11:00:18,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:18,769 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:20,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:20,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-09-28 11:00:20,596 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-09-28 11:00:20,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-28 11:00:20,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:21,666 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:23,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:23,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-09-28 11:00:23,395 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-09-28 11:00:23,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-28 11:00:23,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:25,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-09-28 11:00:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-09-28 11:00:25,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-28 11:00:25,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:28,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:28,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-09-28 11:00:28,304 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-09-28 11:00:28,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-28 11:00:28,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:28,790 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:30,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:30,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-09-28 11:00:30,671 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-09-28 11:00:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-28 11:00:30,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:31,663 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:33,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:33,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-09-28 11:00:33,731 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-09-28 11:00:33,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-28 11:00:33,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:34,169 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:36,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:36,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-09-28 11:00:36,209 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-09-28 11:00:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-28 11:00:36,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:36,897 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:39,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:39,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-09-28 11:00:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-09-28 11:00:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-28 11:00:39,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:40,101 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:42,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:42,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-09-28 11:00:42,677 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-09-28 11:00:42,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-28 11:00:42,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:43,200 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:45,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:45,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-09-28 11:00:45,636 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-09-28 11:00:45,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-28 11:00:45,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:46,529 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:49,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-09-28 11:00:49,102 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-09-28 11:00:49,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-28 11:00:49,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:49,595 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:52,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:52,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-09-28 11:00:52,346 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-09-28 11:00:52,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-28 11:00:52,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:53,545 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:56,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:56,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-09-28 11:00:56,063 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-09-28 11:00:56,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-28 11:00:56,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:59,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:59,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-09-28 11:00:59,992 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-09-28 11:00:59,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-28 11:00:59,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:00,545 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:03,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:03,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-09-28 11:01:03,499 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-09-28 11:01:03,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-28 11:01:03,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:07,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:07,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-09-28 11:01:07,299 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-09-28 11:01:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-28 11:01:07,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:08,034 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:10,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-09-28 11:01:10,864 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-09-28 11:01:10,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-28 11:01:10,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:14,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-09-28 11:01:14,885 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-09-28 11:01:14,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-28 11:01:14,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:15,593 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:21,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:21,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-09-28 11:01:21,917 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-09-28 11:01:21,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-28 11:01:21,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:23,013 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:26,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:26,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-09-28 11:01:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-09-28 11:01:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-28 11:01:26,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:26,909 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:30,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:30,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-09-28 11:01:30,252 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-09-28 11:01:30,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-28 11:01:30,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:31,004 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:34,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:34,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-09-28 11:01:34,605 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-09-28 11:01:34,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-28 11:01:34,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:38,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:38,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-09-28 11:01:38,785 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-09-28 11:01:38,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-28 11:01:38,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:43,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:43,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-09-28 11:01:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-09-28 11:01:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-28 11:01:43,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:43,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:47,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:47,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-09-28 11:01:47,411 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-09-28 11:01:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-28 11:01:47,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:52,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:52,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-09-28 11:01:52,110 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-09-28 11:01:52,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-28 11:01:52,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:52,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:56,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:56,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-09-28 11:01:56,764 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-09-28 11:01:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-28 11:01:56,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:57,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:01,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:01,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-09-28 11:02:01,481 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-09-28 11:02:01,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-28 11:02:01,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:03,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:07,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:07,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-09-28 11:02:07,748 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-09-28 11:02:07,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-28 11:02:07,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:13,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:13,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 156 states and 508 transitions. [2018-09-28 11:02:13,513 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 508 transitions. [2018-09-28 11:02:13,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-28 11:02:13,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:15,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:19,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:19,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 160 states and 539 transitions. [2018-09-28 11:02:19,604 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 539 transitions. [2018-09-28 11:02:19,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-28 11:02:19,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:20,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:24,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:24,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 162 states and 541 transitions. [2018-09-28 11:02:24,877 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 541 transitions. [2018-09-28 11:02:24,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-28 11:02:24,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:25,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 702 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:30,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:30,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 166 states and 573 transitions. [2018-09-28 11:02:30,152 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 573 transitions. [2018-09-28 11:02:30,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-28 11:02:30,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 756 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:36,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:36,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 168 states and 575 transitions. [2018-09-28 11:02:36,337 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 575 transitions. [2018-09-28 11:02:36,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-28 11:02:36,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:37,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 756 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:41,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:41,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 172 states and 608 transitions. [2018-09-28 11:02:41,733 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 608 transitions. [2018-09-28 11:02:41,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-28 11:02:41,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:43,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 812 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:48,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:48,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 174 states and 610 transitions. [2018-09-28 11:02:48,153 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 610 transitions. [2018-09-28 11:02:48,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-28 11:02:48,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:49,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 812 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:53,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:53,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 178 states and 644 transitions. [2018-09-28 11:02:53,653 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 644 transitions. [2018-09-28 11:02:53,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-28 11:02:53,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:55,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 870 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:59,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:59,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 180 states and 646 transitions. [2018-09-28 11:02:59,682 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 646 transitions. [2018-09-28 11:02:59,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-28 11:02:59,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 870 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:05,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:05,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 184 states and 681 transitions. [2018-09-28 11:03:05,696 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 681 transitions. [2018-09-28 11:03:05,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-28 11:03:05,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:06,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 930 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:12,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:12,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 186 states and 683 transitions. [2018-09-28 11:03:12,018 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 683 transitions. [2018-09-28 11:03:12,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-28 11:03:12,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 930 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:17,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 190 states and 719 transitions. [2018-09-28 11:03:17,761 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 719 transitions. [2018-09-28 11:03:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-28 11:03:17,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:18,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 992 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:23,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:23,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 192 states and 721 transitions. [2018-09-28 11:03:23,869 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 721 transitions. [2018-09-28 11:03:23,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-28 11:03:23,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:24,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 992 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:29,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:29,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 196 states and 758 transitions. [2018-09-28 11:03:29,898 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 758 transitions. [2018-09-28 11:03:29,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-28 11:03:29,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 1056 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:36,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:36,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 198 states and 760 transitions. [2018-09-28 11:03:36,628 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 760 transitions. [2018-09-28 11:03:36,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-28 11:03:36,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:37,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1056 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:42,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:42,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 202 states and 798 transitions. [2018-09-28 11:03:42,633 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 798 transitions. [2018-09-28 11:03:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-28 11:03:42,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 1122 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-28 11:03:48,702 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-28 11:03:48,705 INFO L168 Benchmark]: Toolchain (without parser) took 240859.64 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 614.0 MB. Max. memory is 7.1 GB. [2018-09-28 11:03:48,707 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:03:48,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.03 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:03:48,708 INFO L168 Benchmark]: Boogie Preprocessor took 20.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:03:48,708 INFO L168 Benchmark]: RCFGBuilder took 334.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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. [2018-09-28 11:03:48,709 INFO L168 Benchmark]: CodeCheck took 240458.33 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 592.9 MB. Max. memory is 7.1 GB. [2018-09-28 11:03:48,713 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 1051 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.03 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 334.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 240458.33 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.7 GB in the end (delta: -1.3 GB). Peak memory consumption was 592.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/down.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-28_11-03-48-725.csv Completed graceful shutdown