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-bd42740 [2018-09-23 21:59:27,880 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 21:59:27,882 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 21:59:27,894 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 21:59:27,895 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 21:59:27,896 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 21:59:27,897 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 21:59:27,899 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 21:59:27,901 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 21:59:27,901 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 21:59:27,902 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 21:59:27,903 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 21:59:27,903 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 21:59:27,905 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 21:59:27,906 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 21:59:27,906 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 21:59:27,907 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 21:59:27,909 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 21:59:27,911 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 21:59:27,913 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 21:59:27,914 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 21:59:27,915 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 21:59:27,918 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 21:59:27,918 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 21:59:27,918 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 21:59:27,919 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 21:59:27,920 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 21:59:27,921 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 21:59:27,922 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 21:59:27,923 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 21:59:27,924 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 21:59:27,924 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 21:59:27,925 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 21:59:27,925 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 21:59:27,926 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 21:59:27,927 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 21:59:27,927 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 [2018-09-23 21:59:27,953 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 21:59:27,954 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 21:59:27,955 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 21:59:27,956 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 21:59:27,956 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 21:59:27,957 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 21:59:27,957 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 21:59:27,957 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 21:59:27,957 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 21:59:27,957 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 21:59:27,958 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 21:59:27,958 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 21:59:27,958 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 21:59:27,958 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 21:59:27,960 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 21:59:27,960 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 21:59:27,960 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 21:59:27,960 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-23 21:59:27,961 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-23 21:59:27,961 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 21:59:27,961 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 21:59:27,961 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 21:59:27,963 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 21:59:27,963 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 21:59:27,963 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 21:59:27,963 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-23 21:59:27,963 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 21:59:27,964 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 21:59:27,964 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 21:59:28,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 21:59:28,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 21:59:28,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 21:59:28,035 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 21:59:28,035 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 21:59:28,036 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl [2018-09-23 21:59:28,037 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl' [2018-09-23 21:59:28,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 21:59:28,101 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 21:59:28,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 21:59:28,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 21:59:28,102 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 21:59:28,122 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 23.09 09:59:28" (1/1) ... [2018-09-23 21:59:28,134 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 23.09 09:59:28" (1/1) ... [2018-09-23 21:59:28,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 21:59:28,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 21:59:28,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 21:59:28,143 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 21:59:28,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:28" (1/1) ... [2018-09-23 21:59:28,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:28" (1/1) ... [2018-09-23 21:59:28,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:28" (1/1) ... [2018-09-23 21:59:28,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:28" (1/1) ... [2018-09-23 21:59:28,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:28" (1/1) ... [2018-09-23 21:59:28,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:28" (1/1) ... [2018-09-23 21:59:28,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:28" (1/1) ... [2018-09-23 21:59:28,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 21:59:28,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 21:59:28,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 21:59:28,168 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 21:59:28,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:28" (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 [2018-09-23 21:59:28,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-23 21:59:28,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-23 21:59:28,528 INFO L354 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-23 21:59:28,529 INFO L202 PluginConnector]: Adding new model down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 09:59:28 BoogieIcfgContainer [2018-09-23 21:59:28,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 21:59:28,530 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-23 21:59:28,530 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-23 21:59:28,541 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-23 21:59:28,542 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 09:59:28" (1/1) ... [2018-09-23 21:59:28,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 21:59:28,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:28,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-23 21:59:28,604 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-23 21:59:28,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-23 21:59:28,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:28,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:29,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:29,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-09-23 21:59:29,063 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-09-23 21:59:29,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-23 21:59:29,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:29,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:30,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:30,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-09-23 21:59:30,385 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-09-23 21:59:30,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:59:30,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:31,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:31,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-09-23 21:59:31,116 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-09-23 21:59:31,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:59:31,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:31,805 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2018-09-23 21:59:32,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:32,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-09-23 21:59:32,330 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-09-23 21:59:32,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:59:32,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:32,461 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:33,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-09-23 21:59:33,215 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-09-23 21:59:33,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 21:59:33,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:33,428 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:34,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-09-23 21:59:34,449 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-09-23 21:59:34,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:59:34,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:34,681 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:35,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:35,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-09-23 21:59:35,892 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-09-23 21:59:35,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 21:59:35,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:36,065 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:36,641 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-09-23 21:59:39,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:39,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-09-23 21:59:39,755 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-09-23 21:59:39,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-23 21:59:39,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:39,933 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:40,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:40,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-09-23 21:59:40,976 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-09-23 21:59:40,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 21:59:40,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:41,193 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:42,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:42,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-09-23 21:59:42,173 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-09-23 21:59:42,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 21:59:42,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:42,365 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:43,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:43,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-09-23 21:59:43,267 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-09-23 21:59:43,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 21:59:43,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:43,477 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:44,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-09-23 21:59:44,832 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-09-23 21:59:44,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 21:59:44,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:45,070 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:46,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:46,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-09-23 21:59:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-09-23 21:59:46,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 21:59:46,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:46,669 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:47,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:47,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-09-23 21:59:47,990 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-09-23 21:59:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-23 21:59:47,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:48,237 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:49,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:49,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-09-23 21:59:49,848 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-09-23 21:59:49,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 21:59:49,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:50,427 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:51,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:51,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-09-23 21:59:51,752 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-09-23 21:59:51,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 21:59:51,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:53,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:53,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-09-23 21:59:53,372 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-09-23 21:59:53,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 21:59:53,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:53,745 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:55,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:55,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-09-23 21:59:55,639 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-09-23 21:59:55,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 21:59:55,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:56,061 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:57,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:57,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-09-23 21:59:57,549 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-09-23 21:59:57,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 21:59:57,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:58,510 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:00,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:00,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-09-23 22:00:00,446 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-09-23 22:00:00,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-23 22:00:00,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:00,772 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:02,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-09-23 22:00:02,568 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-09-23 22:00:02,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 22:00:02,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:05,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:05,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-09-23 22:00:05,662 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-09-23 22:00:05,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 22:00:05,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:06,366 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:08,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-09-23 22:00:08,249 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-09-23 22:00:08,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 22:00:08,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:08,813 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:11,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:11,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-09-23 22:00:11,197 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-09-23 22:00:11,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 22:00:11,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:11,766 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:13,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:13,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-09-23 22:00:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-09-23 22:00:13,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 22:00:13,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:14,191 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:16,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:16,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-09-23 22:00:16,580 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-09-23 22:00:16,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-23 22:00:16,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:17,005 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:18,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:18,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-09-23 22:00:18,998 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-09-23 22:00:18,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-23 22:00:18,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:19,917 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:22,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-09-23 22:00:22,260 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-09-23 22:00:22,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-23 22:00:22,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:26,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:26,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-09-23 22:00:26,116 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-09-23 22:00:26,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-23 22:00:26,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:26,796 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:29,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:29,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-09-23 22:00:29,063 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-09-23 22:00:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-23 22:00:29,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:29,603 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:32,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:32,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-09-23 22:00:32,200 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-09-23 22:00:32,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-23 22:00:32,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:32,788 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:35,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-09-23 22:00:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-09-23 22:00:35,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-23 22:00:35,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:36,900 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:39,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:39,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-09-23 22:00:39,421 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-09-23 22:00:39,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-23 22:00:39,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:40,240 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:42,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:42,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-09-23 22:00:42,953 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-09-23 22:00:42,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-23 22:00:42,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:44,026 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:46,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:46,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-09-23 22:00:46,967 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-09-23 22:00:46,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-23 22:00:46,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:47,540 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:50,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-09-23 22:00:50,499 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-09-23 22:00:50,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-23 22:00:50,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:54,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:54,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-09-23 22:00:54,002 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-09-23 22:00:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-23 22:00:54,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:54,653 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:57,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:57,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-09-23 22:00:57,858 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-09-23 22:00:57,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-23 22:00:57,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:58,454 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:06,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:06,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-09-23 22:01:06,359 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-09-23 22:01:06,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-23 22:01:06,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:07,069 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:10,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:10,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-09-23 22:01:10,127 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-09-23 22:01:10,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-23 22:01:10,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:11,191 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:14,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:14,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-09-23 22:01:14,317 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-09-23 22:01:14,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-23 22:01:14,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:14,961 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:18,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:18,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-09-23 22:01:18,526 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-09-23 22:01:18,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-23 22:01:18,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:19,177 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:22,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:22,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-09-23 22:01:22,591 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-09-23 22:01:22,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-23 22:01:22,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:23,325 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:27,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:27,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-09-23 22:01:27,080 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-09-23 22:01:27,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-23 22:01:27,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:31,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-09-23 22:01:31,438 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-09-23 22:01:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-23 22:01:31,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:32,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:35,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-09-23 22:01:35,928 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-09-23 22:01:35,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-23 22:01:35,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:36,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:40,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:40,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-09-23 22:01:40,523 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-09-23 22:01:40,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-23 22:01:40,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:41,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:45,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:45,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-09-23 22:01:45,566 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-09-23 22:01:45,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-23 22:01:45,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:46,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:50,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:50,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-09-23 22:01:50,325 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-09-23 22:01:50,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-23 22:01:50,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:56,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:56,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 156 states and 508 transitions. [2018-09-23 22:01:56,278 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 508 transitions. [2018-09-23 22:01:56,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-23 22:01:56,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:57,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:01,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:01,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 160 states and 539 transitions. [2018-09-23 22:02:01,345 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 539 transitions. [2018-09-23 22:02:01,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-23 22:02:01,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:02,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:06,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:06,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 162 states and 541 transitions. [2018-09-23 22:02:06,826 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 541 transitions. [2018-09-23 22:02:06,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-23 22:02:06,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 702 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:11,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:11,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 166 states and 573 transitions. [2018-09-23 22:02:11,839 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 573 transitions. [2018-09-23 22:02:11,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-23 22:02:11,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 756 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:17,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:17,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 168 states and 575 transitions. [2018-09-23 22:02:17,406 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 575 transitions. [2018-09-23 22:02:17,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-23 22:02:17,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:18,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 756 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:22,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:22,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 172 states and 608 transitions. [2018-09-23 22:02:22,451 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 608 transitions. [2018-09-23 22:02:22,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-23 22:02:22,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 812 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:28,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:28,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 174 states and 610 transitions. [2018-09-23 22:02:28,222 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 610 transitions. [2018-09-23 22:02:28,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-23 22:02:28,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 812 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:33,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:33,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 178 states and 644 transitions. [2018-09-23 22:02:33,894 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 644 transitions. [2018-09-23 22:02:33,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-23 22:02:33,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 870 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:39,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:39,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 180 states and 646 transitions. [2018-09-23 22:02:39,342 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 646 transitions. [2018-09-23 22:02:39,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-23 22:02:39,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:40,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 870 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:44,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:44,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 184 states and 681 transitions. [2018-09-23 22:02:44,990 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 681 transitions. [2018-09-23 22:02:44,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-23 22:02:44,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:45,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 930 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:50,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:50,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 186 states and 683 transitions. [2018-09-23 22:02:50,672 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 683 transitions. [2018-09-23 22:02:50,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-23 22:02:50,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:51,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 930 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:56,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:56,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 190 states and 719 transitions. [2018-09-23 22:02:56,573 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 719 transitions. [2018-09-23 22:02:56,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-23 22:02:56,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:57,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 992 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:02,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 192 states and 721 transitions. [2018-09-23 22:03:02,675 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 721 transitions. [2018-09-23 22:03:02,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-23 22:03:02,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 992 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:08,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:08,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 196 states and 758 transitions. [2018-09-23 22:03:08,933 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 758 transitions. [2018-09-23 22:03:08,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-23 22:03:08,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 1056 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:15,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:15,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 198 states and 760 transitions. [2018-09-23 22:03:15,199 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 760 transitions. [2018-09-23 22:03:15,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-23 22:03:15,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1056 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:21,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:21,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 202 states and 798 transitions. [2018-09-23 22:03:21,298 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 798 transitions. [2018-09-23 22:03:21,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-23 22:03:21,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:22,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 1122 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:27,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:27,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 204 states and 800 transitions. [2018-09-23 22:03:27,749 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 800 transitions. [2018-09-23 22:03:27,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-23 22:03:27,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:28,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1122 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-23 22:03:29,657 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-23 22:03:29,661 INFO L168 Benchmark]: Toolchain (without parser) took 241562.84 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: -1.3 GB). Peak memory consumption was 532.8 MB. Max. memory is 7.1 GB. [2018-09-23 22:03:29,664 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 22:03:29,665 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 22:03:29,665 INFO L168 Benchmark]: Boogie Preprocessor took 24.73 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. [2018-09-23 22:03:29,666 INFO L168 Benchmark]: RCFGBuilder took 360.83 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. [2018-09-23 22:03:29,666 INFO L168 Benchmark]: CodeCheck took 241130.63 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 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 511.6 MB. Max. memory is 7.1 GB. [2018-09-23 22:03:29,670 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 1055 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.73 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 360.83 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 241130.63 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 2.8 GB in the end (delta: -1.4 GB). Peak memory consumption was 511.6 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-0-2018-09-23_22-03-29-683.csv Completed graceful shutdown