java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_nondet.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 11:50:15,077 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 11:50:15,079 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 11:50:15,091 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 11:50:15,091 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 11:50:15,092 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 11:50:15,093 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 11:50:15,095 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 11:50:15,097 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 11:50:15,098 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 11:50:15,099 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 11:50:15,099 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 11:50:15,100 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 11:50:15,104 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 11:50:15,105 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 11:50:15,106 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 11:50:15,107 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 11:50:15,109 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 11:50:15,113 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 11:50:15,114 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 11:50:15,115 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 11:50:15,120 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 11:50:15,123 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 11:50:15,123 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 11:50:15,123 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 11:50:15,124 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 11:50:15,131 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 11:50:15,131 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 11:50:15,132 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 11:50:15,136 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 11:50:15,136 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 11:50:15,137 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 11:50:15,137 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 11:50:15,137 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 11:50:15,139 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 11:50:15,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 11:50:15,142 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-30 11:50:15,168 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 11:50:15,168 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 11:50:15,169 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 11:50:15,169 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 11:50:15,170 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 11:50:15,170 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 11:50:15,170 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 11:50:15,172 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 11:50:15,172 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 11:50:15,172 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 11:50:15,172 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 11:50:15,172 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 11:50:15,173 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 11:50:15,173 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 11:50:15,173 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 11:50:15,173 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 11:50:15,174 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 11:50:15,174 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 11:50:15,174 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 11:50:15,174 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 11:50:15,174 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 11:50:15,175 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 11:50:15,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:50:15,175 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 11:50:15,175 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 11:50:15,175 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 11:50:15,177 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 11:50:15,177 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 11:50:15,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 11:50:15,177 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 11:50:15,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 11:50:15,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 11:50:15,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 11:50:15,249 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 11:50:15,250 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 11:50:15,251 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_nondet.i_3.bpl [2018-09-30 11:50:15,251 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_nondet.i_3.bpl' [2018-09-30 11:50:15,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 11:50:15,303 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 11:50:15,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 11:50:15,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 11:50:15,304 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 11:50:15,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:50:15" (1/1) ... [2018-09-30 11:50:15,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:50:15" (1/1) ... [2018-09-30 11:50:15,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 11:50:15,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 11:50:15,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 11:50:15,345 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 11:50:15,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:50:15" (1/1) ... [2018-09-30 11:50:15,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:50:15" (1/1) ... [2018-09-30 11:50:15,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:50:15" (1/1) ... [2018-09-30 11:50:15,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:50:15" (1/1) ... [2018-09-30 11:50:15,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:50:15" (1/1) ... [2018-09-30 11:50:15,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:50:15" (1/1) ... [2018-09-30 11:50:15,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:50:15" (1/1) ... [2018-09-30 11:50:15,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 11:50:15,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 11:50:15,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 11:50:15,370 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 11:50:15,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:50:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:50:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 11:50:15,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 11:50:15,653 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 11:50:15,654 INFO L202 PluginConnector]: Adding new model count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:50:15 BoogieIcfgContainer [2018-09-30 11:50:15,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 11:50:15,654 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 11:50:15,654 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 11:50:15,665 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 11:50:15,665 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "count_by_nondet.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:50:15" (1/1) ... [2018-09-30 11:50:15,679 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 11:50:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:15,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-30 11:50:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-30 11:50:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 11:50:15,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:16,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-09-30 11:50:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-09-30 11:50:16,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 11:50:16,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:16,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:16,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:16,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-09-30 11:50:16,837 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-30 11:50:16,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:50:16,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:18,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:18,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-09-30 11:50:18,290 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-09-30 11:50:18,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:50:18,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:18,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2018-09-30 11:50:19,287 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2018-09-30 11:50:19,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:50:19,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:19,412 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:20,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:20,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2018-09-30 11:50:20,216 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2018-09-30 11:50:20,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:50:20,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:20,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:20,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2018-09-30 11:50:20,986 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2018-09-30 11:50:20,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:50:20,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:21,071 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:22,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:22,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2018-09-30 11:50:22,495 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2018-09-30 11:50:22,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:50:22,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:22,592 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:23,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:23,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2018-09-30 11:50:23,268 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2018-09-30 11:50:23,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:50:23,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:23,366 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:24,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:24,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2018-09-30 11:50:24,074 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2018-09-30 11:50:24,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:50:24,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:24,154 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:24,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2018-09-30 11:50:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2018-09-30 11:50:24,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:50:24,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:24,747 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:25,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:25,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2018-09-30 11:50:25,456 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2018-09-30 11:50:25,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:50:25,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:25,590 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:25,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2018-09-30 11:50:25,969 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2018-09-30 11:50:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:50:25,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:26,056 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:26,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:26,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2018-09-30 11:50:26,978 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-09-30 11:50:26,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:50:26,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:27,071 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:28,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:28,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2018-09-30 11:50:28,089 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2018-09-30 11:50:28,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 11:50:28,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:28,240 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:29,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:29,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 66 transitions. [2018-09-30 11:50:29,578 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2018-09-30 11:50:29,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 11:50:29,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:30,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:30,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 57 states and 68 transitions. [2018-09-30 11:50:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2018-09-30 11:50:30,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:50:30,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:31,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 61 states and 73 transitions. [2018-09-30 11:50:31,663 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2018-09-30 11:50:31,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:50:31,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:31,761 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:32,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:32,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 63 states and 75 transitions. [2018-09-30 11:50:32,449 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2018-09-30 11:50:32,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 11:50:32,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:34,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:34,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 67 states and 80 transitions. [2018-09-30 11:50:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2018-09-30 11:50:34,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 11:50:34,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:34,263 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:36,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:36,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 69 states and 82 transitions. [2018-09-30 11:50:36,333 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2018-09-30 11:50:36,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:50:36,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:36,463 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:38,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 73 states and 87 transitions. [2018-09-30 11:50:38,049 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2018-09-30 11:50:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:50:38,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:38,523 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:39,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:39,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 75 states and 89 transitions. [2018-09-30 11:50:39,649 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 89 transitions. [2018-09-30 11:50:39,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 11:50:39,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:41,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:41,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 79 states and 94 transitions. [2018-09-30 11:50:41,478 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 94 transitions. [2018-09-30 11:50:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 11:50:41,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:41,930 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:43,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:43,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2018-09-30 11:50:43,963 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2018-09-30 11:50:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:50:43,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:46,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:46,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 85 states and 101 transitions. [2018-09-30 11:50:46,149 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 101 transitions. [2018-09-30 11:50:46,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:50:46,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:47,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 87 states and 103 transitions. [2018-09-30 11:50:47,830 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2018-09-30 11:50:47,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 11:50:47,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:48,099 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:50,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:50,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2018-09-30 11:50:50,615 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2018-09-30 11:50:50,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 11:50:50,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:50,694 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2018-09-30 11:50:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2018-09-30 11:50:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:50:52,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:53,098 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:55,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 97 states and 115 transitions. [2018-09-30 11:50:55,815 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 115 transitions. [2018-09-30 11:50:55,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:50:55,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:56,107 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:50:58,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:50:58,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 99 states and 117 transitions. [2018-09-30 11:50:58,179 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 117 transitions. [2018-09-30 11:50:58,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:50:58,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:50:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:50:58,841 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:51:01,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:51:01,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 103 states and 122 transitions. [2018-09-30 11:51:01,725 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2018-09-30 11:51:01,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:51:01,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:51:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:51:01,859 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:51:04,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:51:04,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 105 states and 124 transitions. [2018-09-30 11:51:04,306 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2018-09-30 11:51:04,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:51:04,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:51:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:51:04,483 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:51:07,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:51:07,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 109 states and 129 transitions. [2018-09-30 11:51:07,779 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 129 transitions. [2018-09-30 11:51:07,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:51:07,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:51:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:51:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:51:10,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:51:10,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 111 states and 131 transitions. [2018-09-30 11:51:10,644 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2018-09-30 11:51:10,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:51:10,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:51:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:51:10,914 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:51:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:51:14,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 115 states and 136 transitions. [2018-09-30 11:51:14,870 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 136 transitions. [2018-09-30 11:51:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:51:14,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:51:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:51:15,003 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:51:18,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:51:18,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 117 states and 138 transitions. [2018-09-30 11:51:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2018-09-30 11:51:18,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:51:18,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:51:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:51:19,014 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:51:23,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:51:23,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 121 states and 143 transitions. [2018-09-30 11:51:23,210 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 143 transitions. [2018-09-30 11:51:23,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:51:23,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:51:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:51:23,971 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:51:27,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:51:27,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 123 states and 145 transitions. [2018-09-30 11:51:27,581 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2018-09-30 11:51:27,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:51:27,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:51:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:51:27,756 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:51:32,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:51:32,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 127 states and 150 transitions. [2018-09-30 11:51:32,363 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2018-09-30 11:51:32,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:51:32,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:51:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:51:32,478 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:51:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:51:36,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 129 states and 152 transitions. [2018-09-30 11:51:36,473 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2018-09-30 11:51:36,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:51:36,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:51:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:51:36,683 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:51:41,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:51:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 133 states and 157 transitions. [2018-09-30 11:51:41,907 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 157 transitions. [2018-09-30 11:51:41,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:51:41,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:51:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:51:42,007 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:51:46,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:51:46,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 135 states and 159 transitions. [2018-09-30 11:51:46,494 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 159 transitions. [2018-09-30 11:51:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 11:51:46,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:51:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:51:46,861 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:51:52,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:51:52,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 139 states and 164 transitions. [2018-09-30 11:51:52,714 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-09-30 11:51:52,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 11:51:52,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:51:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:51:52,869 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:51:57,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:51:57,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 141 states and 166 transitions. [2018-09-30 11:51:57,920 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2018-09-30 11:51:57,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:51:57,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:51:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:51:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:52:04,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:52:04,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 145 states and 171 transitions. [2018-09-30 11:52:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 171 transitions. [2018-09-30 11:52:04,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:52:04,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:52:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:52:05,157 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:52:10,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:52:10,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 147 states and 173 transitions. [2018-09-30 11:52:10,820 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 173 transitions. [2018-09-30 11:52:10,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 11:52:10,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:52:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:52:11,092 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:52:18,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:52:18,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 151 states and 178 transitions. [2018-09-30 11:52:18,401 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 178 transitions. [2018-09-30 11:52:18,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 11:52:18,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:52:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:52:18,533 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:52:24,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:52:24,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 153 states and 180 transitions. [2018-09-30 11:52:24,856 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2018-09-30 11:52:24,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:52:24,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:52:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:52:25,342 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:52:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:52:33,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 157 states and 185 transitions. [2018-09-30 11:52:33,346 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 185 transitions. [2018-09-30 11:52:33,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:52:33,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:52:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:52:33,461 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:52:40,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:52:40,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 159 states and 187 transitions. [2018-09-30 11:52:40,511 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 187 transitions. [2018-09-30 11:52:40,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 11:52:40,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:52:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:52:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:52:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:52:49,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 163 states and 192 transitions. [2018-09-30 11:52:49,644 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 192 transitions. [2018-09-30 11:52:49,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 11:52:49,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:52:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:52:49,816 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:52:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:52:57,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 165 states and 194 transitions. [2018-09-30 11:52:57,828 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 194 transitions. [2018-09-30 11:52:57,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 11:52:57,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:52:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:52:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:53:07,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:53:07,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 169 states and 199 transitions. [2018-09-30 11:53:07,909 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 199 transitions. [2018-09-30 11:53:07,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 11:53:07,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:53:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:53:08,324 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:53:17,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:53:17,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 171 states and 201 transitions. [2018-09-30 11:53:17,040 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 201 transitions. [2018-09-30 11:53:17,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 11:53:17,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:53:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:53:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:53:28,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:53:28,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 175 states and 206 transitions. [2018-09-30 11:53:28,504 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 206 transitions. [2018-09-30 11:53:28,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 11:53:28,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:53:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:53:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:53:38,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:53:38,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 177 states and 208 transitions. [2018-09-30 11:53:38,654 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 208 transitions. [2018-09-30 11:53:38,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 11:53:38,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:53:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:53:39,075 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:53:50,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:53:50,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 181 states and 213 transitions. [2018-09-30 11:53:50,932 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 213 transitions. [2018-09-30 11:53:50,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 11:53:50,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:53:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:53:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:01,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 183 states and 215 transitions. [2018-09-30 11:54:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 215 transitions. [2018-09-30 11:54:01,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 11:54:01,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:01,996 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:15,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:15,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 187 states and 220 transitions. [2018-09-30 11:54:15,899 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 220 transitions. [2018-09-30 11:54:15,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 11:54:15,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:15,996 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:54:27,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:54:27,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 189 states and 222 transitions. [2018-09-30 11:54:27,680 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 222 transitions. [2018-09-30 11:54:27,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 11:54:27,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:54:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:54:28,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown