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/string_concat-noarr.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 11:44:50,134 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 11:44:50,137 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 11:44:50,149 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 11:44:50,149 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 11:44:50,150 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 11:44:50,153 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 11:44:50,156 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 11:44:50,158 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 11:44:50,162 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 11:44:50,163 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 11:44:50,163 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 11:44:50,167 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 11:44:50,168 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 11:44:50,171 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 11:44:50,172 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 11:44:50,173 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 11:44:50,176 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 11:44:50,181 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 11:44:50,184 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 11:44:50,186 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 11:44:50,187 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 11:44:50,192 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 11:44:50,192 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 11:44:50,192 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 11:44:50,193 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 11:44:50,194 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 11:44:50,195 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 11:44:50,196 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 11:44:50,198 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 11:44:50,199 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 11:44:50,199 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 11:44:50,201 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 11:44:50,201 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 11:44:50,202 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 11:44:50,204 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 11:44:50,205 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 [2018-09-28 11:44:50,225 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 11:44:50,225 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 11:44:50,226 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 11:44:50,226 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 11:44:50,227 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 11:44:50,227 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 11:44:50,227 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 11:44:50,228 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 11:44:50,228 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 11:44:50,228 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 11:44:50,229 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 11:44:50,229 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 11:44:50,229 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 11:44:50,229 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 11:44:50,229 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 11:44:50,230 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 11:44:50,230 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 11:44:50,230 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 11:44:50,230 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 11:44:50,231 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-28 11:44:50,231 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 11:44:50,231 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 11:44:50,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:44:50,231 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 11:44:50,231 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 11:44:50,232 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 11:44:50,232 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 11:44:50,232 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 11:44:50,232 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 11:44:50,232 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 11:44:50,296 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 11:44:50,312 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 11:44:50,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 11:44:50,320 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 11:44:50,320 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 11:44:50,321 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/string_concat-noarr.i_3.bpl [2018-09-28 11:44:50,321 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/string_concat-noarr.i_3.bpl' [2018-09-28 11:44:50,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 11:44:50,386 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 11:44:50,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 11:44:50,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 11:44:50,388 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 11:44:50,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:44:50" (1/1) ... [2018-09-28 11:44:50,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:44:50" (1/1) ... [2018-09-28 11:44:50,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 11:44:50,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 11:44:50,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 11:44:50,432 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 11:44:50,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:44:50" (1/1) ... [2018-09-28 11:44:50,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:44:50" (1/1) ... [2018-09-28 11:44:50,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:44:50" (1/1) ... [2018-09-28 11:44:50,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:44:50" (1/1) ... [2018-09-28 11:44:50,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:44:50" (1/1) ... [2018-09-28 11:44:50,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:44:50" (1/1) ... [2018-09-28 11:44:50,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:44:50" (1/1) ... [2018-09-28 11:44:50,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 11:44:50,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 11:44:50,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 11:44:50,456 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 11:44:50,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:44:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:44:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-28 11:44:50,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-28 11:44:50,816 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-28 11:44:50,817 INFO L202 PluginConnector]: Adding new model string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:44:50 BoogieIcfgContainer [2018-09-28 11:44:50,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 11:44:50,819 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 11:44:50,819 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 11:44:50,831 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 11:44:50,831 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "string_concat-noarr.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:44:50" (1/1) ... [2018-09-28 11:44:50,845 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 11:44:50,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:50,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-28 11:44:50,883 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-28 11:44:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 11:44:50,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:44:51,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:51,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-09-28 11:44:51,439 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-09-28 11:44:51,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:44:51,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:51,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:44:52,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:52,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-09-28 11:44:52,022 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-28 11:44:52,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:44:52,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:52,071 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:44:52,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:52,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-09-28 11:44:52,556 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-09-28 11:44:52,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 11:44:52,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:52,628 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:44:53,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:53,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-09-28 11:44:53,339 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-09-28 11:44:53,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 11:44:53,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:53,420 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:44:53,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-09-28 11:44:53,703 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-09-28 11:44:53,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 11:44:53,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:53,811 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:44:54,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:54,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-09-28 11:44:54,097 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-09-28 11:44:54,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 11:44:54,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:54,221 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:44:54,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:54,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-09-28 11:44:54,438 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-09-28 11:44:54,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 11:44:54,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:54,549 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:44:54,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:54,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-09-28 11:44:54,960 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-09-28 11:44:54,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-28 11:44:54,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:55,074 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:44:55,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:55,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-09-28 11:44:55,984 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-09-28 11:44:55,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-28 11:44:55,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:56,051 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:44:56,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:56,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-09-28 11:44:56,983 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-09-28 11:44:56,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-28 11:44:56,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:57,078 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:44:57,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:57,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-09-28 11:44:57,951 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-09-28 11:44:57,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-28 11:44:57,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:58,093 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:44:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-09-28 11:44:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-09-28 11:44:58,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-28 11:44:58,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:58,484 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:44:59,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-09-28 11:44:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-09-28 11:44:59,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-28 11:44:59,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:59,182 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:44:59,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:59,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-09-28 11:44:59,641 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-09-28 11:44:59,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-28 11:44:59,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:59,743 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:00,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:00,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-09-28 11:45:00,286 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-09-28 11:45:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 11:45:00,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:00,373 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:00,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:00,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-09-28 11:45:00,705 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-09-28 11:45:00,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 11:45:00,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:01,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-09-28 11:45:01,488 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-09-28 11:45:01,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-28 11:45:01,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:01,661 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:02,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:02,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-09-28 11:45:02,121 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-09-28 11:45:02,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-28 11:45:02,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:02,294 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:03,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:03,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-09-28 11:45:03,501 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-09-28 11:45:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-28 11:45:03,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:03,855 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:04,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:04,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-09-28 11:45:04,360 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-09-28 11:45:04,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-28 11:45:04,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:04,882 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:05,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-09-28 11:45:05,602 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-09-28 11:45:05,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-28 11:45:05,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:05,898 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:06,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:06,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-09-28 11:45:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-09-28 11:45:06,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-28 11:45:06,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:06,611 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:07,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-09-28 11:45:07,341 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-09-28 11:45:07,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-28 11:45:07,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:08,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-09-28 11:45:08,100 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-09-28 11:45:08,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-28 11:45:08,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:09,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:09,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-09-28 11:45:09,957 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-09-28 11:45:09,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-28 11:45:09,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:10,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:10,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-09-28 11:45:10,878 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-09-28 11:45:10,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-28 11:45:10,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:11,282 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:11,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:11,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-09-28 11:45:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-09-28 11:45:11,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-28 11:45:11,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:12,045 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:12,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:12,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 61 states and 62 transitions. [2018-09-28 11:45:12,854 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2018-09-28 11:45:12,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-28 11:45:12,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:13,002 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:13,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 63 states and 64 transitions. [2018-09-28 11:45:13,654 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-09-28 11:45:13,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-28 11:45:13,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:13,796 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:14,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:14,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 65 states and 66 transitions. [2018-09-28 11:45:14,783 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-09-28 11:45:14,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-28 11:45:14,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:14,947 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:15,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:15,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 67 states and 68 transitions. [2018-09-28 11:45:15,674 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-09-28 11:45:15,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-28 11:45:15,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:16,028 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:17,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:17,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 69 states and 70 transitions. [2018-09-28 11:45:17,153 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-09-28 11:45:17,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-28 11:45:17,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:18,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:18,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 71 states and 72 transitions. [2018-09-28 11:45:18,568 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-09-28 11:45:18,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-28 11:45:18,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:19,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:19,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 73 states and 74 transitions. [2018-09-28 11:45:19,696 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2018-09-28 11:45:19,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-28 11:45:19,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:21,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:21,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 75 states and 76 transitions. [2018-09-28 11:45:21,202 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2018-09-28 11:45:21,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-28 11:45:21,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:22,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:22,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 77 states and 78 transitions. [2018-09-28 11:45:22,252 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2018-09-28 11:45:22,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-28 11:45:22,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:22,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:23,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:23,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 79 states and 80 transitions. [2018-09-28 11:45:23,245 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2018-09-28 11:45:23,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-28 11:45:23,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:23,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:24,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:24,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 81 states and 82 transitions. [2018-09-28 11:45:24,437 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2018-09-28 11:45:24,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-28 11:45:24,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:24,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:25,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:25,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 83 states and 84 transitions. [2018-09-28 11:45:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2018-09-28 11:45:25,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-28 11:45:25,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:25,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:26,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:26,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 85 states and 86 transitions. [2018-09-28 11:45:26,838 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2018-09-28 11:45:26,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-28 11:45:26,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:28,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 87 states and 88 transitions. [2018-09-28 11:45:28,104 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2018-09-28 11:45:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-28 11:45:28,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:28,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:29,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:29,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 89 states and 90 transitions. [2018-09-28 11:45:29,266 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2018-09-28 11:45:29,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-28 11:45:29,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:30,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:30,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 91 states and 92 transitions. [2018-09-28 11:45:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 92 transitions. [2018-09-28 11:45:30,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-28 11:45:30,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:30,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:31,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 93 states and 94 transitions. [2018-09-28 11:45:31,956 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2018-09-28 11:45:31,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-28 11:45:31,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:32,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:33,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:33,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 95 states and 96 transitions. [2018-09-28 11:45:33,314 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2018-09-28 11:45:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-28 11:45:33,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:33,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 97 states and 98 transitions. [2018-09-28 11:45:34,938 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2018-09-28 11:45:34,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-28 11:45:34,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:35,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:37,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:37,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 99 states and 100 transitions. [2018-09-28 11:45:37,019 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 100 transitions. [2018-09-28 11:45:37,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-28 11:45:37,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:37,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:42,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:42,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 101 states and 102 transitions. [2018-09-28 11:45:42,506 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 102 transitions. [2018-09-28 11:45:42,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-28 11:45:42,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:43,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:44,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 103 states and 104 transitions. [2018-09-28 11:45:44,891 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 104 transitions. [2018-09-28 11:45:44,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-28 11:45:44,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:45,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:46,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:46,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 105 states and 106 transitions. [2018-09-28 11:45:46,477 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 106 transitions. [2018-09-28 11:45:46,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-28 11:45:46,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:46,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:48,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:48,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 107 states and 108 transitions. [2018-09-28 11:45:48,015 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 108 transitions. [2018-09-28 11:45:48,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-28 11:45:48,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:48,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:49,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:49,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 109 states and 110 transitions. [2018-09-28 11:45:49,592 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 110 transitions. [2018-09-28 11:45:49,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-28 11:45:49,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:49,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:51,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:51,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 111 states and 112 transitions. [2018-09-28 11:45:51,402 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 112 transitions. [2018-09-28 11:45:51,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-28 11:45:51,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:51,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:53,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:53,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 113 states and 114 transitions. [2018-09-28 11:45:53,190 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2018-09-28 11:45:53,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-28 11:45:53,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:53,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:54,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:54,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 115 states and 116 transitions. [2018-09-28 11:45:54,854 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2018-09-28 11:45:54,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-28 11:45:54,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:56,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:56,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 117 states and 118 transitions. [2018-09-28 11:45:56,807 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 118 transitions. [2018-09-28 11:45:56,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-28 11:45:56,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:56,993 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:45:58,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:45:58,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 119 states and 120 transitions. [2018-09-28 11:45:58,577 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 120 transitions. [2018-09-28 11:45:58,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-28 11:45:58,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:45:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:45:58,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:00,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:00,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 121 states and 122 transitions. [2018-09-28 11:46:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2018-09-28 11:46:00,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-28 11:46:00,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:00,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:02,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:02,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 123 states and 124 transitions. [2018-09-28 11:46:02,424 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2018-09-28 11:46:02,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-28 11:46:02,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:02,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:04,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 125 states and 126 transitions. [2018-09-28 11:46:04,317 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 126 transitions. [2018-09-28 11:46:04,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-28 11:46:04,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:04,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:06,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 127 states and 128 transitions. [2018-09-28 11:46:06,516 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 128 transitions. [2018-09-28 11:46:06,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-28 11:46:06,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:06,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:08,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 129 states and 130 transitions. [2018-09-28 11:46:08,564 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 130 transitions. [2018-09-28 11:46:08,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-28 11:46:08,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:08,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:10,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:10,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 131 states and 132 transitions. [2018-09-28 11:46:10,763 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 132 transitions. [2018-09-28 11:46:10,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-28 11:46:10,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:10,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:12,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:12,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 133 states and 134 transitions. [2018-09-28 11:46:12,901 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 134 transitions. [2018-09-28 11:46:12,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-28 11:46:12,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:13,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:15,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 135 states and 136 transitions. [2018-09-28 11:46:15,089 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 136 transitions. [2018-09-28 11:46:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-28 11:46:15,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:15,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:17,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:17,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 137 states and 138 transitions. [2018-09-28 11:46:17,865 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 138 transitions. [2018-09-28 11:46:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-28 11:46:17,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:18,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:20,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:20,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 139 states and 140 transitions. [2018-09-28 11:46:20,248 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 140 transitions. [2018-09-28 11:46:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-28 11:46:20,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:23,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:23,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 141 states and 142 transitions. [2018-09-28 11:46:23,010 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 142 transitions. [2018-09-28 11:46:23,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-28 11:46:23,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:25,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:25,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 143 states and 144 transitions. [2018-09-28 11:46:25,475 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 144 transitions. [2018-09-28 11:46:25,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-09-28 11:46:25,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:25,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:28,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:28,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 145 states and 146 transitions. [2018-09-28 11:46:28,241 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 146 transitions. [2018-09-28 11:46:28,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-28 11:46:28,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:28,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:30,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:30,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 147 states and 148 transitions. [2018-09-28 11:46:30,870 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 148 transitions. [2018-09-28 11:46:30,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-09-28 11:46:30,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:31,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:33,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:33,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 149 states and 150 transitions. [2018-09-28 11:46:33,655 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 150 transitions. [2018-09-28 11:46:33,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-09-28 11:46:33,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:33,953 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:36,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 151 states and 152 transitions. [2018-09-28 11:46:36,456 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 152 transitions. [2018-09-28 11:46:36,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-09-28 11:46:36,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:36,765 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:39,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:39,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 153 states and 154 transitions. [2018-09-28 11:46:39,392 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 154 transitions. [2018-09-28 11:46:39,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-09-28 11:46:39,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:39,868 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 155 states and 156 transitions. [2018-09-28 11:46:42,560 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 156 transitions. [2018-09-28 11:46:42,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-09-28 11:46:42,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:42,825 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:45,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:45,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 157 states and 158 transitions. [2018-09-28 11:46:45,577 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 158 transitions. [2018-09-28 11:46:45,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-09-28 11:46:45,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:45,842 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:48,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:48,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 159 states and 160 transitions. [2018-09-28 11:46:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 160 transitions. [2018-09-28 11:46:48,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-09-28 11:46:48,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:49,071 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:51,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:51,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 161 states and 162 transitions. [2018-09-28 11:46:51,971 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 162 transitions. [2018-09-28 11:46:51,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-09-28 11:46:51,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:52,277 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:55,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:55,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 163 states and 164 transitions. [2018-09-28 11:46:55,266 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 164 transitions. [2018-09-28 11:46:55,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-09-28 11:46:55,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:55,567 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:46:58,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:46:58,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 165 states and 166 transitions. [2018-09-28 11:46:58,753 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 166 transitions. [2018-09-28 11:46:58,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-09-28 11:46:58,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:46:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:46:59,055 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:47:02,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:47:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 167 states and 168 transitions. [2018-09-28 11:47:02,159 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 168 transitions. [2018-09-28 11:47:02,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-09-28 11:47:02,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:47:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:47:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:47:05,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:47:05,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 169 states and 170 transitions. [2018-09-28 11:47:05,836 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 170 transitions. [2018-09-28 11:47:05,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-09-28 11:47:05,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:47:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:47:06,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:47:09,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:47:09,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 171 states and 172 transitions. [2018-09-28 11:47:09,658 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 172 transitions. [2018-09-28 11:47:09,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-09-28 11:47:09,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:47:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:47:09,977 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:47:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:47:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 173 states and 174 transitions. [2018-09-28 11:47:13,306 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 174 transitions. [2018-09-28 11:47:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-09-28 11:47:13,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:47:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:47:13,637 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:47:17,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:47:17,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 175 states and 176 transitions. [2018-09-28 11:47:17,024 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 176 transitions. [2018-09-28 11:47:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-09-28 11:47:17,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:47:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:47:17,372 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:47:20,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:47:20,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 177 states and 178 transitions. [2018-09-28 11:47:20,809 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 178 transitions. [2018-09-28 11:47:20,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-09-28 11:47:20,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:47:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:47:21,131 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:47:24,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:47:24,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 179 states and 180 transitions. [2018-09-28 11:47:24,897 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 180 transitions. [2018-09-28 11:47:24,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-09-28 11:47:24,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:47:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:47:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:47:28,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:47:28,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 181 states and 182 transitions. [2018-09-28 11:47:28,889 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 182 transitions. [2018-09-28 11:47:28,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-09-28 11:47:28,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:47:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:47:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:47:32,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:47:32,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 183 states and 184 transitions. [2018-09-28 11:47:32,928 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 184 transitions. [2018-09-28 11:47:32,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-09-28 11:47:32,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:47:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:47:33,265 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:47:37,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:47:37,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 185 states and 186 transitions. [2018-09-28 11:47:37,126 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 186 transitions. [2018-09-28 11:47:37,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-09-28 11:47:37,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:47:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:47:37,487 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:47:41,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:47:41,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 187 states and 188 transitions. [2018-09-28 11:47:41,498 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 188 transitions. [2018-09-28 11:47:41,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-09-28 11:47:41,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:47:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:47:41,859 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:47:46,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:47:46,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 189 states and 190 transitions. [2018-09-28 11:47:46,010 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 190 transitions. [2018-09-28 11:47:46,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-09-28 11:47:46,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:47:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:47:46,396 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:47:50,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:47:50,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 191 states and 192 transitions. [2018-09-28 11:47:50,653 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 192 transitions. [2018-09-28 11:47:50,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-09-28 11:47:50,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:47:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:47:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:47:55,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:47:55,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 193 states and 194 transitions. [2018-09-28 11:47:55,374 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 194 transitions. [2018-09-28 11:47:55,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-09-28 11:47:55,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:47:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:47:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:48:00,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:48:00,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 195 states and 196 transitions. [2018-09-28 11:48:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 196 transitions. [2018-09-28 11:48:00,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-09-28 11:48:00,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:48:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:48:00,457 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:48:04,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:48:04,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 197 states and 198 transitions. [2018-09-28 11:48:04,854 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 198 transitions. [2018-09-28 11:48:04,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-09-28 11:48:04,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:48:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:48:05,242 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:48:09,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:48:09,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 199 states and 200 transitions. [2018-09-28 11:48:09,880 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 200 transitions. [2018-09-28 11:48:09,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-09-28 11:48:09,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:48:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:48:10,290 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:48:14,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:48:14,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 201 states and 202 transitions. [2018-09-28 11:48:14,993 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 202 transitions. [2018-09-28 11:48:14,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-09-28 11:48:14,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:48:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:48:15,404 INFO L134 CoverageAnalysis]: Checked inductivity of 9702 backedges. 0 proven. 9702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:48:20,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:48:20,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 203 states and 204 transitions. [2018-09-28 11:48:20,150 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 204 transitions. [2018-09-28 11:48:20,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-09-28 11:48:20,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:48:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:48:20,578 INFO L134 CoverageAnalysis]: Checked inductivity of 9900 backedges. 0 proven. 9900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:48:25,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:48:25,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 205 states and 206 transitions. [2018-09-28 11:48:25,398 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 206 transitions. [2018-09-28 11:48:25,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-09-28 11:48:25,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:48:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-28 11:49:07,122 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-09-28 11:49:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:49:07,284 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-28 11:49:07,296 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-28 11:49:07,297 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-28 11:49:07,299 INFO L168 Benchmark]: Toolchain (without parser) took 256915.21 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -453.5 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 432.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:49:07,301 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:49:07,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.69 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:49:07,302 INFO L168 Benchmark]: Boogie Preprocessor took 23.78 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:49:07,302 INFO L168 Benchmark]: RCFGBuilder took 363.01 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-28 11:49:07,303 INFO L168 Benchmark]: CodeCheck took 256479.15 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -453.5 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 410.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:49:07,307 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 TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 2 xjuncts. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.69 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.78 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 363.01 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 256479.15 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -453.5 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 410.8 MB). There was no memory consumed. 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/string_concat-noarr.i_3.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-28_11-49-07-318.csv Completed graceful shutdown