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/nested.c_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:48:10,357 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:48:10,359 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:48:10,370 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:48:10,371 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:48:10,372 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:48:10,373 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:48:10,375 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:48:10,376 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:48:10,377 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:48:10,378 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:48:10,378 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:48:10,379 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:48:10,380 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:48:10,383 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:48:10,384 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:48:10,384 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:48:10,386 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:48:10,388 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:48:10,390 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:48:10,391 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:48:10,392 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:48:10,395 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:48:10,395 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:48:10,396 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:48:10,397 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:48:10,398 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:48:10,398 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:48:10,399 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:48:10,404 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:48:10,405 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:48:10,405 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:48:10,405 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:48:10,406 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:48:10,407 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:48:10,408 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:48:10,408 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 [2018-10-04 13:48:10,433 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:48:10,434 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:48:10,434 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:48:10,435 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:48:10,435 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:48:10,435 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:48:10,436 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:48:10,437 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:48:10,437 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:48:10,437 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:48:10,437 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:48:10,438 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:48:10,438 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:48:10,438 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:48:10,438 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:48:10,438 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:48:10,438 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:48:10,440 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:48:10,440 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:48:10,440 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 13:48:10,440 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:48:10,441 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:48:10,441 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:48:10,441 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:48:10,441 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:48:10,441 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:48:10,442 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:48:10,442 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:48:10,442 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:48:10,442 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:48:10,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:48:10,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:48:10,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:48:10,510 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:48:10,511 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:48:10,511 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.c_4.bpl [2018-10-04 13:48:10,512 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested.c_4.bpl' [2018-10-04 13:48:10,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:48:10,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:48:10,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:48:10,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:48:10,578 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:48:10,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:48:10" (1/1) ... [2018-10-04 13:48:10,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:48:10" (1/1) ... [2018-10-04 13:48:10,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:48:10,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:48:10,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:48:10,621 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:48:10,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:48:10" (1/1) ... [2018-10-04 13:48:10,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:48:10" (1/1) ... [2018-10-04 13:48:10,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:48:10" (1/1) ... [2018-10-04 13:48:10,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:48:10" (1/1) ... [2018-10-04 13:48:10,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:48:10" (1/1) ... [2018-10-04 13:48:10,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:48:10" (1/1) ... [2018-10-04 13:48:10,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:48:10" (1/1) ... [2018-10-04 13:48:10,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:48:10,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:48:10,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:48:10,649 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:48:10,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:48:10" (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 [2018-10-04 13:48:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 13:48:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 13:48:10,996 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 13:48:10,997 INFO L202 PluginConnector]: Adding new model nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:48:10 BoogieIcfgContainer [2018-10-04 13:48:10,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:48:10,998 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:48:10,998 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:48:11,010 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:48:11,011 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:48:10" (1/1) ... [2018-10-04 13:48:11,024 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 13:48:11,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:11,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-04 13:48:11,060 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-04 13:48:11,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:48:11,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:11,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:11,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-04 13:48:11,511 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-04 13:48:11,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:48:11,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:12,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:12,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-10-04 13:48:12,370 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-10-04 13:48:12,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:48:12,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:13,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:13,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-04 13:48:13,140 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-04 13:48:13,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:48:13,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:13,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:13,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:13,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-04 13:48:13,695 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-04 13:48:13,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:48:13,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:13,773 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:14,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-10-04 13:48:14,239 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-10-04 13:48:14,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:48:14,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:14,342 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:15,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:15,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-10-04 13:48:15,312 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-10-04 13:48:15,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:48:15,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:15,396 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:16,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:16,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-10-04 13:48:16,160 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-10-04 13:48:16,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:48:16,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:16,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:16,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-10-04 13:48:16,602 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-10-04 13:48:16,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:48:16,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:17,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:17,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-10-04 13:48:17,053 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-10-04 13:48:17,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:48:17,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:17,150 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-10-04 13:48:17,635 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-10-04 13:48:17,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:48:17,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:17,724 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:18,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:18,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-10-04 13:48:18,202 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-10-04 13:48:18,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:48:18,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:18,349 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:18,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:18,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-10-04 13:48:18,852 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-10-04 13:48:18,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:48:18,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:18,996 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:19,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:19,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-10-04 13:48:19,510 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-10-04 13:48:19,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:48:19,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:19,639 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:20,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-10-04 13:48:20,104 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-10-04 13:48:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:48:20,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:20,245 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:20,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:20,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-10-04 13:48:20,757 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-10-04 13:48:20,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:48:20,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:21,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:21,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-10-04 13:48:21,446 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-10-04 13:48:21,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:48:21,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:21,626 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:22,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:22,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-10-04 13:48:22,367 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-10-04 13:48:22,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:48:22,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:22,594 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:23,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:23,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-10-04 13:48:23,423 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-10-04 13:48:23,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:48:23,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:24,103 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:25,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-10-04 13:48:25,076 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-10-04 13:48:25,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:48:25,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:25,378 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:26,420 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 25 new depth: 23 [2018-10-04 13:48:26,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:26,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-10-04 13:48:26,521 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-10-04 13:48:26,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:48:26,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:26,782 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:27,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:27,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-10-04 13:48:27,430 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-10-04 13:48:27,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:48:27,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:27,865 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:28,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:28,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-10-04 13:48:28,584 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-10-04 13:48:28,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:48:28,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:28,740 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:29,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:29,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-10-04 13:48:29,602 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-10-04 13:48:29,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:48:29,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:30,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:30,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-10-04 13:48:30,718 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-10-04 13:48:30,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:48:30,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:31,013 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:31,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:31,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-10-04 13:48:31,875 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-10-04 13:48:31,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 13:48:31,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:32,085 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:32,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:32,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-10-04 13:48:32,996 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-10-04 13:48:32,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 13:48:32,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:33,350 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:34,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:34,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-10-04 13:48:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-10-04 13:48:34,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 13:48:34,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:35,062 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:37,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:37,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 61 states and 62 transitions. [2018-10-04 13:48:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2018-10-04 13:48:37,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 13:48:37,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:37,660 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:38,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:38,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 63 states and 64 transitions. [2018-10-04 13:48:38,820 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-10-04 13:48:38,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 13:48:38,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:38,965 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:39,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:39,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 65 states and 66 transitions. [2018-10-04 13:48:39,891 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-10-04 13:48:39,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 13:48:39,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:40,068 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:41,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:41,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 67 states and 68 transitions. [2018-10-04 13:48:41,929 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-10-04 13:48:41,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 13:48:41,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:42,731 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:43,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:43,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 69 states and 70 transitions. [2018-10-04 13:48:43,952 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-10-04 13:48:43,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 13:48:43,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 71 states and 72 transitions. [2018-10-04 13:48:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-10-04 13:48:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 13:48:45,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:45,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:46,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:46,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 73 states and 74 transitions. [2018-10-04 13:48:46,779 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2018-10-04 13:48:46,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 13:48:46,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:47,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:48,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:48,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 75 states and 76 transitions. [2018-10-04 13:48:48,340 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2018-10-04 13:48:48,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 13:48:48,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:48,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:49,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 77 states and 78 transitions. [2018-10-04 13:48:49,886 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2018-10-04 13:48:49,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 13:48:49,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:50,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:51,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:51,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 79 states and 80 transitions. [2018-10-04 13:48:51,444 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2018-10-04 13:48:51,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 13:48:51,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:51,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:53,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:53,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 81 states and 82 transitions. [2018-10-04 13:48:53,045 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2018-10-04 13:48:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 13:48:53,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:53,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:55,388 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 43 new depth: 41 [2018-10-04 13:48:55,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:55,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 83 states and 84 transitions. [2018-10-04 13:48:55,713 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2018-10-04 13:48:55,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 13:48:55,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:56,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:57,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:57,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 85 states and 86 transitions. [2018-10-04 13:48:57,818 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2018-10-04 13:48:57,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 13:48:57,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:58,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:59,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 87 states and 88 transitions. [2018-10-04 13:48:59,817 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2018-10-04 13:48:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 13:48:59,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:01,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:01,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 89 states and 90 transitions. [2018-10-04 13:49:01,789 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2018-10-04 13:49:01,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 13:49:01,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:02,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:03,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:03,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 91 states and 92 transitions. [2018-10-04 13:49:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 92 transitions. [2018-10-04 13:49:03,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 13:49:03,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:05,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:05,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 93 states and 94 transitions. [2018-10-04 13:49:05,705 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2018-10-04 13:49:05,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 13:49:05,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:06,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:08,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:08,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 95 states and 96 transitions. [2018-10-04 13:49:08,026 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2018-10-04 13:49:08,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 13:49:08,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:08,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:10,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:10,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 97 states and 98 transitions. [2018-10-04 13:49:10,530 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2018-10-04 13:49:10,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 13:49:10,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:10,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:12,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 99 states and 100 transitions. [2018-10-04 13:49:12,946 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 100 transitions. [2018-10-04 13:49:12,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 13:49:12,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:19,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:19,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 101 states and 102 transitions. [2018-10-04 13:49:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 102 transitions. [2018-10-04 13:49:19,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 13:49:19,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:20,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:22,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:22,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 103 states and 104 transitions. [2018-10-04 13:49:22,977 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 104 transitions. [2018-10-04 13:49:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 13:49:22,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:23,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:25,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:25,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 105 states and 106 transitions. [2018-10-04 13:49:25,890 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 106 transitions. [2018-10-04 13:49:25,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-04 13:49:25,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:26,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:28,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:28,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 107 states and 108 transitions. [2018-10-04 13:49:28,444 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 108 transitions. [2018-10-04 13:49:28,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-04 13:49:28,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:28,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:31,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:31,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 109 states and 110 transitions. [2018-10-04 13:49:31,254 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 110 transitions. [2018-10-04 13:49:31,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-04 13:49:31,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:31,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:33,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:33,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 111 states and 112 transitions. [2018-10-04 13:49:33,985 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 112 transitions. [2018-10-04 13:49:33,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-04 13:49:33,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:34,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:36,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 113 states and 114 transitions. [2018-10-04 13:49:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2018-10-04 13:49:36,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-04 13:49:36,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:37,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:39,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:39,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 115 states and 116 transitions. [2018-10-04 13:49:39,917 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2018-10-04 13:49:39,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-04 13:49:39,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:40,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:42,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:42,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 117 states and 118 transitions. [2018-10-04 13:49:42,928 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 118 transitions. [2018-10-04 13:49:42,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-04 13:49:42,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:43,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:46,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 119 states and 120 transitions. [2018-10-04 13:49:46,103 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 120 transitions. [2018-10-04 13:49:46,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-04 13:49:46,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:46,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:49,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:49,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 121 states and 122 transitions. [2018-10-04 13:49:49,212 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2018-10-04 13:49:49,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-04 13:49:49,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:49,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 123 states and 124 transitions. [2018-10-04 13:49:52,572 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 124 transitions. [2018-10-04 13:49:52,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-04 13:49:52,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:52,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:56,633 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 63 new depth: 63 [2018-10-04 13:49:57,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:57,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 125 states and 126 transitions. [2018-10-04 13:49:57,125 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 126 transitions. [2018-10-04 13:49:57,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-04 13:49:57,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:57,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:00,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:00,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 127 states and 128 transitions. [2018-10-04 13:50:00,528 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 128 transitions. [2018-10-04 13:50:00,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-04 13:50:00,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:03,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:03,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 129 states and 130 transitions. [2018-10-04 13:50:03,977 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 130 transitions. [2018-10-04 13:50:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-04 13:50:03,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:04,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:07,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:07,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 131 states and 132 transitions. [2018-10-04 13:50:07,626 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 132 transitions. [2018-10-04 13:50:07,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-04 13:50:07,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:07,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:11,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:11,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 133 states and 134 transitions. [2018-10-04 13:50:11,367 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 134 transitions. [2018-10-04 13:50:11,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-04 13:50:11,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:15,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:15,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 135 states and 136 transitions. [2018-10-04 13:50:15,680 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 136 transitions. [2018-10-04 13:50:15,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-04 13:50:15,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:15,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:19,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:19,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 137 states and 138 transitions. [2018-10-04 13:50:19,680 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 138 transitions. [2018-10-04 13:50:19,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-04 13:50:19,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:19,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:23,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:23,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 139 states and 140 transitions. [2018-10-04 13:50:23,950 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 140 transitions. [2018-10-04 13:50:23,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-04 13:50:23,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:24,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:28,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:28,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 141 states and 142 transitions. [2018-10-04 13:50:28,321 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 142 transitions. [2018-10-04 13:50:28,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-04 13:50:28,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:28,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:32,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:32,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 143 states and 144 transitions. [2018-10-04 13:50:32,792 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 144 transitions. [2018-10-04 13:50:32,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-04 13:50:32,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:33,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:37,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:37,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 145 states and 146 transitions. [2018-10-04 13:50:37,383 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 146 transitions. [2018-10-04 13:50:37,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-04 13:50:37,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:37,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:41,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:41,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 147 states and 148 transitions. [2018-10-04 13:50:41,996 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 148 transitions. [2018-10-04 13:50:41,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-04 13:50:41,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:42,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:46,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 149 states and 150 transitions. [2018-10-04 13:50:46,927 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 150 transitions. [2018-10-04 13:50:46,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-04 13:50:46,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:47,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:51,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:51,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 151 states and 152 transitions. [2018-10-04 13:50:51,919 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 152 transitions. [2018-10-04 13:50:51,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-04 13:50:51,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:57,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 153 states and 154 transitions. [2018-10-04 13:50:57,052 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 154 transitions. [2018-10-04 13:50:57,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-04 13:50:57,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:57,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:51:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:51:02,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 155 states and 156 transitions. [2018-10-04 13:51:02,290 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 156 transitions. [2018-10-04 13:51:02,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-04 13:51:02,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:51:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:51:02,617 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:51:07,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:51:07,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 157 states and 158 transitions. [2018-10-04 13:51:07,699 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 158 transitions. [2018-10-04 13:51:07,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-04 13:51:07,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:51:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:51:08,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:51:13,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:51:13,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 159 states and 160 transitions. [2018-10-04 13:51:13,128 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 160 transitions. [2018-10-04 13:51:13,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-04 13:51:13,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:51:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:51:13,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:51:18,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:51:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 161 states and 162 transitions. [2018-10-04 13:51:18,730 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 162 transitions. [2018-10-04 13:51:18,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-04 13:51:18,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:51:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:51:19,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:51:24,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:51:24,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 163 states and 164 transitions. [2018-10-04 13:51:24,514 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 164 transitions. [2018-10-04 13:51:24,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-04 13:51:24,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:51:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:51:24,898 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:51:30,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:51:30,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 165 states and 166 transitions. [2018-10-04 13:51:30,524 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 166 transitions. [2018-10-04 13:51:30,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-04 13:51:30,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:51:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:51:30,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:51:37,046 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 84 new depth: 84 [2018-10-04 13:51:37,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:51:37,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 167 states and 168 transitions. [2018-10-04 13:51:37,875 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 168 transitions. [2018-10-04 13:51:37,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-04 13:51:37,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:51:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:51:38,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:51:44,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:51:44,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 169 states and 170 transitions. [2018-10-04 13:51:44,002 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 170 transitions. [2018-10-04 13:51:44,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-04 13:51:44,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:51:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:51:44,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:51:50,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:51:50,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 171 states and 172 transitions. [2018-10-04 13:51:50,289 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 172 transitions. [2018-10-04 13:51:50,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-10-04 13:51:50,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:51:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:51:50,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:51:56,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:51:56,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 173 states and 174 transitions. [2018-10-04 13:51:56,749 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 174 transitions. [2018-10-04 13:51:56,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-04 13:51:56,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:51:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:51:57,189 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:52:03,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:52:03,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 175 states and 176 transitions. [2018-10-04 13:52:03,420 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 176 transitions. [2018-10-04 13:52:03,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-04 13:52:03,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:52:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:52:03,833 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:52:10,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:52:10,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 177 states and 178 transitions. [2018-10-04 13:52:10,080 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 178 transitions. [2018-10-04 13:52:10,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-04 13:52:10,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:52:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:52:10,551 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:52:16,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:52:16,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 179 states and 180 transitions. [2018-10-04 13:52:16,939 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 180 transitions. [2018-10-04 13:52:16,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-04 13:52:16,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:52:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:52:17,350 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:52:24,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:52:24,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 181 states and 182 transitions. [2018-10-04 13:52:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 182 transitions. [2018-10-04 13:52:24,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-04 13:52:24,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:52:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:52:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-04 13:52:31,229 INFO L202 PluginConnector]: Adding new model nested.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 04.10 01:52:31 ImpRootNode [2018-10-04 13:52:31,229 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-04 13:52:31,230 INFO L168 Benchmark]: Toolchain (without parser) took 260654.29 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -174.6 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 163.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:52:31,232 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. [2018-10-04 13:52:31,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.62 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. [2018-10-04 13:52:31,233 INFO L168 Benchmark]: Boogie Preprocessor took 26.72 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. [2018-10-04 13:52:31,234 INFO L168 Benchmark]: RCFGBuilder took 349.38 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. [2018-10-04 13:52:31,235 INFO L168 Benchmark]: CodeCheck took 260231.55 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -174.6 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 141.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:52:31,239 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 63]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 63) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. UNKNOWN Result, 260.1s OverallTime, 89 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -4 SDslu, -8 SDs, 0 SdLazy, -14 SolverSat, -6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 102.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61182 GetRequests, 52816 SyntacticMatches, 7830 SemanticMatches, 536 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 249.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 26.8s InterpolantComputationTime, 8188 NumberOfCodeBlocks, 8188 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 8099 ConstructedInterpolants, 0 QuantifiedInterpolants, 2899709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 89 InterpolantComputations, 1 PerfectInterpolantSequences, 0/234960 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - GenericResult: Unable to decide if program is safe! Unable to decide if program is safe! * 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 42.62 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 26.72 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 349.38 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 260231.55 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -174.6 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 141.8 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/nested.c_4.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-04_13-52-31-251.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested.c_4.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_13-52-31-251.csv Completed graceful shutdown