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/phases1.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:59:09,124 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:59:09,126 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:59:09,139 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:59:09,140 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:59:09,141 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:59:09,142 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:59:09,144 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:59:09,146 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:59:09,147 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:59:09,148 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:59:09,148 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:59:09,149 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:59:09,150 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:59:09,152 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:59:09,152 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:59:09,153 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:59:09,155 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:59:09,158 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:59:09,159 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:59:09,161 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:59:09,162 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:59:09,165 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:59:09,165 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:59:09,165 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:59:09,166 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:59:09,168 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:59:09,168 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:59:09,169 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:59:09,170 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:59:09,171 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:59:09,172 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:59:09,172 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:59:09,172 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:59:09,174 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:59:09,174 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:59:09,175 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 [2018-09-26 22:59:09,192 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:59:09,192 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:59:09,193 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:59:09,194 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:59:09,194 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:59:09,195 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:59:09,195 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:59:09,195 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:59:09,195 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:59:09,196 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:59:09,196 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:59:09,196 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:59:09,196 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:59:09,196 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:59:09,197 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:59:09,197 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:59:09,197 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:59:09,197 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:59:09,197 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:59:09,198 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:59:09,198 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:59:09,198 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:59:09,198 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:59:09,199 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:59:09,199 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:59:09,199 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:59:09,199 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:59:09,199 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:59:09,200 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:59:09,200 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:59:09,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:59:09,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:59:09,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:59:09,281 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:59:09,282 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:59:09,283 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/phases1.i_3.bpl [2018-09-26 22:59:09,283 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/phases1.i_3.bpl' [2018-09-26 22:59:09,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:59:09,340 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:59:09,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:59:09,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:59:09,342 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:59:09,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:59:09,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:59:09,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:59:09,385 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:59:09,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:59:09,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:59:09,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:59:09,407 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:59:09,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:09" (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 [2018-09-26 22:59:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:59:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:59:09,744 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:59:09,745 INFO L202 PluginConnector]: Adding new model phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:59:09 BoogieIcfgContainer [2018-09-26 22:59:09,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:59:09,747 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:59:09,747 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:59:09,764 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:59:09,764 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,784 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:59:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:09,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-26 22:59:09,836 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-26 22:59:09,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:59:09,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:10,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:10,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:10,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 22:59:10,590 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 22:59:10,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:59:10,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:10,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:11,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:11,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-09-26 22:59:11,424 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-09-26 22:59:11,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:59:11,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:11,526 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:12,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:12,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-09-26 22:59:12,391 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-09-26 22:59:12,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:59:12,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:12,496 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:13,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:13,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-09-26 22:59:13,292 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-09-26 22:59:13,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:59:13,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:13,417 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:15,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:15,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-09-26 22:59:15,276 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-09-26 22:59:15,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:59:15,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:15,742 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:16,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-09-26 22:59:16,917 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-09-26 22:59:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:59:16,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:17,073 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:18,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:18,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-09-26 22:59:18,008 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-09-26 22:59:18,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:59:18,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:18,663 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:19,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:19,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-09-26 22:59:19,171 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-09-26 22:59:19,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:59:19,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:19,394 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:19,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:19,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-09-26 22:59:19,801 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-09-26 22:59:19,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:59:19,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:19,994 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:20,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:20,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-09-26 22:59:20,736 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-09-26 22:59:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:59:20,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:21,124 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:22,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:22,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-09-26 22:59:22,307 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-09-26 22:59:22,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:59:22,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:23,193 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:23,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:23,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-09-26 22:59:23,821 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-09-26 22:59:23,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:59:23,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:24,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:24,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-09-26 22:59:24,892 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-09-26 22:59:24,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:59:24,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:25,215 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:26,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:26,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-09-26 22:59:26,033 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-09-26 22:59:26,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:59:26,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:26,400 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:27,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:27,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-09-26 22:59:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-09-26 22:59:27,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:59:27,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:28,181 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:29,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:29,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-09-26 22:59:29,306 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-09-26 22:59:29,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:59:29,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:29,667 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:30,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:30,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-09-26 22:59:30,984 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-09-26 22:59:30,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:59:30,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:31,527 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:33,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:33,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-09-26 22:59:33,369 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-09-26 22:59:33,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:59:33,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:33,808 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:35,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:35,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-09-26 22:59:35,337 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-09-26 22:59:35,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:59:35,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:36,096 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:37,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-09-26 22:59:37,803 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-09-26 22:59:37,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:59:37,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:38,658 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:40,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:40,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-09-26 22:59:40,442 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-09-26 22:59:40,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:59:40,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:41,002 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:42,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:42,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-09-26 22:59:42,844 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-09-26 22:59:42,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:59:42,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:43,439 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-09-26 22:59:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-09-26 22:59:45,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:59:45,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:46,969 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:49,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:49,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-09-26 22:59:49,179 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-09-26 22:59:49,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:59:49,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:52,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:52,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-09-26 22:59:52,562 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-09-26 22:59:52,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:59:52,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:54,605 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-09-26 22:59:57,165 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-09-26 22:59:57,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:59:57,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:58,598 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:00:01,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:01,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-09-26 23:00:01,386 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-09-26 23:00:01,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 23:00:01,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:02,637 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:00:05,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:05,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-09-26 23:00:05,698 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-09-26 23:00:05,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 23:00:05,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:06,854 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:00:10,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:10,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-09-26 23:00:10,201 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-09-26 23:00:10,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-26 23:00:10,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:11,598 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:00:15,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:15,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-09-26 23:00:15,345 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-09-26 23:00:15,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-26 23:00:15,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:00:20,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:20,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-09-26 23:00:20,593 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-09-26 23:00:20,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-26 23:00:20,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:22,053 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:00:26,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-09-26 23:00:26,260 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-09-26 23:00:26,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-26 23:00:26,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:00:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:32,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-09-26 23:00:32,463 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-09-26 23:00:32,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 23:00:32,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:33,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:00:38,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:38,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-09-26 23:00:38,541 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-09-26 23:00:38,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-26 23:00:38,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:40,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:00:45,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:45,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-09-26 23:00:45,676 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-09-26 23:00:45,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-26 23:00:45,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:00:52,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:52,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-09-26 23:00:52,973 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-09-26 23:00:52,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-26 23:00:52,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:54,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:00,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:00,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-09-26 23:01:00,426 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-09-26 23:01:00,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-26 23:01:00,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:02,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:08,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:08,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-09-26 23:01:08,043 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-09-26 23:01:08,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 23:01:08,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:09,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:16,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:16,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-09-26 23:01:16,251 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-09-26 23:01:16,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-26 23:01:16,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:18,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:25,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-09-26 23:01:25,149 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-09-26 23:01:25,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-26 23:01:25,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:34,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:34,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-09-26 23:01:34,496 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-09-26 23:01:34,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-26 23:01:34,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:36,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:44,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-09-26 23:01:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-09-26 23:01:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-26 23:01:44,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:01:53,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:53,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-09-26 23:01:53,799 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-09-26 23:01:53,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 23:01:53,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:02:03,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:03,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-09-26 23:02:03,978 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-09-26 23:02:03,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-26 23:02:03,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:06,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:02:15,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:15,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-09-26 23:02:15,060 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-09-26 23:02:15,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-26 23:02:15,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:17,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:02:26,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-09-26 23:02:26,549 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-09-26 23:02:26,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-26 23:02:26,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:29,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:02:38,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:38,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-09-26 23:02:38,775 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-09-26 23:02:38,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-26 23:02:38,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:02:54,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:54,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-09-26 23:02:54,352 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-09-26 23:02:54,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-26 23:02:54,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:57,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:03:08,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:03:08,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-09-26 23:03:08,077 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-09-26 23:03:08,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-26 23:03:08,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:03:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:03:11,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:03:22,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:03:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-09-26 23:03:22,079 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-09-26 23:03:22,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-26 23:03:22,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:03:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:03:25,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown