java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:24:59,111 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:24:59,113 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:24:59,126 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:24:59,126 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:24:59,127 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:24:59,129 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:24:59,131 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:24:59,132 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:24:59,133 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:24:59,134 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:24:59,134 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:24:59,135 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:24:59,136 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:24:59,137 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:24:59,138 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:24:59,139 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:24:59,141 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:24:59,144 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:24:59,145 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:24:59,146 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:24:59,148 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:24:59,150 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:24:59,150 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:24:59,151 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:24:59,152 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:24:59,153 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:24:59,154 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:24:59,154 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:24:59,159 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:24:59,159 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:24:59,161 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:24:59,161 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:24:59,163 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:24:59,164 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:24:59,166 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:24:59,167 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-04 13:24:59,195 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:24:59,195 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:24:59,198 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:24:59,198 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:24:59,200 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:24:59,200 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:24:59,200 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:24:59,200 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:24:59,200 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:24:59,201 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:24:59,201 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:24:59,201 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:24:59,201 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:24:59,201 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:24:59,202 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:24:59,202 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:24:59,202 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:24:59,203 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:24:59,203 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:24:59,203 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:24:59,203 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:24:59,203 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:24:59,204 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:24:59,204 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:24:59,204 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:24:59,204 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:24:59,204 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:24:59,205 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:24:59,206 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:24:59,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:24:59,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:24:59,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:24:59,293 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:24:59,294 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:24:59,294 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl [2018-10-04 13:24:59,295 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl' [2018-10-04 13:24:59,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:24:59,352 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:24:59,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:24:59,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:24:59,353 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:24:59,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:24:59" (1/1) ... [2018-10-04 13:24:59,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:24:59" (1/1) ... [2018-10-04 13:24:59,394 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 13:24:59,395 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 13:24:59,395 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 13:24:59,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:24:59,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:24:59,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:24:59,399 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:24:59,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:24:59" (1/1) ... [2018-10-04 13:24:59,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:24:59" (1/1) ... [2018-10-04 13:24:59,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:24:59" (1/1) ... [2018-10-04 13:24:59,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:24:59" (1/1) ... [2018-10-04 13:24:59,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:24:59" (1/1) ... [2018-10-04 13:24:59,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:24:59" (1/1) ... [2018-10-04 13:24:59,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:24:59" (1/1) ... [2018-10-04 13:24:59,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:24:59,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:24:59,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:24:59,425 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:24:59,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:24:59" (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 13:24:59,501 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-04 13:24:59,501 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-04 13:24:59,501 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-04 13:24:59,723 INFO L338 CfgBuilder]: Using library mode [2018-10-04 13:24:59,724 INFO L202 PluginConnector]: Adding new model BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:24:59 BoogieIcfgContainer [2018-10-04 13:24:59,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:24:59,725 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:24:59,725 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:24:59,735 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:24:59,735 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:24:59" (1/1) ... [2018-10-04 13:24:59,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:24:59,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:59,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-04 13:24:59,790 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-04 13:24:59,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 13:24:59,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:59,954 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 13:25:00,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:00,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-04 13:25:00,109 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-04 13:25:00,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:25:00,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:00,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:00,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:00,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-10-04 13:25:00,306 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-10-04 13:25:00,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 13:25:00,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:00,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:00,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:00,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-10-04 13:25:00,577 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-10-04 13:25:00,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:25:00,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:00,733 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 13:25:00,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:00,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-04 13:25:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-04 13:25:00,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:25:00,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:01,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:01,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-10-04 13:25:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-10-04 13:25:01,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:25:01,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-04 13:25:01,378 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-04 13:25:01,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 13:25:01,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:01,558 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:01,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:01,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-10-04 13:25:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-10-04 13:25:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:25:01,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:02,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:02,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-10-04 13:25:02,199 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-10-04 13:25:02,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:25:02,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:02,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:02,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-10-04 13:25:02,386 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-10-04 13:25:02,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:25:02,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:02,481 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:02,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:02,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-10-04 13:25:02,657 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-10-04 13:25:02,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:25:02,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:02,798 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:02,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:02,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2018-10-04 13:25:02,920 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-10-04 13:25:02,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:25:02,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:03,078 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:03,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:03,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-10-04 13:25:03,209 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-10-04 13:25:03,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:25:03,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:03,346 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:03,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:03,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2018-10-04 13:25:03,447 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-10-04 13:25:03,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:25:03,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:03,571 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:03,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:03,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-10-04 13:25:03,683 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-10-04 13:25:03,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:25:03,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:03,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:03,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2018-10-04 13:25:03,918 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-10-04 13:25:03,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:25:03,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:04,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:04,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-10-04 13:25:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-10-04 13:25:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:25:04,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:04,600 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:04,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:04,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2018-10-04 13:25:04,757 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-10-04 13:25:04,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:25:04,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:04,965 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:05,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:05,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-10-04 13:25:05,272 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-10-04 13:25:05,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 13:25:05,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:05,511 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:05,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:05,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2018-10-04 13:25:05,635 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-10-04 13:25:05,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:25:05,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:05,898 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:06,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-10-04 13:25:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-10-04 13:25:06,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 13:25:06,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:06,372 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 13:25:06,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:06,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2018-10-04 13:25:06,609 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-10-04 13:25:06,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:25:06,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:07,179 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:07,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-10-04 13:25:07,688 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-10-04 13:25:07,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 13:25:07,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:08,727 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:09,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:09,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2018-10-04 13:25:09,562 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-10-04 13:25:09,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:25:09,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:10,028 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:10,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:10,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-10-04 13:25:10,267 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-10-04 13:25:10,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 13:25:10,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:10,443 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:10,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:10,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2018-10-04 13:25:10,738 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-10-04 13:25:10,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:25:10,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:11,026 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:11,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:11,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-10-04 13:25:11,175 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-10-04 13:25:11,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 13:25:11,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:11,324 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:11,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2018-10-04 13:25:11,582 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-10-04 13:25:11,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:25:11,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:11,707 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:11,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:11,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-10-04 13:25:11,842 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-10-04 13:25:11,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 13:25:11,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:12,982 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:13,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:13,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2018-10-04 13:25:13,111 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-10-04 13:25:13,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:25:13,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:13,321 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:13,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:13,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-10-04 13:25:13,446 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-10-04 13:25:13,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 13:25:13,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:13,604 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:13,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:13,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 38 states and 39 transitions. [2018-10-04 13:25:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-10-04 13:25:13,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:25:13,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:13,955 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:14,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:14,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-10-04 13:25:14,122 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-10-04 13:25:14,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 13:25:14,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:14,290 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 40 states and 41 transitions. [2018-10-04 13:25:14,500 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2018-10-04 13:25:14,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:25:14,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:15,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:15,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-10-04 13:25:15,368 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-10-04 13:25:15,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 13:25:15,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:16,541 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:16,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:16,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 42 states and 43 transitions. [2018-10-04 13:25:16,721 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-10-04 13:25:16,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:25:16,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:17,373 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:17,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:17,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-10-04 13:25:17,566 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-10-04 13:25:17,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 13:25:17,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:17,842 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:18,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:18,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 44 states and 45 transitions. [2018-10-04 13:25:18,067 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-10-04 13:25:18,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:25:18,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:18,366 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:18,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:18,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-10-04 13:25:18,568 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-10-04 13:25:18,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 13:25:18,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:18,780 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:18,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:18,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2018-10-04 13:25:18,950 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-10-04 13:25:18,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:25:18,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:19,100 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:19,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:19,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-10-04 13:25:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-10-04 13:25:19,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 13:25:19,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:19,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:19,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2018-10-04 13:25:19,708 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-10-04 13:25:19,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:25:19,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:20,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:20,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-10-04 13:25:20,503 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-10-04 13:25:20,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 13:25:20,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:20,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:20,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 50 states and 51 transitions. [2018-10-04 13:25:20,952 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-10-04 13:25:20,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:25:20,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:21,230 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:21,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-10-04 13:25:21,408 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-10-04 13:25:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 13:25:21,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:21,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:21,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2018-10-04 13:25:21,843 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-10-04 13:25:21,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:25:21,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:22,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:22,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:22,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-10-04 13:25:22,335 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-10-04 13:25:22,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 13:25:22,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:23,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:23,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:23,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 54 states and 55 transitions. [2018-10-04 13:25:23,540 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2018-10-04 13:25:23,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:25:23,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:23,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:23,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:23,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-10-04 13:25:23,928 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-10-04 13:25:23,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 13:25:23,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:24,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 56 states and 57 transitions. [2018-10-04 13:25:24,525 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2018-10-04 13:25:24,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:25:24,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:25,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:25,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-10-04 13:25:25,432 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-10-04 13:25:25,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 13:25:25,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:25,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:25,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:25,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 58 states and 59 transitions. [2018-10-04 13:25:25,965 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 59 transitions. [2018-10-04 13:25:25,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 13:25:25,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:26,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:26,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:26,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-10-04 13:25:26,522 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-10-04 13:25:26,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 13:25:26,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:29,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:29,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:29,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-10-04 13:25:29,904 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-10-04 13:25:29,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 13:25:29,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:33,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:33,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:33,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-10-04 13:25:33,330 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-10-04 13:25:33,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 13:25:33,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:37,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:37,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:37,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-10-04 13:25:37,264 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-10-04 13:25:37,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 13:25:37,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-10-04 13:25:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-10-04 13:25:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 13:25:40,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:42,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:43,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:43,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-10-04 13:25:43,249 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-10-04 13:25:43,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 13:25:43,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:46,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:46,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:46,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-10-04 13:25:46,396 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-10-04 13:25:46,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-04 13:25:46,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:49,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:49,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:49,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-10-04 13:25:49,398 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-10-04 13:25:49,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 13:25:49,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:52,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:52,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:52,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-10-04 13:25:52,882 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-10-04 13:25:52,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 13:25:52,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:56,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:56,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-10-04 13:25:56,295 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-10-04 13:25:56,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 13:25:56,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:25:59,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:25:59,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:25:59,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-10-04 13:25:59,635 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-10-04 13:25:59,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 13:25:59,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:25:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:03,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:03,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:03,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-10-04 13:26:03,450 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-10-04 13:26:03,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 13:26:03,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:07,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:07,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:07,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-10-04 13:26:07,339 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-10-04 13:26:07,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-04 13:26:07,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:11,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:12,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-10-04 13:26:12,025 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-10-04 13:26:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 13:26:12,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:15,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:16,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:16,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-10-04 13:26:16,036 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-10-04 13:26:16,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 13:26:16,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:20,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:27,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:27,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2018-10-04 13:26:27,609 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2018-10-04 13:26:27,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 13:26:27,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:33,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:33,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:33,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-10-04 13:26:33,618 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-10-04 13:26:33,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 13:26:33,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:37,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:37,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:37,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-10-04 13:26:37,810 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-10-04 13:26:37,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 13:26:37,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:41,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:41,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-10-04 13:26:41,820 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-10-04 13:26:41,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-04 13:26:41,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:45,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:46,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:46,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-10-04 13:26:46,263 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-10-04 13:26:46,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 13:26:46,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:50,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:50,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:50,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-10-04 13:26:50,763 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-10-04 13:26:50,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 13:26:50,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:26:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:26:55,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:26:55,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-10-04 13:26:55,563 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-10-04 13:26:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 13:26:55,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:26:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:00,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:00,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:00,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-10-04 13:27:00,310 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-10-04 13:27:00,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 13:27:00,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:04,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:05,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:05,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-10-04 13:27:05,359 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-10-04 13:27:05,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 13:27:05,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:10,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:10,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:10,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-10-04 13:27:10,421 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-10-04 13:27:10,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-04 13:27:10,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:15,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:15,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:15,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-10-04 13:27:15,483 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-10-04 13:27:15,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 13:27:15,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:20,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:20,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:20,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-10-04 13:27:20,617 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-10-04 13:27:20,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 13:27:20,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:25,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:25,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:25,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2018-10-04 13:27:25,889 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2018-10-04 13:27:25,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 13:27:25,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:31,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:31,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:31,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-10-04 13:27:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-10-04 13:27:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 13:27:31,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:36,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:37,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:37,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-10-04 13:27:37,019 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-10-04 13:27:37,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 13:27:37,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:42,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:42,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-10-04 13:27:42,943 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-10-04 13:27:42,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 13:27:42,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:42,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:48,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:49,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:49,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-10-04 13:27:49,072 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-10-04 13:27:49,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 13:27:49,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:54,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:55,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:55,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-10-04 13:27:55,165 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-10-04 13:27:55,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 13:27:55,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:00,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:01,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-10-04 13:28:01,316 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-10-04 13:28:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 13:28:01,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:07,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-10-04 13:28:07,605 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-10-04 13:28:07,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 13:28:07,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:13,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:14,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:14,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-10-04 13:28:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-10-04 13:28:14,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 13:28:14,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:20,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:20,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:20,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-10-04 13:28:20,789 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-10-04 13:28:20,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-04 13:28:20,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:27,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:27,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-10-04 13:28:27,404 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-10-04 13:28:27,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 13:28:27,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:33,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:34,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:34,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-10-04 13:28:34,167 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-10-04 13:28:34,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-04 13:28:34,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:41,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:41,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-10-04 13:28:41,602 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-10-04 13:28:41,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 13:28:41,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:48,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:48,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:48,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-10-04 13:28:48,653 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-10-04 13:28:48,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-04 13:28:48,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-04 13:28:52,669 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-10-04 13:28:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:52,759 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:28:52,779 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-04 13:28:52,779 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 13:28:52,781 INFO L168 Benchmark]: Toolchain (without parser) took 233430.60 ms. Allocated memory was 1.6 GB in the beginning and 1.4 GB in the end (delta: -109.6 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 122.3 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2018-10-04 13:28:52,783 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:28:52,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.44 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:28:52,784 INFO L168 Benchmark]: Boogie Preprocessor took 26.20 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:28:52,785 INFO L168 Benchmark]: RCFGBuilder took 299.53 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 13:28:52,786 INFO L168 Benchmark]: CodeCheck took 233055.51 ms. Allocated memory was 1.6 GB in the beginning and 1.4 GB in the end (delta: -109.6 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 101.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:28:52,790 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 372 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.44 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.20 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 299.53 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 233055.51 ms. Allocated memory was 1.6 GB in the beginning and 1.4 GB in the end (delta: -109.6 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 101.2 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/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_13-28-52-802.csv Completed graceful shutdown