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/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalCake.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 11:50:49,291 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 11:50:49,294 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 11:50:49,309 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 11:50:49,310 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 11:50:49,311 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 11:50:49,312 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 11:50:49,314 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 11:50:49,316 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 11:50:49,317 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 11:50:49,318 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 11:50:49,318 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 11:50:49,319 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 11:50:49,320 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 11:50:49,322 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 11:50:49,322 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 11:50:49,323 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 11:50:49,325 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 11:50:49,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 11:50:49,329 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 11:50:49,330 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 11:50:49,331 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 11:50:49,334 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 11:50:49,334 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 11:50:49,334 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 11:50:49,335 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 11:50:49,336 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 11:50:49,337 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 11:50:49,338 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 11:50:49,339 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 11:50:49,339 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 11:50:49,340 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 11:50:49,340 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 11:50:49,340 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 11:50:49,342 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 11:50:49,342 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 11:50:49,343 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-28 11:50:49,358 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 11:50:49,358 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 11:50:49,359 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 11:50:49,359 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 11:50:49,360 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 11:50:49,360 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 11:50:49,360 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 11:50:49,361 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 11:50:49,361 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 11:50:49,361 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 11:50:49,361 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 11:50:49,361 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 11:50:49,362 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 11:50:49,362 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 11:50:49,362 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 11:50:49,362 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 11:50:49,362 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 11:50:49,363 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 11:50:49,363 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 11:50:49,363 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-28 11:50:49,363 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 11:50:49,363 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 11:50:49,363 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:50:49,364 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 11:50:49,364 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 11:50:49,364 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 11:50:49,364 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 11:50:49,364 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 11:50:49,365 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 11:50:49,365 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 11:50:49,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 11:50:49,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 11:50:49,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 11:50:49,427 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 11:50:49,428 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 11:50:49,429 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalCake.bpl [2018-09-28 11:50:49,429 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalCake.bpl' [2018-09-28 11:50:49,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 11:50:49,477 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 11:50:49,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 11:50:49,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 11:50:49,479 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 11:50:49,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:50:49" (1/1) ... [2018-09-28 11:50:49,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:50:49" (1/1) ... [2018-09-28 11:50:49,516 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-28 11:50:49,517 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-28 11:50:49,517 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-28 11:50:49,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 11:50:49,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 11:50:49,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 11:50:49,521 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 11:50:49,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:50:49" (1/1) ... [2018-09-28 11:50:49,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:50:49" (1/1) ... [2018-09-28 11:50:49,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:50:49" (1/1) ... [2018-09-28 11:50:49,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:50:49" (1/1) ... [2018-09-28 11:50:49,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:50:49" (1/1) ... [2018-09-28 11:50:49,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:50:49" (1/1) ... [2018-09-28 11:50:49,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:50:49" (1/1) ... [2018-09-28 11:50:49,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 11:50:49,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 11:50:49,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 11:50:49,543 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 11:50:49,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:50:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:50:49,622 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-28 11:50:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-28 11:50:49,622 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-28 11:50:49,845 INFO L350 CfgBuilder]: Using library mode [2018-09-28 11:50:49,846 INFO L202 PluginConnector]: Adding new model GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:50:49 BoogieIcfgContainer [2018-09-28 11:50:49,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 11:50:49,847 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 11:50:49,847 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 11:50:49,859 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 11:50:49,859 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "GeometricalCake.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:50:49" (1/1) ... [2018-09-28 11:50:49,877 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 11:50:49,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:50:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-09-28 11:50:49,912 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-09-28 11:50:49,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-28 11:50:49,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:50:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:50:50,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:50:50,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:50:50,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 5 states and 8 transitions. [2018-09-28 11:50:50,411 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 8 transitions. [2018-09-28 11:50:50,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-28 11:50:50,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:50:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:50:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:50:51,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:50:51,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 7 states and 16 transitions. [2018-09-28 11:50:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 16 transitions. [2018-09-28 11:50:51,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 11:50:51,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:50:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:50:51,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:50:53,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:50:53,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 10 states and 29 transitions. [2018-09-28 11:50:53,043 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 29 transitions. [2018-09-28 11:50:53,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 11:50:53,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:50:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:50:53,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:50:54,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:50:54,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 11 states and 30 transitions. [2018-09-28 11:50:54,056 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 30 transitions. [2018-09-28 11:50:54,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 11:50:54,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:50:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:50:54,454 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:50:56,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:50:56,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 15 states and 49 transitions. [2018-09-28 11:50:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 49 transitions. [2018-09-28 11:50:56,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 11:50:56,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:50:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:50:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:50:57,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:50:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 16 states and 50 transitions. [2018-09-28 11:50:57,653 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 50 transitions. [2018-09-28 11:50:57,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 11:50:57,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:50:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:50:57,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:50:58,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:50:58,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 18 states and 54 transitions. [2018-09-28 11:50:58,672 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 54 transitions. [2018-09-28 11:50:58,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 11:50:58,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:50:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:50:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:50:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:50:59,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 19 states and 55 transitions. [2018-09-28 11:50:59,126 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 55 transitions. [2018-09-28 11:50:59,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:50:59,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:50:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:50:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:01,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:01,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 24 states and 80 transitions. [2018-09-28 11:51:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 80 transitions. [2018-09-28 11:51:01,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:51:01,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:02,009 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:04,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:04,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 27 states and 88 transitions. [2018-09-28 11:51:04,086 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 88 transitions. [2018-09-28 11:51:04,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:51:04,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:04,140 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:05,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:05,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 28 states and 89 transitions. [2018-09-28 11:51:05,347 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 89 transitions. [2018-09-28 11:51:05,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:51:05,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:05,409 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:05,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:05,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 29 states and 91 transitions. [2018-09-28 11:51:05,960 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 91 transitions. [2018-09-28 11:51:05,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:51:05,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:06,018 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:07,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:07,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 30 states and 92 transitions. [2018-09-28 11:51:07,052 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 92 transitions. [2018-09-28 11:51:07,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:51:07,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:07,092 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:08,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:08,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 32 states and 96 transitions. [2018-09-28 11:51:08,187 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 96 transitions. [2018-09-28 11:51:08,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:51:08,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:08,249 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:08,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 33 states and 97 transitions. [2018-09-28 11:51:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 97 transitions. [2018-09-28 11:51:08,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:51:08,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:09,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 34 states and 98 transitions. [2018-09-28 11:51:09,692 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 98 transitions. [2018-09-28 11:51:09,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:51:09,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:15,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:15,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 40 states and 132 transitions. [2018-09-28 11:51:15,542 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 132 transitions. [2018-09-28 11:51:15,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:51:15,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:15,592 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:20,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:20,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 44 states and 142 transitions. [2018-09-28 11:51:20,038 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 142 transitions. [2018-09-28 11:51:20,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:51:20,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:20,077 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:21,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:21,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 45 states and 144 transitions. [2018-09-28 11:51:21,447 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 144 transitions. [2018-09-28 11:51:21,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:51:21,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:23,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:23,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 47 states and 147 transitions. [2018-09-28 11:51:23,623 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 147 transitions. [2018-09-28 11:51:23,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:51:23,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:26,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 49 states and 150 transitions. [2018-09-28 11:51:26,023 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 150 transitions. [2018-09-28 11:51:26,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:51:26,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:26,098 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:27,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:27,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 50 states and 151 transitions. [2018-09-28 11:51:27,455 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 151 transitions. [2018-09-28 11:51:27,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:51:27,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:27,501 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:31,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:31,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 53 states and 158 transitions. [2018-09-28 11:51:31,460 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 158 transitions. [2018-09-28 11:51:31,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:51:31,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:31,501 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:34,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:34,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 55 states and 162 transitions. [2018-09-28 11:51:34,632 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 162 transitions. [2018-09-28 11:51:34,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:51:34,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:34,868 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:36,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:36,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 56 states and 163 transitions. [2018-09-28 11:51:36,601 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 163 transitions. [2018-09-28 11:51:36,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:51:36,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:36,679 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:38,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:38,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 57 states and 164 transitions. [2018-09-28 11:51:38,763 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 164 transitions. [2018-09-28 11:51:38,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:51:38,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:38,797 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:40,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 58 states and 165 transitions. [2018-09-28 11:51:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 165 transitions. [2018-09-28 11:51:40,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:51:40,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:40,941 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:43,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:43,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 59 states and 167 transitions. [2018-09-28 11:51:43,039 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 167 transitions. [2018-09-28 11:51:43,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:51:43,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:43,091 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:51:45,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:51:45,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 60 states and 168 transitions. [2018-09-28 11:51:45,202 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 168 transitions. [2018-09-28 11:51:45,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:51:45,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:51:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:51:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:52:03,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:52:03,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 66 states and 201 transitions. [2018-09-28 11:52:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 201 transitions. [2018-09-28 11:52:03,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:52:03,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:52:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:52:03,295 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:52:18,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:52:18,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 71 states and 217 transitions. [2018-09-28 11:52:18,308 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 217 transitions. [2018-09-28 11:52:18,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:52:18,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:52:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:52:18,479 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:52:22,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:52:22,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 72 states and 218 transitions. [2018-09-28 11:52:22,353 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 218 transitions. [2018-09-28 11:52:22,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:52:22,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:52:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:52:22,444 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:52:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:52:37,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 76 states and 226 transitions. [2018-09-28 11:52:37,921 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 226 transitions. [2018-09-28 11:52:37,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:52:37,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:52:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:52:37,973 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:52:51,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:52:51,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 79 states and 233 transitions. [2018-09-28 11:52:51,704 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 233 transitions. [2018-09-28 11:52:51,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:52:51,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:52:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:52:51,749 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:53:01,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:53:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 81 states and 236 transitions. [2018-09-28 11:53:01,280 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 236 transitions. [2018-09-28 11:53:01,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:53:01,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:53:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:53:01,316 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:53:07,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:53:07,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 82 states and 237 transitions. [2018-09-28 11:53:07,167 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 237 transitions. [2018-09-28 11:53:07,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:53:07,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:53:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:53:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:53:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:53:12,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 83 states and 238 transitions. [2018-09-28 11:53:12,925 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 238 transitions. [2018-09-28 11:53:12,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:53:12,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:53:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:53:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:53:35,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:53:35,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 87 states and 250 transitions. [2018-09-28 11:53:35,457 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 250 transitions. [2018-09-28 11:53:35,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:53:35,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:53:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:53:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:53:42,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:53:42,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 252 transitions. [2018-09-28 11:53:42,296 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 252 transitions. [2018-09-28 11:53:42,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:53:42,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:53:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:53:42,342 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:53:55,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:53:55,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 90 states and 255 transitions. [2018-09-28 11:53:55,610 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 255 transitions. [2018-09-28 11:53:55,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:53:55,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:53:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:53:55,871 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:54:17,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:54:17,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 93 states and 263 transitions. [2018-09-28 11:54:17,457 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 263 transitions. [2018-09-28 11:54:17,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:54:17,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:54:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:54:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:54:33,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:54:33,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 95 states and 267 transitions. [2018-09-28 11:54:33,059 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 267 transitions. [2018-09-28 11:54:33,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:54:33,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:54:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:54:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:54:41,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:54:41,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 96 states and 269 transitions. [2018-09-28 11:54:41,547 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 269 transitions. [2018-09-28 11:54:41,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:54:41,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:54:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:54:41,577 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:54:50,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:54:50,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 97 states and 270 transitions. [2018-09-28 11:54:50,279 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 270 transitions. [2018-09-28 11:54:50,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:54:50,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:54:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:54:50,315 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:54:59,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:54:59,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 98 states and 271 transitions. [2018-09-28 11:54:59,225 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 271 transitions. [2018-09-28 11:54:59,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:54:59,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:54:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:54:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:55:08,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:55:08,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 99 states and 272 transitions. [2018-09-28 11:55:08,393 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 272 transitions. [2018-09-28 11:55:08,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:55:08,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:55:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:55:08,420 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:55:17,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:55:17,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 100 states and 273 transitions. [2018-09-28 11:55:17,802 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 273 transitions. [2018-09-28 11:55:17,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:55:17,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:55:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:55:17,879 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown